[INFO] cloning repository https://github.com/ChenDvorak/arguments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChenDvorak/arguments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChenDvorak%2Farguments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChenDvorak%2Farguments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0ae12eb9c088a1f201eb0a4ca2e7c5f28a006ef [INFO] testing ChenDvorak/arguments against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChenDvorak%2Farguments" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChenDvorak/arguments 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 git repo https://github.com/ChenDvorak/arguments [INFO] finished tweaking git repo https://github.com/ChenDvorak/arguments [INFO] tweaked toml for git repo https://github.com/ChenDvorak/arguments written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate git repo https://github.com/ChenDvorak/arguments 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] [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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] dfa27eded439552299cab2823c6fc44701cdf63a03817683ca1d2e987454c86a [INFO] running `Command { std: "docker" "start" "-a" "dfa27eded439552299cab2823c6fc44701cdf63a03817683ca1d2e987454c86a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfa27eded439552299cab2823c6fc44701cdf63a03817683ca1d2e987454c86a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfa27eded439552299cab2823c6fc44701cdf63a03817683ca1d2e987454c86a", kill_on_drop: false }` [INFO] [stdout] dfa27eded439552299cab2823c6fc44701cdf63a03817683ca1d2e987454c86a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 0dcfa930ad55beafe14dc0f5340e6d7cf8b1d37321971a3c8ac471a40d45244f [INFO] running `Command { std: "docker" "start" "-a" "0dcfa930ad55beafe14dc0f5340e6d7cf8b1d37321971a3c8ac471a40d45244f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arguments v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/linked_list.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.46s [INFO] running `Command { std: "docker" "inspect" "0dcfa930ad55beafe14dc0f5340e6d7cf8b1d37321971a3c8ac471a40d45244f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dcfa930ad55beafe14dc0f5340e6d7cf8b1d37321971a3c8ac471a40d45244f", kill_on_drop: false }` [INFO] [stdout] 0dcfa930ad55beafe14dc0f5340e6d7cf8b1d37321971a3c8ac471a40d45244f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 4931809ea35f02225a784176c00f0c7b8d7562480fc3cfec0405cd59b3e645b7 [INFO] running `Command { std: "docker" "start" "-a" "4931809ea35f02225a784176c00f0c7b8d7562480fc3cfec0405cd59b3e645b7", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/linked_list.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling arguments v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/linked_list.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | value: T, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "4931809ea35f02225a784176c00f0c7b8d7562480fc3cfec0405cd59b3e645b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4931809ea35f02225a784176c00f0c7b8d7562480fc3cfec0405cd59b3e645b7", kill_on_drop: false }` [INFO] [stdout] 4931809ea35f02225a784176c00f0c7b8d7562480fc3cfec0405cd59b3e645b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] cfe57a4a054b09bb08aa2b7db5c4f23ac3654e3f40b1802cf16946339ed7bf55 [INFO] running `Command { std: "docker" "start" "-a" "cfe57a4a054b09bb08aa2b7db5c4f23ac3654e3f40b1802cf16946339ed7bf55", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/linked_list.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | value: T, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `arguments` (lib) generated 1 warning [INFO] [stderr] warning: `arguments` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arguments-b1bff3a76b475bf4) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test add_two_numbers::test::test_708 ... ok [INFO] [stdout] test length_of_longest_substring::tests::aaa_len_1 ... ok [INFO] [stdout] test length_of_longest_substring::tests::pwwkew_len_3 ... ok [INFO] [stdout] test length_of_longest_substring::tests::abc_len_3 ... ok [INFO] [stdout] test linked_list::test::test_empty ... ok [INFO] [stdout] test linked_list::test::test_len_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arguments-8f286ed161efb5c2) [INFO] [stdout] [INFO] [stderr] Doc-tests arguments [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] running `Command { std: "docker" "inspect" "cfe57a4a054b09bb08aa2b7db5c4f23ac3654e3f40b1802cf16946339ed7bf55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfe57a4a054b09bb08aa2b7db5c4f23ac3654e3f40b1802cf16946339ed7bf55", kill_on_drop: false }` [INFO] [stdout] cfe57a4a054b09bb08aa2b7db5c4f23ac3654e3f40b1802cf16946339ed7bf55