[INFO] cloning repository https://github.com/init-center/rust_learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/init-center/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 718104de877363ca20dd09b77ab21d73955faef8 [INFO] testing init-center/rust_learn against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/init-center/rust_learn on toolchain 595316b4006932405a63862d8fe65f71a6356293 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/init-center/rust_learn [INFO] finished tweaking git repo https://github.com/init-center/rust_learn [INFO] tweaked toml for git repo https://github.com/init-center/rust_learn written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/init-center/rust_learn 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff437a31058be7259c2b4d9177226123c5b271898be9145b4557fbbc65a89e1b [INFO] running `Command { std: "docker" "start" "-a" "ff437a31058be7259c2b4d9177226123c5b271898be9145b4557fbbc65a89e1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff437a31058be7259c2b4d9177226123c5b271898be9145b4557fbbc65a89e1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff437a31058be7259c2b4d9177226123c5b271898be9145b4557fbbc65a89e1b", kill_on_drop: false }` [INFO] [stdout] ff437a31058be7259c2b4d9177226123c5b271898be9145b4557fbbc65a89e1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0879b0cd5bd6f9e832c212a0de14d7bdf75b11745c8604c73784b53b0cffe17d [INFO] running `Command { std: "docker" "start" "-a" "0879b0cd5bd6f9e832c212a0de14d7bdf75b11745c8604c73784b53b0cffe17d", kill_on_drop: false }` [INFO] [stderr] Compiling rust_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:676:9 [INFO] [stdout] | [INFO] [stdout] 676 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/main.rs:677:9 [INFO] [stdout] | [INFO] [stdout] 677 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hm` [INFO] [stdout] --> src/main.rs:806:13 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:806:9 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [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: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:479:22 [INFO] [stdout] | [INFO] [stdout] 479 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:481:22 [INFO] [stdout] | [INFO] [stdout] 481 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:551:13 [INFO] [stdout] | [INFO] [stdout] 550 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 551 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 552 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:591:12 [INFO] [stdout] | [INFO] [stdout] 591 | V4(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] 591 | V4(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:592:12 [INFO] [stdout] | [INFO] [stdout] 592 | 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] 592 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:603:15 [INFO] [stdout] | [INFO] [stdout] 603 | 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] 603 | Write(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stdout] --> src/main.rs:601:9 [INFO] [stdout] | [INFO] [stdout] 600 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 601 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 602 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^ [INFO] [stdout] 603 | Write(String), [INFO] [stdout] 604 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/main.rs:636:9 [INFO] [stdout] | [INFO] [stdout] 635 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 636 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/main.rs:642:9 [INFO] [stdout] | [INFO] [stdout] 641 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 642 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 643 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 644 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `toast` and `seasonal_fruit` are never read [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 885 | pub struct Breakfast { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 886 | pub toast: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 887 | seasonal_fruit: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Appetizer` is never used [INFO] [stdout] --> src/main.rs:892:14 [INFO] [stdout] | [INFO] [stdout] 892 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "0879b0cd5bd6f9e832c212a0de14d7bdf75b11745c8604c73784b53b0cffe17d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0879b0cd5bd6f9e832c212a0de14d7bdf75b11745c8604c73784b53b0cffe17d", kill_on_drop: false }` [INFO] [stdout] 0879b0cd5bd6f9e832c212a0de14d7bdf75b11745c8604c73784b53b0cffe17d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dbd9975ca74bef0d0ac22a07226c97df3f101b55099b26f4c1162feff228c8c [INFO] running `Command { std: "docker" "start" "-a" "0dbd9975ca74bef0d0ac22a07226c97df3f101b55099b26f4c1162feff228c8c", kill_on_drop: false }` [INFO] [stderr] Compiling rust_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:676:9 [INFO] [stdout] | [INFO] [stdout] 676 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/main.rs:677:9 [INFO] [stdout] | [INFO] [stdout] 677 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hm` [INFO] [stdout] --> src/main.rs:806:13 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:806:9 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [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: fields `toast` and `seasonal_fruit` are never read [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 885 | pub struct Breakfast { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 886 | pub toast: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 887 | seasonal_fruit: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Appetizer` is never used [INFO] [stdout] --> src/main.rs:892:14 [INFO] [stdout] | [INFO] [stdout] 892 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "0dbd9975ca74bef0d0ac22a07226c97df3f101b55099b26f4c1162feff228c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dbd9975ca74bef0d0ac22a07226c97df3f101b55099b26f4c1162feff228c8c", kill_on_drop: false }` [INFO] [stdout] 0dbd9975ca74bef0d0ac22a07226c97df3f101b55099b26f4c1162feff228c8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c16b7e304cd7302ba4b9f35e92c19fb292638302c8ffa33c28687e29bb801634 [INFO] running `Command { std: "docker" "start" "-a" "c16b7e304cd7302ba4b9f35e92c19fb292638302c8ffa33c28687e29bb801634", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/main.rs:676:9 [INFO] [stderr] | [INFO] [stderr] 676 | let six = plus_one(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/main.rs:677:9 [INFO] [stderr] | [INFO] [stderr] 677 | let none = plus_one(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hm` [INFO] [stderr] --> src/main.rs:806:13 [INFO] [stderr] | [INFO] [stderr] 806 | let mut hm: HashMap = HashMap::new(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_hm` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:806:9 [INFO] [stderr] | [INFO] [stderr] 806 | let mut hm: HashMap = HashMap::new(); [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: fields `toast` and `seasonal_fruit` are never read [INFO] [stderr] --> src/main.rs:886:13 [INFO] [stderr] | [INFO] [stderr] 885 | pub struct Breakfast { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 886 | pub toast: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 887 | seasonal_fruit: String, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum `Appetizer` is never used [INFO] [stderr] --> src/main.rs:892:14 [INFO] [stderr] | [INFO] [stderr] 892 | pub enum Appetizer { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust_learn` (bin "rust_learn" test) generated 6 warnings (run `cargo fix --bin "rust_learn" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learn-62260af1f633393c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c16b7e304cd7302ba4b9f35e92c19fb292638302c8ffa33c28687e29bb801634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c16b7e304cd7302ba4b9f35e92c19fb292638302c8ffa33c28687e29bb801634", kill_on_drop: false }` [INFO] [stdout] c16b7e304cd7302ba4b9f35e92c19fb292638302c8ffa33c28687e29bb801634 [INFO] testing init-center/rust_learn against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finit-center%2Frust_learn" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/init-center/rust_learn on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/init-center/rust_learn [INFO] finished tweaking git repo https://github.com/init-center/rust_learn [INFO] tweaked toml for git repo https://github.com/init-center/rust_learn written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/init-center/rust_learn 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61d1db237cc6f76c8ad5808dc26f45b04ef7c470084893105a1d64381921b392 [INFO] running `Command { std: "docker" "start" "-a" "61d1db237cc6f76c8ad5808dc26f45b04ef7c470084893105a1d64381921b392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61d1db237cc6f76c8ad5808dc26f45b04ef7c470084893105a1d64381921b392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61d1db237cc6f76c8ad5808dc26f45b04ef7c470084893105a1d64381921b392", kill_on_drop: false }` [INFO] [stdout] 61d1db237cc6f76c8ad5808dc26f45b04ef7c470084893105a1d64381921b392 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 121a8c3a6c165796fda248f386768ba20a58fa3610cf07214db03d4e7eb41d4e [INFO] running `Command { std: "docker" "start" "-a" "121a8c3a6c165796fda248f386768ba20a58fa3610cf07214db03d4e7eb41d4e", kill_on_drop: false }` [INFO] [stderr] Compiling rust_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:676:9 [INFO] [stdout] | [INFO] [stdout] 676 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/main.rs:677:9 [INFO] [stdout] | [INFO] [stdout] 677 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hm` [INFO] [stdout] --> src/main.rs:806:13 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:806:9 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [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: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:479:22 [INFO] [stdout] | [INFO] [stdout] 479 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:481:22 [INFO] [stdout] | [INFO] [stdout] 481 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/main.rs:551:13 [INFO] [stdout] | [INFO] [stdout] 550 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 551 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 552 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:591:12 [INFO] [stdout] | [INFO] [stdout] 591 | V4(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] 591 | V4(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:592:12 [INFO] [stdout] | [INFO] [stdout] 592 | 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] 592 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:603:15 [INFO] [stdout] | [INFO] [stdout] 603 | 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] 603 | Write(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed [INFO] [stdout] --> src/main.rs:601:9 [INFO] [stdout] | [INFO] [stdout] 600 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 601 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 602 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^ [INFO] [stdout] 603 | Write(String), [INFO] [stdout] 604 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/main.rs:636:9 [INFO] [stdout] | [INFO] [stdout] 635 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 636 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/main.rs:642:9 [INFO] [stdout] | [INFO] [stdout] 641 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 642 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 643 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 644 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `toast` and `seasonal_fruit` are never read [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 885 | pub struct Breakfast { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 886 | pub toast: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 887 | seasonal_fruit: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Appetizer` is never used [INFO] [stdout] --> src/main.rs:892:14 [INFO] [stdout] | [INFO] [stdout] 892 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "121a8c3a6c165796fda248f386768ba20a58fa3610cf07214db03d4e7eb41d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121a8c3a6c165796fda248f386768ba20a58fa3610cf07214db03d4e7eb41d4e", kill_on_drop: false }` [INFO] [stdout] 121a8c3a6c165796fda248f386768ba20a58fa3610cf07214db03d4e7eb41d4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ac06887225df3fd5501478d34dfab7817d91309bb1185e1e07e024e5df36dac [INFO] running `Command { std: "docker" "start" "-a" "6ac06887225df3fd5501478d34dfab7817d91309bb1185e1e07e024e5df36dac", kill_on_drop: false }` [INFO] [stderr] Compiling rust_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:676:9 [INFO] [stdout] | [INFO] [stdout] 676 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/main.rs:677:9 [INFO] [stdout] | [INFO] [stdout] 677 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hm` [INFO] [stdout] --> src/main.rs:806:13 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:806:9 [INFO] [stdout] | [INFO] [stdout] 806 | let mut hm: HashMap = HashMap::new(); [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: fields `toast` and `seasonal_fruit` are never read [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 885 | pub struct Breakfast { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 886 | pub toast: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 887 | seasonal_fruit: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Appetizer` is never used [INFO] [stdout] --> src/main.rs:892:14 [INFO] [stdout] | [INFO] [stdout] 892 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcAFbVD6/symbols.o" "/opt/rustwide/target/debug/deps/rust_learn-62260af1f633393c.rust_learn.e0caf6cc2704bdc4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_learn-62260af1f633393c.4kbclwa5tedsfp937mhpxzgcy.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-d2aabef62695c36a.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-85ffb1adee1b6de7.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-47c1d1c97d43fb9c.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-767d58143f86b11a.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9506e3738f23e7c7.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0e87bdc388165b9b.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-28d2ee21ffecbcd0.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-4cd64c3d9fc2560b.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a1fedeceba4cc892.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0b8915cbc76cd410.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-fec2ce82fc5b17fa.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fdb02324b55b2840.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-db981ef273c68b12.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2c4968ed4cb29e9c.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-661cdd70a5b83118.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbb3bfdc8e63ca5.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a4c5ad4392a26401.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9409cd7d030362b9.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-7b90a2705bcf265b.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-80d2f129fb536a6f.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7586cb84705120bb.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/rust_learn-62260af1f633393c" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_learn` (bin "rust_learn" test) due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6ac06887225df3fd5501478d34dfab7817d91309bb1185e1e07e024e5df36dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ac06887225df3fd5501478d34dfab7817d91309bb1185e1e07e024e5df36dac", kill_on_drop: false }` [INFO] [stdout] 6ac06887225df3fd5501478d34dfab7817d91309bb1185e1e07e024e5df36dac