[INFO] fetching crate s1_one 0.1.0... [INFO] testing s1_one-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate s1_one 0.1.0 into /workspace/builds/worker-118/source [INFO] validating manifest of crates.io crate s1_one 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate s1_one 0.1.0 [INFO] finished tweaking crates.io crate s1_one 0.1.0 [INFO] tweaked toml for crates.io crate s1_one 0.1.0 written to /workspace/builds/worker-118/source/Cargo.toml [INFO] crate crates.io crate s1_one 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8c44469654576bc56c0abd03e48a4dbaefc1ac5f4f290d330b1438d70a97937 [INFO] running `Command { std: "docker" "start" "-a" "d8c44469654576bc56c0abd03e48a4dbaefc1ac5f4f290d330b1438d70a97937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8c44469654576bc56c0abd03e48a4dbaefc1ac5f4f290d330b1438d70a97937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8c44469654576bc56c0abd03e48a4dbaefc1ac5f4f290d330b1438d70a97937", kill_on_drop: false }` [INFO] [stdout] d8c44469654576bc56c0abd03e48a4dbaefc1ac5f4f290d330b1438d70a97937 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7091f350fcb23612501b9b060f9e5e838d6f83b6c4b02e770385e34189311d20 [INFO] running `Command { std: "docker" "start" "-a" "7091f350fcb23612501b9b060f9e5e838d6f83b6c4b02e770385e34189311d20", kill_on_drop: false }` [INFO] [stderr] Compiling s1_one v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `collections::HashMap` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/one.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/one.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/one.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/one.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/one.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Mul` [INFO] [stdout] --> src/one.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::Mul; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/one.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/one.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/one.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dangle` [INFO] [stdout] --> src/one.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn dangle() -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Panda` [INFO] [stdout] --> src/one.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct Panda { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/one.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn new(height: f64, weight: f64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eat` [INFO] [stdout] --> src/one.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn eat() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `detail` [INFO] [stdout] --> src/one.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn detail(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> src/one.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/one.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Point(f64, f64, f64); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddressKind` [INFO] [stdout] --> src/one.rs:96:6 [INFO] [stdout] | [INFO] [stdout] 96 | enum IpAddressKind { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_add_type` [INFO] [stdout] --> src/one.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn get_add_type() -> IpAddressKind { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_v4` [INFO] [stdout] --> src/one.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn is_v4(kind: IpAddressKind) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/one.rs:229:4 [INFO] [stdout] | [INFO] [stdout] 229 | fn largest(list: &[T]) -> T [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Offset` [INFO] [stdout] --> src/one.rs:243:8 [INFO] [stdout] | [INFO] [stdout] 243 | struct Offset { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Option` [INFO] [stdout] --> src/one.rs:248:6 [INFO] [stdout] | [INFO] [stdout] 248 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest` [INFO] [stdout] --> src/one.rs:292:4 [INFO] [stdout] | [INFO] [stdout] 292 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ImportantExcerpt` [INFO] [stdout] --> src/one.rs:300:8 [INFO] [stdout] | [INFO] [stdout] 300 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `global_str` [INFO] [stdout] --> src/one.rs:304:4 [INFO] [stdout] | [INFO] [stdout] 304 | fn global_str() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [INFO] [stdout] --> src/one.rs:369:8 [INFO] [stdout] | [INFO] [stdout] 369 | struct Cacher i32> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/one.rs:376:12 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/one.rs:383:8 [INFO] [stdout] | [INFO] [stdout] 383 | fn value(&mut self, arg: i32) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/one.rs:418:8 [INFO] [stdout] | [INFO] [stdout] 418 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7091f350fcb23612501b9b060f9e5e838d6f83b6c4b02e770385e34189311d20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7091f350fcb23612501b9b060f9e5e838d6f83b6c4b02e770385e34189311d20", kill_on_drop: false }` [INFO] [stdout] 7091f350fcb23612501b9b060f9e5e838d6f83b6c4b02e770385e34189311d20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b996353aae1f63b54b9c41b819cf611da7e3a9f5fc5c9c1d11dee0efd832929f [INFO] running `Command { std: "docker" "start" "-a" "b996353aae1f63b54b9c41b819cf611da7e3a9f5fc5c9c1d11dee0efd832929f", kill_on_drop: false }` [INFO] [stderr] Compiling s1_one v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `collections::HashMap` [INFO] [stdout] --> src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/one.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/one.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/one.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | let row = vec![ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/one.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | let s2 = format!("{}, {}, {}", "1", "2", s1); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `update` [INFO] [stdout] --> src/one.rs:190:14 [INFO] [stdout] | [INFO] [stdout] 190 | let &mut update = map2.entry(&"lakers".to_string()).or_insert(&mut 1); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/one.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | let mut r = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/one.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let mut scores = vec![11, 10]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/one.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut r = match f { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dangle` [INFO] [stdout] --> src/one.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn dangle() -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Panda` [INFO] [stdout] --> src/one.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct Panda { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/one.rs:76:12 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn new(height: f64, weight: f64) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `eat` [INFO] [stdout] --> src/one.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn eat() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `detail` [INFO] [stdout] --> src/one.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn detail(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> src/one.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/one.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | struct Point(f64, f64, f64); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddressKind` [INFO] [stdout] --> src/one.rs:96:6 [INFO] [stdout] | [INFO] [stdout] 96 | enum IpAddressKind { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_add_type` [INFO] [stdout] --> src/one.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn get_add_type() -> IpAddressKind { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_v4` [INFO] [stdout] --> src/one.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn is_v4(kind: IpAddressKind) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Offset` [INFO] [stdout] --> src/one.rs:243:8 [INFO] [stdout] | [INFO] [stdout] 243 | struct Offset { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Option` [INFO] [stdout] --> src/one.rs:248:6 [INFO] [stdout] | [INFO] [stdout] 248 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest` [INFO] [stdout] --> src/one.rs:292:4 [INFO] [stdout] | [INFO] [stdout] 292 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ImportantExcerpt` [INFO] [stdout] --> src/one.rs:300:8 [INFO] [stdout] | [INFO] [stdout] 300 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `global_str` [INFO] [stdout] --> src/one.rs:304:4 [INFO] [stdout] | [INFO] [stdout] 304 | fn global_str() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.56s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/s1_one-1900a13bfb07f549) [INFO] running `Command { std: "docker" "inspect" "b996353aae1f63b54b9c41b819cf611da7e3a9f5fc5c9c1d11dee0efd832929f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b996353aae1f63b54b9c41b819cf611da7e3a9f5fc5c9c1d11dee0efd832929f", kill_on_drop: false }` [INFO] [stdout] b996353aae1f63b54b9c41b819cf611da7e3a9f5fc5c9c1d11dee0efd832929f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 69891a2ef1897112b598625cec474f9e514025eb1a8717c93d0c083300855466 [INFO] running `Command { std: "docker" "start" "-a" "69891a2ef1897112b598625cec474f9e514025eb1a8717c93d0c083300855466", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `collections::HashMap` [INFO] [stderr] --> src/main.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{collections::HashMap}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::BorrowMut` [INFO] [stderr] --> src/one.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::exit` [INFO] [stderr] --> src/one.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::process::exit; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/one.rs:134:9 [INFO] [stderr] | [INFO] [stderr] 134 | let row = vec![ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s2` [INFO] [stderr] --> src/one.rs:151:9 [INFO] [stderr] | [INFO] [stderr] 151 | let s2 = format!("{}, {}, {}", "1", "2", s1); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `update` [INFO] [stderr] --> src/one.rs:190:14 [INFO] [stderr] | [INFO] [stderr] 190 | let &mut update = map2.entry(&"lakers".to_string()).or_insert(&mut 1); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/one.rs:209:13 [INFO] [stderr] | [INFO] [stderr] 209 | let mut r = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/one.rs:182:9 [INFO] [stderr] | [INFO] [stderr] 182 | let mut scores = vec![11, 10]; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/one.rs:209:9 [INFO] [stderr] | [INFO] [stderr] 209 | let mut r = match f { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dangle` [INFO] [stderr] --> src/one.rs:45:4 [INFO] [stderr] | [INFO] [stderr] 45 | fn dangle() -> String { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Panda` [INFO] [stderr] --> src/one.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | struct Panda { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/one.rs:76:12 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn new(height: f64, weight: f64) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `eat` [INFO] [stderr] --> src/one.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn eat() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `detail` [INFO] [stderr] --> src/one.rs:84:12 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn detail(&self) -> String { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Color` [INFO] [stderr] --> src/one.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 91 | struct Color(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/one.rs:93:8 [INFO] [stderr] | [INFO] [stderr] 93 | struct Point(f64, f64, f64); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `IpAddressKind` [INFO] [stderr] --> src/one.rs:96:6 [INFO] [stderr] | [INFO] [stderr] 96 | enum IpAddressKind { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_add_type` [INFO] [stderr] --> src/one.rs:101:4 [INFO] [stderr] | [INFO] [stderr] 101 | fn get_add_type() -> IpAddressKind { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_v4` [INFO] [stderr] --> src/one.rs:105:4 [INFO] [stderr] | [INFO] [stderr] 105 | fn is_v4(kind: IpAddressKind) -> bool { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Offset` [INFO] [stderr] --> src/one.rs:243:8 [INFO] [stderr] | [INFO] [stderr] 243 | struct Offset { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Option` [INFO] [stderr] --> src/one.rs:248:6 [INFO] [stderr] | [INFO] [stderr] 248 | enum Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest` [INFO] [stderr] --> src/one.rs:292:4 [INFO] [stderr] | [INFO] [stderr] 292 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ImportantExcerpt` [INFO] [stderr] --> src/one.rs:300:8 [INFO] [stderr] | [INFO] [stderr] 300 | struct ImportantExcerpt<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `global_str` [INFO] [stderr] --> src/one.rs:304:4 [INFO] [stderr] | [INFO] [stderr] 304 | fn global_str() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `s1_one` (bin "s1_one" test) generated 24 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/s1_one-1900a13bfb07f549) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test one::closure_context ... ok [INFO] [stdout] test one::generic_sample ... ok [INFO] [stdout] test one::hash_map_sample ... ok [INFO] [stdout] test one::other_slice ... ok [INFO] [stdout] test one::test::expensive_test ... ignored [INFO] [stdout] test one::string_sample ... ok [INFO] [stdout] test one::test::exploration ... ok [INFO] [stdout] test one::test::it_works ... ok [INFO] [stdout] test one::using_other_iterator_trait_methods ... ok [INFO] [stdout] test one::vector_sample ... ok [INFO] [stdout] test one::error_handling ... FAILED [INFO] [stdout] test one::test::another - should panic ... ok [INFO] [stdout] test one::closures_sample ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- one::error_handling stdout ---- [INFO] [stdout] thread 'one::error_handling' panicked at 'No such file or directory (os error 2)', src/one.rs:211:19 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561d9c5e65cd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x561d9c5e65cd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561d9c5e65cd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x561d9c5e65cd - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x561d9c60923c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x561d9c5e2f91 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x561d9c5e8315 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x561d9c5e8315 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x561d9c5e8315 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x561d9c5e8004 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x561d9c5e8862 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x561d9c5e8747 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x561d9c5e6a84 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x561d9c5e8479 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x561d9c56d3e3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x561d9c5858b3 - core::panicking::panic_display::h72c33dbea07b9c8f [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:72:5 [INFO] [stdout] 16: 0x561d9c57a33f - s1_one::one::error_handling::h586e56bf6bdb33e6 [INFO] [stdout] at /opt/rustwide/workdir/src/one.rs:211:19 [INFO] [stdout] 17: 0x561d9c57a27e - s1_one::one::error_handling::{{closure}}::hd72f289923924d28 [INFO] [stdout] at /opt/rustwide/workdir/src/one.rs:205:1 [INFO] [stdout] 18: 0x561d9c57586e - core::ops::function::FnOnce::call_once::h22aac4526fd7a5ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x561d9c5c20a3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x561d9c5c20a3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 21: 0x561d9c5c0e59 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 22: 0x561d9c5c0e59 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 23: 0x561d9c5c0e59 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 24: 0x561d9c5c0e59 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 25: 0x561d9c5c0e59 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 26: 0x561d9c5c0e59 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 27: 0x561d9c5c0e59 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 28: 0x561d9c58d00e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 29: 0x561d9c58d00e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 30: 0x561d9c592578 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 31: 0x561d9c592578 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 32: 0x561d9c592578 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 33: 0x561d9c592578 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 34: 0x561d9c592578 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 35: 0x561d9c592578 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 36: 0x561d9c592578 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 37: 0x561d9c5ed073 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 38: 0x561d9c5ed073 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x561d9c5ed073 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 40: 0x7f49d65fa609 - start_thread [INFO] [stdout] 41: 0x7f49d63ca163 - clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] one::error_handling [INFO] [stdout] [INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.00s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin s1_one' [INFO] running `Command { std: "docker" "inspect" "69891a2ef1897112b598625cec474f9e514025eb1a8717c93d0c083300855466", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69891a2ef1897112b598625cec474f9e514025eb1a8717c93d0c083300855466", kill_on_drop: false }` [INFO] [stdout] 69891a2ef1897112b598625cec474f9e514025eb1a8717c93d0c083300855466