[INFO] cloning repository https://github.com/nlflint/look_and_say [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nlflint/look_and_say" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2Flook_and_say", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2Flook_and_say'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c1f39809229642415e57120b04818a82a2daed6 [INFO] testing nlflint/look_and_say against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2Flook_and_say" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nlflint/look_and_say on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nlflint/look_and_say [INFO] finished tweaking git repo https://github.com/nlflint/look_and_say [INFO] tweaked toml for git repo https://github.com/nlflint/look_and_say written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/nlflint/look_and_say already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ef5dfabf0f4d937b3f03ea029aaca71b2150d3769d1617bb7264d4e3d3710a4 [INFO] running `Command { std: "docker" "start" "-a" "2ef5dfabf0f4d937b3f03ea029aaca71b2150d3769d1617bb7264d4e3d3710a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ef5dfabf0f4d937b3f03ea029aaca71b2150d3769d1617bb7264d4e3d3710a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ef5dfabf0f4d937b3f03ea029aaca71b2150d3769d1617bb7264d4e3d3710a4", kill_on_drop: false }` [INFO] [stdout] 2ef5dfabf0f4d937b3f03ea029aaca71b2150d3769d1617bb7264d4e3d3710a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9efec91cbeeb40087ed3c37557bdb00e956fd933a7639d960cb220bddaab0e53 [INFO] running `Command { std: "docker" "start" "-a" "9efec91cbeeb40087ed3c37557bdb00e956fd933a7639d960cb220bddaab0e53", kill_on_drop: false }` [INFO] [stderr] Compiling look-and-say v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "9efec91cbeeb40087ed3c37557bdb00e956fd933a7639d960cb220bddaab0e53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9efec91cbeeb40087ed3c37557bdb00e956fd933a7639d960cb220bddaab0e53", kill_on_drop: false }` [INFO] [stdout] 9efec91cbeeb40087ed3c37557bdb00e956fd933a7639d960cb220bddaab0e53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57c78cc032398c0cd194b0ea112add3798c599af22787840b3130a17c83d2bc9 [INFO] running `Command { std: "docker" "start" "-a" "57c78cc032398c0cd194b0ea112add3798c599af22787840b3130a17c83d2bc9", kill_on_drop: false }` [INFO] [stderr] Compiling look-and-say v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "57c78cc032398c0cd194b0ea112add3798c599af22787840b3130a17c83d2bc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57c78cc032398c0cd194b0ea112add3798c599af22787840b3130a17c83d2bc9", kill_on_drop: false }` [INFO] [stdout] 57c78cc032398c0cd194b0ea112add3798c599af22787840b3130a17c83d2bc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f1ec1938f431803ab3dc1297939f45220384afef893d5e2923cbd52515af7da4 [INFO] running `Command { std: "docker" "start" "-a" "f1ec1938f431803ab3dc1297939f45220384afef893d5e2923cbd52515af7da4", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/look_and_say-e78a7d742e00021f) [INFO] [stdout] running 6 tests [INFO] [stdout] test _111223144511777_is_3122131124152137 ... ok [INFO] [stdout] test _11_is_21 ... ok [INFO] [stdout] test _21_is_1211 ... ok [INFO] [stdout] test _1_is_11 ... ok [INFO] [stdout] test _1_with_3_iterations ... ok [INFO] [stdout] test _1_with_41_iterations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f1ec1938f431803ab3dc1297939f45220384afef893d5e2923cbd52515af7da4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1ec1938f431803ab3dc1297939f45220384afef893d5e2923cbd52515af7da4", kill_on_drop: false }` [INFO] [stdout] f1ec1938f431803ab3dc1297939f45220384afef893d5e2923cbd52515af7da4