[INFO] cloning repository https://github.com/MuttakinHasib/lets-get-rusty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MuttakinHasib/lets-get-rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuttakinHasib%2Flets-get-rusty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuttakinHasib%2Flets-get-rusty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d4aa075592c05a33c25b58068aea81755f79ceb [INFO] checking MuttakinHasib/lets-get-rusty against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuttakinHasib%2Flets-get-rusty" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/MuttakinHasib/lets-get-rusty [INFO] finished tweaking git repo https://github.com/MuttakinHasib/lets-get-rusty [INFO] tweaked toml for git repo https://github.com/MuttakinHasib/lets-get-rusty written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MuttakinHasib/lets-get-rusty on toolchain 723ab942d877517caf445dafde0416803ef56501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MuttakinHasib/lets-get-rusty 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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking MuttakinHasib/lets-get-rusty against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuttakinHasib%2Flets-get-rusty" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/MuttakinHasib/lets-get-rusty [INFO] finished tweaking git repo https://github.com/MuttakinHasib/lets-get-rusty [INFO] tweaked toml for git repo https://github.com/MuttakinHasib/lets-get-rusty written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/MuttakinHasib/lets-get-rusty on toolchain 723ab942d877517caf445dafde0416803ef56501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/MuttakinHasib/lets-get-rusty 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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db9da0a69264507157364b2e1a74c5d5311b8892917b88ed029a0015ebd0f54f [INFO] running `Command { std: "docker" "start" "-a" "db9da0a69264507157364b2e1a74c5d5311b8892917b88ed029a0015ebd0f54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db9da0a69264507157364b2e1a74c5d5311b8892917b88ed029a0015ebd0f54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db9da0a69264507157364b2e1a74c5d5311b8892917b88ed029a0015ebd0f54f", kill_on_drop: false }` [INFO] [stdout] db9da0a69264507157364b2e1a74c5d5311b8892917b88ed029a0015ebd0f54f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 179fb3917def2d129e0cc5a89e10c8e48e05c6d31bacdae616a9cb24d2b8a199 [INFO] running `Command { std: "docker" "start" "-a" "179fb3917def2d129e0cc5a89e10c8e48e05c6d31bacdae616a9cb24d2b8a199", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling getrandom v0.3.2 [INFO] [stderr] Checking colored v3.0.0 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.1 [INFO] [stderr] Checking lets-get-rusty v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/data_types/mod.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let a = 98_222; // decimal [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/data_types/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let b = 0xff; // hexadecimal [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/data_types/mod.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let c = 0o77; // octal [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/data_types/mod.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let d = 0b1111_0000; // binary [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/data_types/mod.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let e = 1_000_000; // underscores for readability [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/data_types/mod.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let f = 1_000_000_000; // underscores for readability [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/data_types/mod.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let g = b'A'; // character type byte [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/data_types/mod.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let h = 2.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/data_types/mod.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let i: f32 = 3.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/data_types/mod.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let j = true; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/data_types/mod.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let k: bool = false; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l` [INFO] [stdout] --> src/data_types/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let l = 'L'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_l` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/data_types/mod.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let m: char = 'M'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/data_types/mod.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | let (name, age) = n; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `age` [INFO] [stdout] --> src/data_types/mod.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | let (name, age) = n; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `his_age` [INFO] [stdout] --> src/data_types/mod.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let his_age = n.1; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_his_age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `not_found` [INFO] [stdout] --> src/data_types/mod.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let not_found = error_codes[1]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_not_found` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> src/data_types/mod.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let byte = [0; 8]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/data_types/mod.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let a = 98_222; // decimal [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/data_types/mod.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let b = 0xff; // hexadecimal [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/data_types/mod.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let c = 0o77; // octal [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/data_types/mod.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let d = 0b1111_0000; // binary [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/data_types/mod.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let e = 1_000_000; // underscores for readability [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/data_types/mod.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let f = 1_000_000_000; // underscores for readability [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/data_types/mod.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let g = b'A'; // character type byte [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/data_types/mod.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let h = 2.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/data_types/mod.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let i: f32 = 3.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/data_types/mod.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let j = true; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/data_types/mod.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let k: bool = false; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l` [INFO] [stdout] --> src/data_types/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let l = 'L'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_l` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/data_types/mod.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let m: char = 'M'; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/data_types/mod.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | let (name, age) = n; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `age` [INFO] [stdout] --> src/data_types/mod.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | let (name, age) = n; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `his_age` [INFO] [stdout] --> src/data_types/mod.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let his_age = n.1; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_his_age` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `not_found` [INFO] [stdout] --> src/data_types/mod.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let not_found = error_codes[1]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_not_found` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> src/data_types/mod.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let byte = [0; 8]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s [INFO] running `Command { std: "docker" "inspect" "179fb3917def2d129e0cc5a89e10c8e48e05c6d31bacdae616a9cb24d2b8a199", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "179fb3917def2d129e0cc5a89e10c8e48e05c6d31bacdae616a9cb24d2b8a199", kill_on_drop: false }` [INFO] [stdout] 179fb3917def2d129e0cc5a89e10c8e48e05c6d31bacdae616a9cb24d2b8a199