[INFO] cloning repository https://github.com/iamseki/studies [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamseki/studies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamseki%2Fstudies", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamseki%2Fstudies'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38993ceb5aafe466ad78c10ad94bc498622607ab [INFO] testing iamseki/studies against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamseki%2Fstudies" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/iamseki/studies [INFO] finished tweaking git repo https://github.com/iamseki/studies [INFO] tweaked toml for git repo https://github.com/iamseki/studies written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/iamseki/studies on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/iamseki/studies 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce1497a2331dc78032cd0508b43422afa3380f46c1be2e1a3839b9a8312481fc [INFO] running `Command { std: "docker" "start" "-a" "ce1497a2331dc78032cd0508b43422afa3380f46c1be2e1a3839b9a8312481fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce1497a2331dc78032cd0508b43422afa3380f46c1be2e1a3839b9a8312481fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce1497a2331dc78032cd0508b43422afa3380f46c1be2e1a3839b9a8312481fc", kill_on_drop: false }` [INFO] [stdout] ce1497a2331dc78032cd0508b43422afa3380f46c1be2e1a3839b9a8312481fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f455fa495dc9f1117c8a243d81330da5a1e94a49bd2bb337dbd5596ce2d2557 [INFO] running `Command { std: "docker" "start" "-a" "9f455fa495dc9f1117c8a243d81330da5a1e94a49bd2bb337dbd5596ce2d2557", kill_on_drop: false }` [INFO] [stderr] Compiling _rust_math v0.1.0 (/opt/rustwide/workdir/libs/rust/math) [INFO] [stderr] Compiling _rust_smart_pointers v0.1.0 (/opt/rustwide/workdir/apps/rust/smart_pointers) [INFO] [stderr] Compiling _rust_iterators_n_closures v0.1.0 (/opt/rustwide/workdir/apps/rust/iterators_n_closures) [INFO] [stderr] Compiling _rust_concurrency v0.1.0 (/opt/rustwide/workdir/apps/rust/concurrency) [INFO] [stderr] Compiling _rust_lib v0.1.0 (/opt/rustwide/workdir/apps/rust/lib) [INFO] [stderr] Compiling _rust_minigrep v0.1.0 (/opt/rustwide/workdir/apps/rust/minigrep) [INFO] [stderr] Compiling _rust_web_server v0.1.0 (/opt/rustwide/workdir/apps/rust/web_server) [INFO] [stderr] Compiling _rust_generics v0.1.0 (/opt/rustwide/workdir/apps/rust/generics) [INFO] [stderr] Compiling _rust_patterns_matching v0.1.0 (/opt/rustwide/workdir/apps/rust/patterns_matching) [INFO] [stderr] Compiling _rust_errors v0.1.0 (/opt/rustwide/workdir/apps/rust/errors) [INFO] [stderr] Compiling _rust_ownership_mistakes v0.1.0 (/opt/rustwide/workdir/apps/rust/ownership_mistakes) [INFO] [stderr] Compiling _rust_structs v0.1.0 (/opt/rustwide/workdir/apps/rust/structs) [INFO] [stderr] Compiling _rust_oop v0.1.0 (/opt/rustwide/workdir/apps/rust/oop) [INFO] [stderr] Compiling _rust_enums v0.1.0 (/opt/rustwide/workdir/apps/rust/enums) [INFO] [stderr] Compiling _rust_ds v0.1.0 (/opt/rustwide/workdir/apps/rust/ds) [INFO] [stderr] Compiling _rust_slice v0.1.0 (/opt/rustwide/workdir/apps/rust/slice) [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> libs/rust/math/src/lib.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `can_hold` is never used [INFO] [stdout] --> libs/rust/math/src/lib.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 11 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `internal_adder` is never used [INFO] [stdout] --> libs/rust/math/src/lib.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn internal_adder(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> libs/rust/math/src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Guess { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 39 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> apps/rust/enums/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 7 - V4(u8, u8, u8, u8), [INFO] [stdout] 7 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/enums/src/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - V6(String), [INFO] [stdout] 8 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/enums/src/main.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | Write(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - Write(String), [INFO] [stdout] 14 + Write(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stdout] --> apps/rust/enums/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 12 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Move { x: i32, y: i32}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | Write(String), [INFO] [stdout] 15 | ChangeColor(i32, i32, i32) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:90:6 [INFO] [stdout] | [INFO] [stdout] 90 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `seasonal_fruit` is never read [INFO] [stdout] --> apps/rust/lib/src/restaurant.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Breakefast { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 2 | pub toast: String, [INFO] [stdout] 3 | seasonal_fruit: String [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling _rust_testing v0.1.0 (/opt/rustwide/workdir/apps/rust/testing) [INFO] [stdout] warning: variant `Rgb` is never constructed [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 80 | enum Color { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 81 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `Write` are never constructed [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 85 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 86 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 87 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^ [INFO] [stdout] 88 | Write(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `y` and `z` are never read [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 134 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 135 | x: i32, [INFO] [stdout] 136 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] 137 | z: i32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut num_red = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut num_blue = 0; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/ds/src/main.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 61 - Int(i32), [INFO] [stdout] 61 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/ds/src/main.rs:62:15 [INFO] [stdout] | [INFO] [stdout] 62 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 62 - Float(f64), [INFO] [stdout] 62 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/ds/src/main.rs:63:14 [INFO] [stdout] | [INFO] [stdout] 63 | Text(String) [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 - Text(String) [INFO] [stdout] 63 + Text(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | let add_one_closure = |mut x| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | x += 1; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> apps/rust/iterators_n_closures/src/shoes_company.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> apps/rust/iterators_n_closures/src/shoes_company.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/smart_pointers/src/reference_cycle.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Cons(i32, RefCell>), [INFO] [stdout] 10 + Cons((), RefCell>), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> apps/rust/smart_pointers/src/reference_cycle.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 48 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 49 | parent: RefCell>, [INFO] [stdout] 50 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> apps/rust/smart_pointers/src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> apps/rust/smart_pointers/src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> apps/rust/generics/src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 65 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 66 | x: T, [INFO] [stdout] | ^ [INFO] [stdout] 67 | y: U, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::prelude::v1` [INFO] [stdout] --> apps/rust/iterators_n_closures/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::prelude::v1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s [INFO] running `Command { std: "docker" "inspect" "9f455fa495dc9f1117c8a243d81330da5a1e94a49bd2bb337dbd5596ce2d2557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f455fa495dc9f1117c8a243d81330da5a1e94a49bd2bb337dbd5596ce2d2557", kill_on_drop: false }` [INFO] [stdout] 9f455fa495dc9f1117c8a243d81330da5a1e94a49bd2bb337dbd5596ce2d2557 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32cd4a3caa22420e5a0cd15f595922a554a44bd81d37071e00721aca6b9179a6 [INFO] running `Command { std: "docker" "start" "-a" "32cd4a3caa22420e5a0cd15f595922a554a44bd81d37071e00721aca6b9179a6", kill_on_drop: false }` [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> libs/rust/math/src/lib.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `can_hold` is never used [INFO] [stdout] --> libs/rust/math/src/lib.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 11 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `internal_adder` is never used [INFO] [stdout] --> libs/rust/math/src/lib.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn internal_adder(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> libs/rust/math/src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Guess { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 39 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `seasonal_fruit` is never read [INFO] [stdout] --> apps/rust/lib/src/restaurant.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Breakefast { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 2 | pub toast: String, [INFO] [stdout] 3 | seasonal_fruit: String [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut num_red = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut num_blue = 0; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | let add_one_closure = |mut x| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | x += 1; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> apps/rust/iterators_n_closures/src/shoes_company.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> apps/rust/iterators_n_closures/src/shoes_company.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/smart_pointers/src/reference_cycle.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Cons(i32, RefCell>), [INFO] [stdout] 10 + Cons((), RefCell>), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> apps/rust/smart_pointers/src/reference_cycle.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 48 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 49 | parent: RefCell>, [INFO] [stdout] 50 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling _rust_testing v0.1.0 (/opt/rustwide/workdir/apps/rust/testing) [INFO] [stderr] Compiling _rust_ownership_mistakes v0.1.0 (/opt/rustwide/workdir/apps/rust/ownership_mistakes) [INFO] [stderr] Compiling _rust_math v0.1.0 (/opt/rustwide/workdir/libs/rust/math) [INFO] [stderr] Compiling _rust_minigrep v0.1.0 (/opt/rustwide/workdir/apps/rust/minigrep) [INFO] [stderr] Compiling _rust_smart_pointers v0.1.0 (/opt/rustwide/workdir/apps/rust/smart_pointers) [INFO] [stderr] Compiling _rust_lib v0.1.0 (/opt/rustwide/workdir/apps/rust/lib) [INFO] [stderr] Compiling _rust_concurrency v0.1.0 (/opt/rustwide/workdir/apps/rust/concurrency) [INFO] [stderr] Compiling _rust_generics v0.1.0 (/opt/rustwide/workdir/apps/rust/generics) [INFO] [stderr] Compiling _rust_iterators_n_closures v0.1.0 (/opt/rustwide/workdir/apps/rust/iterators_n_closures) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> apps/rust/smart_pointers/src/main.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> apps/rust/smart_pointers/src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let c = Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::prelude::v1` [INFO] [stdout] --> apps/rust/iterators_n_closures/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::prelude::v1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/smart_pointers/src/reference_cycle.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Cons(i32, RefCell>), [INFO] [stdout] 10 + Cons((), RefCell>), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> apps/rust/smart_pointers/src/reference_cycle.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 48 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 49 | parent: RefCell>, [INFO] [stdout] 50 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `seasonal_fruit` is never read [INFO] [stdout] --> apps/rust/lib/src/restaurant.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Breakefast { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 2 | pub toast: String, [INFO] [stdout] 3 | seasonal_fruit: String [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling _rust_web_server v0.1.0 (/opt/rustwide/workdir/apps/rust/web_server) [INFO] [stderr] Compiling _rust_structs v0.1.0 (/opt/rustwide/workdir/apps/rust/structs) [INFO] [stderr] Compiling _rust_oop v0.1.0 (/opt/rustwide/workdir/apps/rust/oop) [INFO] [stderr] Compiling _rust_patterns_matching v0.1.0 (/opt/rustwide/workdir/apps/rust/patterns_matching) [INFO] [stderr] Compiling _rust_errors v0.1.0 (/opt/rustwide/workdir/apps/rust/errors) [INFO] [stderr] Compiling _rust_enums v0.1.0 (/opt/rustwide/workdir/apps/rust/enums) [INFO] [stderr] Compiling _rust_ds v0.1.0 (/opt/rustwide/workdir/apps/rust/ds) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:90:6 [INFO] [stdout] | [INFO] [stdout] 90 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> libs/rust/math/src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Guess { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 39 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Rgb` is never constructed [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 80 | enum Color { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 81 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `Write` are never constructed [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 85 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 86 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 87 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^ [INFO] [stdout] 88 | Write(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `y` and `z` are never read [INFO] [stdout] --> apps/rust/patterns_matching/src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 134 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 135 | x: i32, [INFO] [stdout] 136 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] 137 | z: i32, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> apps/rust/enums/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 7 - V4(u8, u8, u8, u8), [INFO] [stdout] 7 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/enums/src/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - V6(String), [INFO] [stdout] 8 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> apps/rust/enums/src/main.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 14 | Write(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 - Write(String), [INFO] [stdout] 14 + Write(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stdout] --> apps/rust/enums/src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 12 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Move { x: i32, y: i32}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | Write(String), [INFO] [stdout] 15 | ChangeColor(i32, i32, i32) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling _rust_slice v0.1.0 (/opt/rustwide/workdir/apps/rust/slice) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut num_red = 0; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut num_blue = 0; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | let add_one_closure = |mut x| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | x += 1; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.26s [INFO] running `Command { std: "docker" "inspect" "32cd4a3caa22420e5a0cd15f595922a554a44bd81d37071e00721aca6b9179a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32cd4a3caa22420e5a0cd15f595922a554a44bd81d37071e00721aca6b9179a6", kill_on_drop: false }` [INFO] [stdout] 32cd4a3caa22420e5a0cd15f595922a554a44bd81d37071e00721aca6b9179a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9299d06b8cebc5b9390c855087c0a137292c0d530bb4744a90526127f510ae0c [INFO] running `Command { std: "docker" "start" "-a" "9299d06b8cebc5b9390c855087c0a137292c0d530bb4744a90526127f510ae0c", kill_on_drop: false }` [INFO] [stderr] warning: struct `Rectangle` is never constructed [INFO] [stderr] --> libs/rust/math/src/lib.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Rectangle { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `can_hold` is never used [INFO] [stderr] --> libs/rust/math/src/lib.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 10 | impl Rectangle { [INFO] [stderr] | -------------- method in this implementation [INFO] [stderr] 11 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `internal_adder` is never used [INFO] [stderr] --> libs/rust/math/src/lib.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn internal_adder(a: i32, b: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> libs/rust/math/src/lib.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub struct Guess { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] 39 | value: i32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `_rust_math` (lib) generated 4 warnings [INFO] [stderr] warning: field `seasonal_fruit` is never read [INFO] [stderr] --> apps/rust/lib/src/restaurant.rs:3:3 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Breakefast { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 2 | pub toast: String, [INFO] [stderr] 3 | seasonal_fruit: String [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | let mut num_red = 0; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut num_blue = 0; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `x` is assigned to, but never used [INFO] [stderr] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:28:32 [INFO] [stderr] | [INFO] [stderr] 28 | let add_one_closure = |mut x| { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_x` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> apps/rust/iterators_n_closures/src/t_shirt_company.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | x += 1; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Shoe` is never constructed [INFO] [stderr] --> apps/rust/iterators_n_closures/src/shoes_company.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct Shoe { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `shoes_in_size` is never used [INFO] [stderr] --> apps/rust/iterators_n_closures/src/shoes_company.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> apps/rust/smart_pointers/src/reference_cycle.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | Cons(i32, RefCell>), [INFO] [stderr] | ---- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 10 - Cons(i32, RefCell>), [INFO] [stderr] 10 + Cons((), RefCell>), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `value` and `children` are never read [INFO] [stderr] --> apps/rust/smart_pointers/src/reference_cycle.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 47 | struct Node { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 48 | value: i32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 49 | parent: RefCell>, [INFO] [stderr] 50 | children: RefCell>>, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `_rust_lib` (lib) generated 1 warning [INFO] [stderr] warning: `_rust_iterators_n_closures` (lib) generated 6 warnings (run `cargo fix --lib -p _rust_iterators_n_closures` to apply 2 suggestions) [INFO] [stderr] warning: `_rust_smart_pointers` (lib) generated 2 warnings [INFO] [stderr] warning: `_rust_smart_pointers` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused import: `core::prelude::v1` [INFO] [stderr] --> apps/rust/iterators_n_closures/src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core::prelude::v1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> apps/rust/smart_pointers/src/main.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let b = Cons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> apps/rust/smart_pointers/src/main.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let c = Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: `_rust_iterators_n_closures` (bin "_rust_iterators_n_closures" test) generated 1 warning (run `cargo fix --bin "_rust_iterators_n_closures" -p _rust_iterators_n_closures --tests` to apply 1 suggestion) [INFO] [stderr] warning: `_rust_smart_pointers` (bin "_rust_smart_pointers" test) generated 2 warnings (run `cargo fix --bin "_rust_smart_pointers" -p _rust_smart_pointers --tests` to apply 2 suggestions) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> apps/rust/patterns_matching/src/main.rs:90:6 [INFO] [stderr] | [INFO] [stderr] 90 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Rgb` is never constructed [INFO] [stderr] --> apps/rust/patterns_matching/src/main.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 80 | enum Color { [INFO] [stderr] | ----- variant in this enum [INFO] [stderr] 81 | Rgb(i32, i32, i32), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Quit`, `Move`, and `Write` are never constructed [INFO] [stderr] --> apps/rust/patterns_matching/src/main.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 85 | enum Message { [INFO] [stderr] | ------- variants in this enum [INFO] [stderr] 86 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] 87 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^ [INFO] [stderr] 88 | Write(String), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `y` and `z` are never read [INFO] [stderr] --> apps/rust/patterns_matching/src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 134 | struct Point { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] 135 | x: i32, [INFO] [stderr] 136 | y: i32, [INFO] [stderr] | ^ [INFO] [stderr] 137 | z: i32, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> libs/rust/math/src/lib.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub struct Guess { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] 39 | value: i32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stderr] --> apps/rust/enums/src/main.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | V4(u8, u8, u8, u8), [INFO] [stderr] | -- ^^ ^^ ^^ ^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 7 - V4(u8, u8, u8, u8), [INFO] [stderr] 7 + V4((), (), (), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> apps/rust/enums/src/main.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | V6(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 8 - V6(String), [INFO] [stderr] 8 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> apps/rust/enums/src/main.rs:14:11 [INFO] [stderr] | [INFO] [stderr] 14 | Write(String), [INFO] [stderr] | ----- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 14 - Write(String), [INFO] [stderr] 14 + Write(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stderr] --> apps/rust/enums/src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 11 | enum Message { [INFO] [stderr] | ------- variants in this enum [INFO] [stderr] 12 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] 13 | Move { x: i32, y: i32}, [INFO] [stderr] | ^^^^ [INFO] [stderr] 14 | Write(String), [INFO] [stderr] 15 | ChangeColor(i32, i32, i32) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `_rust_patterns_matching` (bin "_rust_patterns_matching" test) generated 4 warnings [INFO] [stderr] warning: `_rust_math` (lib test) generated 1 warning [INFO] [stderr] warning: `_rust_iterators_n_closures` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: `_rust_lib` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `_rust_enums` (bin "_rust_enums" test) generated 4 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_rust_concurrency-7b55b35d95a3b33a) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_rust_concurrency-2e2defc5247b9ff4) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/_rust_ds-8f51196842fb4c36) [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/_rust_enums-0a3915ef1d887f90) [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/_rust_errors-adb359ad2e3c3ddf) [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/lib.rs (/opt/rustwide/target/debug/deps/_rust_generics-feb3452398e20764) [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/_rust_generics-8472bf4feabaada1) [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/lib.rs (/opt/rustwide/target/debug/deps/_rust_iterators_n_closures-67f31da59d1f3dab) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test t_shirt_company::tests::should_giveaway_more_stocked ... ok [INFO] [stdout] test shoes_company::tests::filters_by_size ... ok [INFO] [stdout] test t_shirt_company::tests::should_giveaway_user_prefered ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 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/_rust_iterators_n_closures-95031d636047bde9) [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/lib.rs (/opt/rustwide/target/debug/deps/_rust_lib-5017e976a8dc6f2e) [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/_rust_lib-bf674060bcdf0438) [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_rust_math-423571f9bd35ab8d) [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 6 tests [INFO] [stdout] test tests::greeting_contains_name ... ignored [INFO] [stdout] test tests::larger_can_hold_smaller ... ok [INFO] [stdout] test tests::should_call_internal_adder ... ok [INFO] [stdout] test tests::it_adds_two ... ok [INFO] [stdout] test tests::smaller_cannot_hold_larger ... ok [INFO] [stdout] test tests::greater_than_100 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/_rust_minigrep-b55818751b1de609) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::case_sensitive ... ok [INFO] [stdout] test tests::case_insensitive ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::case_insensitive stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::case_insensitive' (44) panicked at apps/rust/minigrep/src/lib.rs:83:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: ["Rust:", "Trust me."] [INFO] [stdout] right: ["Trust me."] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5c575fa4d662 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5c575fa4d662 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5c575fa4d662 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5c575fa4d662 - <::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5c575fa62b8a - ::fmt [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5c575fa62b8a - core[585f66e14d78f9ba]::fmt::write [INFO] [stdout] 6: 0x5c575fa52466 - std[3f03f8b59f91bef1]::io::default_write_fmt::> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5c575fa52466 - as std[3f03f8b59f91bef1]::io::Write>::write_fmt [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x5c575fa2bdff - ::print [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5c575fa2bdff - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5c575fa45999 - std[3f03f8b59f91bef1]::panicking::default_hook [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x5c575f9e13ce - core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9 [INFO] [stdout] 12: 0x5c575f9e13ce - test[30224e0cb089acd2]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5c575fa45b52 - core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9 [INFO] [stdout] 14: 0x5c575fa45b52 - std[3f03f8b59f91bef1]::panicking::panic_with_hook [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x5c575fa2beb8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13 [INFO] [stdout] 16: 0x5c575fa210a9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x5c575fa2cd0d - __rustc[caa99d26c7bae192]::rust_begin_unwind [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x5c575fa6325c - core[585f66e14d78f9ba]::panicking::panic_fmt [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x5c575fa63113 - core[585f66e14d78f9ba]::panicking::assert_failed_inner [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:439:17 [INFO] [stdout] 20: 0x5c575f9cd6dc - core[585f66e14d78f9ba]::panicking::assert_failed::, alloc[15e7b27aba85d2e2]::vec::Vec<&str>> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:394:5 [INFO] [stdout] 21: 0x5c575f9d417d - _rust_minigrep[eea9f1c28a8e3e95]::tests::case_insensitive [INFO] [stdout] at /opt/rustwide/workdir/apps/rust/minigrep/src/lib.rs:83:9 [INFO] [stdout] 22: 0x5c575f9d38d7 - _rust_minigrep[eea9f1c28a8e3e95]::tests::case_insensitive::{closure#0} [INFO] [stdout] at /opt/rustwide/workdir/apps/rust/minigrep/src/lib.rs:75:26 [INFO] [stdout] 23: 0x5c575f9d55b6 - <_rust_minigrep[eea9f1c28a8e3e95]::tests::case_insensitive::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5c575f9d577b - core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5c575f9d577b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5c575f9e1fda - test[30224e0cb089acd2]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5c575f9e1fda - as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x5c575f9e1fda - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40 [INFO] [stdout] 29: 0x5c575f9e1fda - std[3f03f8b59f91bef1]::panicking::catch_unwind::, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19 [INFO] [stdout] 30: 0x5c575f9e1fda - std[3f03f8b59f91bef1]::panic::catch_unwind::, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5c575f9e1fda - test[30224e0cb089acd2]::run_test_in_process [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5c575f9e1fda - test[30224e0cb089acd2]::run_test::{closure#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5c575f9dc4a4 - test[30224e0cb089acd2]::run_test::{closure#1} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5c575f9dc4a4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 35: 0x5c575f9e4ad2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 36: 0x5c575f9e4ad2 - ::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x5c575f9e4ad2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40 [INFO] [stdout] 38: 0x5c575f9e4ad2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19 [INFO] [stdout] 39: 0x5c575f9e4ad2 - std[3f03f8b59f91bef1]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5c575f9e4ad2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 41: 0x5c575f9e4ad2 - ::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5c575fa4cf0f - + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9 [INFO] [stdout] 43: 0x5c575fa4cf0f - ::new::thread_start [INFO] [stdout] at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17 [INFO] [stdout] 44: 0x7e79354e5aa4 - [INFO] [stdout] 45: 0x7e7935572a64 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::case_insensitive [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `-p _rust_minigrep --lib` [INFO] running `Command { std: "docker" "inspect" "9299d06b8cebc5b9390c855087c0a137292c0d530bb4744a90526127f510ae0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9299d06b8cebc5b9390c855087c0a137292c0d530bb4744a90526127f510ae0c", kill_on_drop: false }` [INFO] [stdout] 9299d06b8cebc5b9390c855087c0a137292c0d530bb4744a90526127f510ae0c