[INFO] cloning repository https://github.com/kothru/variables [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kothru/variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkothru%2Fvariables", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkothru%2Fvariables'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fbe351ea50f221a047e81ae0d03921f8dff08abf [INFO] testing kothru/variables against master#2fe50cd72c476ebacdedb14893e9632b4de961c2 for pr-116088-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkothru%2Fvariables" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kothru/variables on toolchain 2fe50cd72c476ebacdedb14893e9632b4de961c2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kothru/variables [INFO] finished tweaking git repo https://github.com/kothru/variables [INFO] tweaked toml for git repo https://github.com/kothru/variables written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kothru/variables already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 395b40d6522264e9b2e0530fa86aa908d97fdcdf8a0e9e18b4692659530bd821 [INFO] running `Command { std: "docker" "start" "-a" "395b40d6522264e9b2e0530fa86aa908d97fdcdf8a0e9e18b4692659530bd821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "395b40d6522264e9b2e0530fa86aa908d97fdcdf8a0e9e18b4692659530bd821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "395b40d6522264e9b2e0530fa86aa908d97fdcdf8a0e9e18b4692659530bd821", kill_on_drop: false }` [INFO] [stdout] 395b40d6522264e9b2e0530fa86aa908d97fdcdf8a0e9e18b4692659530bd821 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f30b1654cab080b80b3d9cd88e5a0a4ce28f5d486b916e8bb590ab37d9b90072 [INFO] running `Command { std: "docker" "start" "-a" "f30b1654cab080b80b3d9cd88e5a0a4ce28f5d486b916e8bb590ab37d9b90072", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Read`, `hash::Hash` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | hash::Hash, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | io::{self, ErrorKind, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scoreval` [INFO] [stdout] --> src/lib.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/lib.rs:134:31 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/lib.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function` is never used [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_summarizable` is never used [INFO] [stdout] --> src/lib.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering` [INFO] [stdout] --> src/main.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{cmp::Ordering, io}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Result` [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | use std::fmt::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result as IoResult` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | use std::io::Result as IoResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let home = IpAddr::V4(String::from("127.0.0.1")); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn plus_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> src/main.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn takes_and_gives_back(a_string: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 163 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 164 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 165 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area` and `square` are never used [INFO] [stdout] --> src/main.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 168 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 169 | // alias of self: &Self (rectangle: &Rectangle) [INFO] [stdout] 170 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_to_waitlist` is never used [INFO] [stdout] --> src/main.rs:191:16 [INFO] [stdout] | [INFO] [stdout] 191 | pub fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eat_at_restaurant` is never used [INFO] [stdout] --> src/main.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn eat_at_restaurant() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.16s [INFO] running `Command { std: "docker" "inspect" "f30b1654cab080b80b3d9cd88e5a0a4ce28f5d486b916e8bb590ab37d9b90072", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f30b1654cab080b80b3d9cd88e5a0a4ce28f5d486b916e8bb590ab37d9b90072", kill_on_drop: false }` [INFO] [stdout] f30b1654cab080b80b3d9cd88e5a0a4ce28f5d486b916e8bb590ab37d9b90072 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4c32c1db533f4884599a505e3f374de9419a61efa32c5dbf8c166cd56fb9b45 [INFO] running `Command { std: "docker" "start" "-a" "a4c32c1db533f4884599a505e3f374de9419a61efa32c5dbf8c166cd56fb9b45", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `Read`, `hash::Hash` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | hash::Hash, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | io::{self, ErrorKind, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scoreval` [INFO] [stdout] --> src/lib.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/lib.rs:134:31 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/lib.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function` is never used [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_summarizable` is never used [INFO] [stdout] --> src/lib.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering` [INFO] [stdout] --> src/main.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{cmp::Ordering, io}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Result` [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | use std::fmt::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result as IoResult` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | use std::io::Result as IoResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let home = IpAddr::V4(String::from("127.0.0.1")); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn plus_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> src/main.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn takes_and_gives_back(a_string: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 163 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 164 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 165 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area` and `square` are never used [INFO] [stdout] --> src/main.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 168 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 169 | // alias of self: &Self (rectangle: &Rectangle) [INFO] [stdout] 170 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_to_waitlist` is never used [INFO] [stdout] --> src/main.rs:191:16 [INFO] [stdout] | [INFO] [stdout] 191 | pub fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eat_at_restaurant` is never used [INFO] [stdout] --> src/main.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn eat_at_restaurant() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `hash::Hash` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | hash::Hash, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | io::{self, ErrorKind, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scoreval` [INFO] [stdout] --> src/lib.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/lib.rs:134:31 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/lib.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function` is never used [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_summarizable` is never used [INFO] [stdout] --> src/lib.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "a4c32c1db533f4884599a505e3f374de9419a61efa32c5dbf8c166cd56fb9b45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4c32c1db533f4884599a505e3f374de9419a61efa32c5dbf8c166cd56fb9b45", kill_on_drop: false }` [INFO] [stdout] a4c32c1db533f4884599a505e3f374de9419a61efa32c5dbf8c166cd56fb9b45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fdb6792d85c1822164e1e61f449cd88d967065a63694f451603dfa1ad4b73cb2 [INFO] running `Command { std: "docker" "start" "-a" "fdb6792d85c1822164e1e61f449cd88d967065a63694f451603dfa1ad4b73cb2", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Read`, `hash::Hash` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | hash::Hash, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 6 | io::{self, ErrorKind, Read}, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let v: Vec = Vec::new(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scoreval` [INFO] [stderr] --> src/lib.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/lib.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/lib.rs:134:24 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/lib.rs:134:31 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: function `read_username_from_file` is never used [INFO] [stderr] --> src/lib.rs:118:4 [INFO] [stderr] | [INFO] [stderr] 118 | fn read_username_from_file() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `some_function` is never used [INFO] [stderr] --> src/lib.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `returns_summarizable` is never used [INFO] [stderr] --> src/lib.rs:163:4 [INFO] [stderr] | [INFO] [stderr] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `variables` (lib) generated 12 warnings (run `cargo fix --lib -p variables` to apply 9 suggestions) [INFO] [stderr] warning: `variables` (lib test) generated 12 warnings (12 duplicates) [INFO] [stderr] warning: unused import: `cmp::Ordering` [INFO] [stderr] --> src/main.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use std::{cmp::Ordering, io}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Result` [INFO] [stderr] --> src/main.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | use std::fmt::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result as IoResult` [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | use std::io::Result as IoResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/main.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 82 | let home = IpAddr::V4(String::from("127.0.0.1")); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loopback` [INFO] [stderr] --> src/main.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stderr] [INFO] [stderr] warning: function `plus_one` is never used [INFO] [stderr] --> src/main.rs:136:4 [INFO] [stderr] | [INFO] [stderr] 136 | fn plus_one(x: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `takes_and_gives_back` is never used [INFO] [stderr] --> src/main.rs:140:4 [INFO] [stderr] | [INFO] [stderr] 140 | fn takes_and_gives_back(a_string: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `width` and `height` are never read [INFO] [stderr] --> src/main.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 163 | struct Rectangle { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 164 | width: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 165 | height: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: associated items `area` and `square` are never used [INFO] [stderr] --> src/main.rs:170:8 [INFO] [stderr] | [INFO] [stderr] 168 | impl Rectangle { [INFO] [stderr] | -------------- associated items in this implementation [INFO] [stderr] 169 | // alias of self: &Self (rectangle: &Rectangle) [INFO] [stderr] 170 | fn area(&self) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 176 | fn square(size: u32) -> Rectangle { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `add_to_waitlist` is never used [INFO] [stderr] --> src/main.rs:191:16 [INFO] [stderr] | [INFO] [stderr] 191 | pub fn add_to_waitlist() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `eat_at_restaurant` is never used [INFO] [stderr] --> src/main.rs:198:12 [INFO] [stderr] | [INFO] [stderr] 198 | pub fn eat_at_restaurant() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `variables` (bin "variables" test) generated 12 warnings (run `cargo fix --bin "variables" --tests` to apply 6 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variables-fac01a0ae7e8ae66) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-b66a41d1ddd5bb19) [INFO] [stderr] Doc-tests variables [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fdb6792d85c1822164e1e61f449cd88d967065a63694f451603dfa1ad4b73cb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdb6792d85c1822164e1e61f449cd88d967065a63694f451603dfa1ad4b73cb2", kill_on_drop: false }` [INFO] [stdout] fdb6792d85c1822164e1e61f449cd88d967065a63694f451603dfa1ad4b73cb2 [INFO] testing kothru/variables against try#9c1665de5d324fe858dc15371578d6f928bfc123 for pr-116088-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkothru%2Fvariables" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kothru/variables on toolchain 9c1665de5d324fe858dc15371578d6f928bfc123 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kothru/variables [INFO] finished tweaking git repo https://github.com/kothru/variables [INFO] tweaked toml for git repo https://github.com/kothru/variables written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kothru/variables already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6c43fd8fd419955d1de33885fa935a4fc362b701154c491efc7e93cb2b6a3f0 [INFO] running `Command { std: "docker" "start" "-a" "a6c43fd8fd419955d1de33885fa935a4fc362b701154c491efc7e93cb2b6a3f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6c43fd8fd419955d1de33885fa935a4fc362b701154c491efc7e93cb2b6a3f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6c43fd8fd419955d1de33885fa935a4fc362b701154c491efc7e93cb2b6a3f0", kill_on_drop: false }` [INFO] [stdout] a6c43fd8fd419955d1de33885fa935a4fc362b701154c491efc7e93cb2b6a3f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e39b7c5345424d246a17d816e265e0c2610a4aa985a56dd7760e9f18676dd728 [INFO] running `Command { std: "docker" "start" "-a" "e39b7c5345424d246a17d816e265e0c2610a4aa985a56dd7760e9f18676dd728", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Read`, `hash::Hash` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | hash::Hash, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | io::{self, ErrorKind, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scoreval` [INFO] [stdout] --> src/lib.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/lib.rs:134:31 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/lib.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function` is never used [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_summarizable` is never used [INFO] [stdout] --> src/lib.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering` [INFO] [stdout] --> src/main.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{cmp::Ordering, io}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Result` [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | use std::fmt::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result as IoResult` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | use std::io::Result as IoResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let home = IpAddr::V4(String::from("127.0.0.1")); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn plus_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> src/main.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn takes_and_gives_back(a_string: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 163 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 164 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 165 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area` and `square` are never used [INFO] [stdout] --> src/main.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 168 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 169 | // alias of self: &Self (rectangle: &Rectangle) [INFO] [stdout] 170 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_to_waitlist` is never used [INFO] [stdout] --> src/main.rs:191:16 [INFO] [stdout] | [INFO] [stdout] 191 | pub fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eat_at_restaurant` is never used [INFO] [stdout] --> src/main.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn eat_at_restaurant() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.22s [INFO] running `Command { std: "docker" "inspect" "e39b7c5345424d246a17d816e265e0c2610a4aa985a56dd7760e9f18676dd728", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e39b7c5345424d246a17d816e265e0c2610a4aa985a56dd7760e9f18676dd728", kill_on_drop: false }` [INFO] [stdout] e39b7c5345424d246a17d816e265e0c2610a4aa985a56dd7760e9f18676dd728 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5afc2faee186fc705dda9fa55db58ef005eccd1e505a40f1cc989391318f624f [INFO] running `Command { std: "docker" "start" "-a" "5afc2faee186fc705dda9fa55db58ef005eccd1e505a40f1cc989391318f624f", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `Read`, `hash::Hash` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | hash::Hash, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | io::{self, ErrorKind, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scoreval` [INFO] [stdout] --> src/lib.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/lib.rs:134:31 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/lib.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function` is never used [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_summarizable` is never used [INFO] [stdout] --> src/lib.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Read`, `hash::Hash` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | hash::Hash, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | io::{self, ErrorKind, Read}, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering` [INFO] [stdout] --> src/main.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{cmp::Ordering, io}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Result` [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | use std::fmt::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result as IoResult` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | use std::io::Result as IoResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `scoreval` [INFO] [stdout] --> src/lib.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:134:24 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let home = IpAddr::V4(String::from("127.0.0.1")); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/lib.rs:134:31 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/lib.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function` is never used [INFO] [stdout] --> src/lib.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `returns_summarizable` is never used [INFO] [stdout] --> src/lib.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/main.rs:136:4 [INFO] [stdout] | [INFO] [stdout] 136 | fn plus_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> src/main.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn takes_and_gives_back(a_string: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 163 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 164 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 165 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area` and `square` are never used [INFO] [stdout] --> src/main.rs:170:8 [INFO] [stdout] | [INFO] [stdout] 168 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 169 | // alias of self: &Self (rectangle: &Rectangle) [INFO] [stdout] 170 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 176 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_to_waitlist` is never used [INFO] [stdout] --> src/main.rs:191:16 [INFO] [stdout] | [INFO] [stdout] 191 | pub fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `eat_at_restaurant` is never used [INFO] [stdout] --> src/main.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn eat_at_restaurant() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "5afc2faee186fc705dda9fa55db58ef005eccd1e505a40f1cc989391318f624f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5afc2faee186fc705dda9fa55db58ef005eccd1e505a40f1cc989391318f624f", kill_on_drop: false }` [INFO] [stdout] 5afc2faee186fc705dda9fa55db58ef005eccd1e505a40f1cc989391318f624f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1276d4b0668643a20a5e6dfabff2e6ca2aeb8caaa671eee5b107d94530f6b638 [INFO] running `Command { std: "docker" "start" "-a" "1276d4b0668643a20a5e6dfabff2e6ca2aeb8caaa671eee5b107d94530f6b638", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Read`, `hash::Hash` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | hash::Hash, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 6 | io::{self, ErrorKind, Read}, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/lib.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let v: Vec = Vec::new(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `scoreval` [INFO] [stderr] --> src/lib.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let scoreval = score.get(&String::from("test")); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoreval` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/lib.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let val = score.entry(String::from("test2")).or_insert(10); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/lib.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/lib.rs:134:24 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/lib.rs:134:31 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: function `read_username_from_file` is never used [INFO] [stderr] --> src/lib.rs:118:4 [INFO] [stderr] | [INFO] [stderr] 118 | fn read_username_from_file() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `some_function` is never used [INFO] [stderr] --> src/lib.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `returns_summarizable` is never used [INFO] [stderr] --> src/lib.rs:163:4 [INFO] [stderr] | [INFO] [stderr] 163 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `variables` (lib) generated 12 warnings (run `cargo fix --lib -p variables` to apply 9 suggestions) [INFO] [stderr] warning: `variables` (lib test) generated 12 warnings (12 duplicates) [INFO] [stderr] warning: unused import: `cmp::Ordering` [INFO] [stderr] --> src/main.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use std::{cmp::Ordering, io}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Result` [INFO] [stderr] --> src/main.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | use std::fmt::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result as IoResult` [INFO] [stderr] --> src/main.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | use std::io::Result as IoResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/main.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 82 | let home = IpAddr::V4(String::from("127.0.0.1")); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loopback` [INFO] [stderr] --> src/main.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | let loopback = IpAddr::V6(String::from("::1")); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stderr] [INFO] [stderr] warning: function `plus_one` is never used [INFO] [stderr] --> src/main.rs:136:4 [INFO] [stderr] | [INFO] [stderr] 136 | fn plus_one(x: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `takes_and_gives_back` is never used [INFO] [stderr] --> src/main.rs:140:4 [INFO] [stderr] | [INFO] [stderr] 140 | fn takes_and_gives_back(a_string: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `width` and `height` are never read [INFO] [stderr] --> src/main.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 163 | struct Rectangle { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 164 | width: u32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 165 | height: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: associated items `area` and `square` are never used [INFO] [stderr] --> src/main.rs:170:8 [INFO] [stderr] | [INFO] [stderr] 168 | impl Rectangle { [INFO] [stderr] | -------------- associated items in this implementation [INFO] [stderr] 169 | // alias of self: &Self (rectangle: &Rectangle) [INFO] [stderr] 170 | fn area(&self) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 176 | fn square(size: u32) -> Rectangle { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `add_to_waitlist` is never used [INFO] [stderr] --> src/main.rs:191:16 [INFO] [stderr] | [INFO] [stderr] 191 | pub fn add_to_waitlist() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `eat_at_restaurant` is never used [INFO] [stderr] --> src/main.rs:198:12 [INFO] [stderr] | [INFO] [stderr] 198 | pub fn eat_at_restaurant() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `variables` (bin "variables" test) generated 12 warnings (run `cargo fix --bin "variables" --tests` to apply 6 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variables-fac01a0ae7e8ae66) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-b66a41d1ddd5bb19) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests variables [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1276d4b0668643a20a5e6dfabff2e6ca2aeb8caaa671eee5b107d94530f6b638", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1276d4b0668643a20a5e6dfabff2e6ca2aeb8caaa671eee5b107d94530f6b638", kill_on_drop: false }` [INFO] [stdout] 1276d4b0668643a20a5e6dfabff2e6ca2aeb8caaa671eee5b107d94530f6b638