[INFO] cloning repository https://github.com/luoq/rolling_line_count
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luoq/rolling_line_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluoq%2Frolling_line_count", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluoq%2Frolling_line_count'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6e9ce101ba6d224c139d8b11fc068ef7bbd1ead
[INFO] testing luoq/rolling_line_count 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%2Fluoq%2Frolling_line_count" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luoq/rolling_line_count 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/luoq/rolling_line_count
[INFO] finished tweaking git repo https://github.com/luoq/rolling_line_count
[INFO] tweaked toml for git repo https://github.com/luoq/rolling_line_count written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/luoq/rolling_line_count 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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 10a76587046e8ff94f14160a84704d118c1b63847d8b61a5c551aca9b3e596d8
[INFO] running `Command { std: "docker" "start" "-a" "10a76587046e8ff94f14160a84704d118c1b63847d8b61a5c551aca9b3e596d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a76587046e8ff94f14160a84704d118c1b63847d8b61a5c551aca9b3e596d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a76587046e8ff94f14160a84704d118c1b63847d8b61a5c551aca9b3e596d8", kill_on_drop: false }`
[INFO] [stdout] 10a76587046e8ff94f14160a84704d118c1b63847d8b61a5c551aca9b3e596d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 76247dae6dcb20ab1e4787ff2328ce8eda9a7738214d6578ede9b92bad4c8d89
[INFO] running `Command { std: "docker" "start" "-a" "76247dae6dcb20ab1e4787ff2328ce8eda9a7738214d6578ede9b92bad4c8d89", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rolling_line_count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "76247dae6dcb20ab1e4787ff2328ce8eda9a7738214d6578ede9b92bad4c8d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76247dae6dcb20ab1e4787ff2328ce8eda9a7738214d6578ede9b92bad4c8d89", kill_on_drop: false }`
[INFO] [stdout] 76247dae6dcb20ab1e4787ff2328ce8eda9a7738214d6578ede9b92bad4c8d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 584287c2d1c16bb7b605172f11cb65be9efc8f44f9b8fb956661533fcf3e546a
[INFO] running `Command { std: "docker" "start" "-a" "584287c2d1c16bb7b605172f11cb65be9efc8f44f9b8fb956661533fcf3e546a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rolling_line_count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "584287c2d1c16bb7b605172f11cb65be9efc8f44f9b8fb956661533fcf3e546a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584287c2d1c16bb7b605172f11cb65be9efc8f44f9b8fb956661533fcf3e546a", kill_on_drop: false }`
[INFO] [stdout] 584287c2d1c16bb7b605172f11cb65be9efc8f44f9b8fb956661533fcf3e546a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 0b452d88b962b1f7a28898c4da757d69b76caf1ee8ffe1fc880d18fed248db2f
[INFO] running `Command { std: "docker" "start" "-a" "0b452d88b962b1f7a28898c4da757d69b76caf1ee8ffe1fc880d18fed248db2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rolling_line_count-93b6b0fd5104223e)
[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" "0b452d88b962b1f7a28898c4da757d69b76caf1ee8ffe1fc880d18fed248db2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b452d88b962b1f7a28898c4da757d69b76caf1ee8ffe1fc880d18fed248db2f", kill_on_drop: false }`
[INFO] [stdout] 0b452d88b962b1f7a28898c4da757d69b76caf1ee8ffe1fc880d18fed248db2f