[INFO] cloning repository https://github.com/lowks/gettingrusty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lowks/gettingrusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c793a1888c8b5ef702b8ea63e1e91c9084c7e9a [INFO] testing lowks/gettingrusty against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lowks/gettingrusty on toolchain nightly-2025-01-18 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lowks/gettingrusty [INFO] finished tweaking git repo https://github.com/lowks/gettingrusty [INFO] tweaked toml for git repo https://github.com/lowks/gettingrusty written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lowks/gettingrusty 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a11b9c5976878c9ec911bba65517f643cbc141ea7b35b148fdfc4b210c81ff8e [INFO] running `Command { std: "docker" "start" "-a" "a11b9c5976878c9ec911bba65517f643cbc141ea7b35b148fdfc4b210c81ff8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a11b9c5976878c9ec911bba65517f643cbc141ea7b35b148fdfc4b210c81ff8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a11b9c5976878c9ec911bba65517f643cbc141ea7b35b148fdfc4b210c81ff8e", kill_on_drop: false }` [INFO] [stdout] a11b9c5976878c9ec911bba65517f643cbc141ea7b35b148fdfc4b210c81ff8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed96716d7eb95bafbc73374067ff5081fbe0ce3c94847bda13488a36b392a990 [INFO] running `Command { std: "docker" "start" "-a" "ed96716d7eb95bafbc73374067ff5081fbe0ce3c94847bda13488a36b392a990", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling gettingrusty v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:32:45 [INFO] [stdout] | [INFO] [stdout] 32 | assert_eq!("HelloWorld", original_string.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/semicolons.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | 2 * m; [INFO] [stdout] | ^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = 2 * m; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/functional.rs:101:18 [INFO] [stdout] | [INFO] [stdout] 101 | for x in b.iter() [INFO] [stdout] | __________________^ [INFO] [stdout] 102 | | .max() { [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 101 | while let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 101 | if let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/functional.rs:106:18 [INFO] [stdout] | [INFO] [stdout] 106 | for x in b.iter() [INFO] [stdout] | __________________^ [INFO] [stdout] 107 | | .min() { [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 106 | while let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 106 | if let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "ed96716d7eb95bafbc73374067ff5081fbe0ce3c94847bda13488a36b392a990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed96716d7eb95bafbc73374067ff5081fbe0ce3c94847bda13488a36b392a990", kill_on_drop: false }` [INFO] [stdout] ed96716d7eb95bafbc73374067ff5081fbe0ce3c94847bda13488a36b392a990 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e85f3aae053d5d5a062e53a8da7cec950741c46e9bf93cdffdfca2103d651735 [INFO] running `Command { std: "docker" "start" "-a" "e85f3aae053d5d5a062e53a8da7cec950741c46e9bf93cdffdfca2103d651735", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling gettingrusty v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:32:45 [INFO] [stdout] | [INFO] [stdout] 32 | assert_eq!("HelloWorld", original_string.clone()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/semicolons.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | 2 * m; [INFO] [stdout] | ^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = 2 * m; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/functional.rs:101:18 [INFO] [stdout] | [INFO] [stdout] 101 | for x in b.iter() [INFO] [stdout] | __________________^ [INFO] [stdout] 102 | | .max() { [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 101 | while let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 101 | if let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/functional.rs:106:18 [INFO] [stdout] | [INFO] [stdout] 106 | for x in b.iter() [INFO] [stdout] | __________________^ [INFO] [stdout] 107 | | .min() { [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 106 | while let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 106 | if let Some(x) = b.iter() [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "e85f3aae053d5d5a062e53a8da7cec950741c46e9bf93cdffdfca2103d651735", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e85f3aae053d5d5a062e53a8da7cec950741c46e9bf93cdffdfca2103d651735", kill_on_drop: false }` [INFO] [stdout] e85f3aae053d5d5a062e53a8da7cec950741c46e9bf93cdffdfca2103d651735 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 253ed11ba1c3f7fcd7f62cc022317c672da5cde2091309e82bac5665ba7f7ad9 [INFO] running `Command { std: "docker" "start" "-a" "253ed11ba1c3f7fcd7f62cc022317c672da5cde2091309e82bac5665ba7f7ad9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/main.rs:32:45 [INFO] [stderr] | [INFO] [stderr] 32 | assert_eq!("HelloWorld", original_string.clone()); [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/semicolons.rs:13:7 [INFO] [stderr] | [INFO] [stderr] 13 | 2 * m; [INFO] [stderr] | ^^^^^ the arithmetic operation produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 13 | let _ = 2 * m; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stderr] --> src/functional.rs:101:18 [INFO] [stderr] | [INFO] [stderr] 101 | for x in b.iter() [INFO] [stderr] | __________________^ [INFO] [stderr] 102 | | .max() { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stderr] help: to check pattern in a loop use `while let` [INFO] [stderr] | [INFO] [stderr] 101 | while let Some(x) = b.iter() [INFO] [stderr] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stderr] help: consider using `if let` to clear intent [INFO] [stderr] | [INFO] [stderr] 101 | if let Some(x) = b.iter() [INFO] [stderr] | ~~~~~~~~~~~~ ~~~ [INFO] [stderr] [INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stderr] --> src/functional.rs:106:18 [INFO] [stderr] | [INFO] [stderr] 106 | for x in b.iter() [INFO] [stderr] | __________________^ [INFO] [stderr] 107 | | .min() { [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] help: to check pattern in a loop use `while let` [INFO] [stderr] | [INFO] [stderr] 106 | while let Some(x) = b.iter() [INFO] [stderr] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stderr] help: consider using `if let` to clear intent [INFO] [stderr] | [INFO] [stderr] 106 | if let Some(x) = b.iter() [INFO] [stderr] | ~~~~~~~~~~~~ ~~~ [INFO] [stderr] [INFO] [stderr] warning: `gettingrusty` (bin "gettingrusty" test) generated 4 warnings (run `cargo fix --bin "gettingrusty" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gettingrusty-9a5afff953738797) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test conditionals::test_conditionals ... ok [INFO] [stdout] test functional::test_functional ... ok [INFO] [stdout] test matching::test_matching ... ok [INFO] [stdout] test pattern_match::test_pattern_m ... ok [INFO] [stdout] test string::test_push_string ... ok [INFO] [stdout] test string::test_replace ... ok [INFO] [stdout] test string::test_string_capacity ... ok [INFO] [stdout] test semicolons::test_expr ... ok [INFO] [stdout] test string::test_truncate ... ok [INFO] [stdout] test guard_clause::test_pattern_m ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "253ed11ba1c3f7fcd7f62cc022317c672da5cde2091309e82bac5665ba7f7ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "253ed11ba1c3f7fcd7f62cc022317c672da5cde2091309e82bac5665ba7f7ad9", kill_on_drop: false }` [INFO] [stdout] 253ed11ba1c3f7fcd7f62cc022317c672da5cde2091309e82bac5665ba7f7ad9