[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d 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-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nlflint/look_and_say on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-10/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec7043ae4b7a2e7fd03fae15548c2dbd0c94f6feeacfa3f7fbbf7f6dbef4432f
[INFO] running `Command { std: "docker" "start" "-a" "ec7043ae4b7a2e7fd03fae15548c2dbd0c94f6feeacfa3f7fbbf7f6dbef4432f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec7043ae4b7a2e7fd03fae15548c2dbd0c94f6feeacfa3f7fbbf7f6dbef4432f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7043ae4b7a2e7fd03fae15548c2dbd0c94f6feeacfa3f7fbbf7f6dbef4432f", kill_on_drop: false }`
[INFO] [stdout] ec7043ae4b7a2e7fd03fae15548c2dbd0c94f6feeacfa3f7fbbf7f6dbef4432f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c5e3600a7c480af8d2559ef82c306d9f8419c2ea078d0e079e85e4241f9bc22
[INFO] running `Command { std: "docker" "start" "-a" "8c5e3600a7c480af8d2559ef82c306d9f8419c2ea078d0e079e85e4241f9bc22", 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 0.88s
[INFO] running `Command { std: "docker" "inspect" "8c5e3600a7c480af8d2559ef82c306d9f8419c2ea078d0e079e85e4241f9bc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5e3600a7c480af8d2559ef82c306d9f8419c2ea078d0e079e85e4241f9bc22", kill_on_drop: false }`
[INFO] [stdout] 8c5e3600a7c480af8d2559ef82c306d9f8419c2ea078d0e079e85e4241f9bc22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 281b022475298fe9ef0de5ca669d7d6d18280687a51d6d7b5cc9badfad6026fb
[INFO] running `Command { std: "docker" "start" "-a" "281b022475298fe9ef0de5ca669d7d6d18280687a51d6d7b5cc9badfad6026fb", 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 0.72s
[INFO] running `Command { std: "docker" "inspect" "281b022475298fe9ef0de5ca669d7d6d18280687a51d6d7b5cc9badfad6026fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281b022475298fe9ef0de5ca669d7d6d18280687a51d6d7b5cc9badfad6026fb", kill_on_drop: false }`
[INFO] [stdout] 281b022475298fe9ef0de5ca669d7d6d18280687a51d6d7b5cc9badfad6026fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b0c9814a2dbf31a2324d70bd9fb0f0531ed445d193c57f3fadfb0ea8a3590c0
[INFO] running `Command { std: "docker" "start" "-a" "7b0c9814a2dbf31a2324d70bd9fb0f0531ed445d193c57f3fadfb0ea8a3590c0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/look_and_say-e78a7d742e00021f)
[INFO] [stdout] test _111223144511777_is_3122131124152137 ... ok
[INFO] [stdout] test _11_is_21 ... ok
[INFO] [stdout] test _1_with_3_iterations ... ok
[INFO] [stdout] test _1_is_11 ... ok
[INFO] [stdout] test _21_is_1211 ... 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 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b0c9814a2dbf31a2324d70bd9fb0f0531ed445d193c57f3fadfb0ea8a3590c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0c9814a2dbf31a2324d70bd9fb0f0531ed445d193c57f3fadfb0ea8a3590c0", kill_on_drop: false }`
[INFO] [stdout] 7b0c9814a2dbf31a2324d70bd9fb0f0531ed445d193c57f3fadfb0ea8a3590c0