[INFO] fetching crate justify 0.1.3... [INFO] testing justify-0.1.3 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate justify 0.1.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate justify 0.1.3 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate justify 0.1.3 [INFO] finished tweaking crates.io crate justify 0.1.3 [INFO] tweaked toml for crates.io crate justify 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate justify 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4dbc6b6fb39c1912342e69a92662f465d84acf215c36ea390c99d543b9f20d64 [INFO] running `Command { std: "docker" "start" "-a" "4dbc6b6fb39c1912342e69a92662f465d84acf215c36ea390c99d543b9f20d64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dbc6b6fb39c1912342e69a92662f465d84acf215c36ea390c99d543b9f20d64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dbc6b6fb39c1912342e69a92662f465d84acf215c36ea390c99d543b9f20d64", kill_on_drop: false }` [INFO] [stdout] 4dbc6b6fb39c1912342e69a92662f465d84acf215c36ea390c99d543b9f20d64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 053a99a02342ec45f76c3f718772d91a09663fd4b0094a9db6897fc2aba6b9a8 [INFO] running `Command { std: "docker" "start" "-a" "053a99a02342ec45f76c3f718772d91a09663fd4b0094a9db6897fc2aba6b9a8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling justify v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut c; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.02s [INFO] running `Command { std: "docker" "inspect" "053a99a02342ec45f76c3f718772d91a09663fd4b0094a9db6897fc2aba6b9a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "053a99a02342ec45f76c3f718772d91a09663fd4b0094a9db6897fc2aba6b9a8", kill_on_drop: false }` [INFO] [stdout] 053a99a02342ec45f76c3f718772d91a09663fd4b0094a9db6897fc2aba6b9a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3aa459fdcf783e99813e5c95d0333fda73f5b7d65c9ac7e549836ade7a732594 [INFO] running `Command { std: "docker" "start" "-a" "3aa459fdcf783e99813e5c95d0333fda73f5b7d65c9ac7e549836ade7a732594", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut c; [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] [stderr] Compiling justify v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let mut c; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "3aa459fdcf783e99813e5c95d0333fda73f5b7d65c9ac7e549836ade7a732594", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aa459fdcf783e99813e5c95d0333fda73f5b7d65c9ac7e549836ade7a732594", kill_on_drop: false }` [INFO] [stdout] 3aa459fdcf783e99813e5c95d0333fda73f5b7d65c9ac7e549836ade7a732594 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff4cac4be4a1f7696fa5f200b0abcf2c052130059f1126625ddb93aec2744f3b [INFO] running `Command { std: "docker" "start" "-a" "ff4cac4be4a1f7696fa5f200b0abcf2c052130059f1126625ddb93aec2744f3b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | let mut c; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:183:13 [INFO] [stderr] | [INFO] [stderr] 183 | let mut size = line.iter().fold(0, |acc, &x| acc + x.len()); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `justify` (lib) generated 2 warnings [INFO] [stderr] warning: `justify` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.34s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/justify-f2e9eedd7ecd0dd3) [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 (/opt/rustwide/target/debug/deps/justify-edc9c0da4c77532c) [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 tests/tests.rs (/opt/rustwide/target/debug/deps/tests-a89f477d91244585) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test word_longer_than_width_hyphenate ... ok [INFO] [stdout] test one_line_justify ... ok [INFO] [stdout] test justify_lipsum_right ... ok [INFO] [stdout] test many_empty_lines_justify ... ok [INFO] [stdout] test long_text ... ok [INFO] [stdout] test empty_string_justify ... ok [INFO] [stdout] test word_longer_than_width ... ok [INFO] [stdout] test less_than_width ... ok [INFO] [stdout] test multi_hyphenate ... ok [INFO] [stderr] Doc-tests justify [INFO] [stdout] test justify_paragraph_with_newline - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s [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] running `Command { std: "docker" "inspect" "ff4cac4be4a1f7696fa5f200b0abcf2c052130059f1126625ddb93aec2744f3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff4cac4be4a1f7696fa5f200b0abcf2c052130059f1126625ddb93aec2744f3b", kill_on_drop: false }` [INFO] [stdout] ff4cac4be4a1f7696fa5f200b0abcf2c052130059f1126625ddb93aec2744f3b