[INFO] cloning repository https://github.com/kissge/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kissge/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkissge%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkissge%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d6e7540212f766ab11c2ea345d36c945b7ebd58
[INFO] testing kissge/learning-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkissge%2Flearning-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kissge/learning-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kissge/learning-rust
[INFO] finished tweaking git repo https://github.com/kissge/learning-rust
[INFO] tweaked toml for git repo https://github.com/kissge/learning-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kissge/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded comrak v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5bab8192b024ec7333094e307e76648483bb57149b440737750462bc1fad3bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5bab8192b024ec7333094e307e76648483bb57149b440737750462bc1fad3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5bab8192b024ec7333094e307e76648483bb57149b440737750462bc1fad3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bab8192b024ec7333094e307e76648483bb57149b440737750462bc1fad3bb", kill_on_drop: false }`
[INFO] [stdout] c5bab8192b024ec7333094e307e76648483bb57149b440737750462bc1fad3bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d2107ae594486326c3e29c1182d8bb5ca42d6f853998b4376a1a618f5c2f8ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d2107ae594486326c3e29c1182d8bb5ca42d6f853998b4376a1a618f5c2f8ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling comrak v0.3.0
[INFO] [stderr]    Compiling monolog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.04s
[INFO] running `Command { std: "docker" "inspect" "2d2107ae594486326c3e29c1182d8bb5ca42d6f853998b4376a1a618f5c2f8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2107ae594486326c3e29c1182d8bb5ca42d6f853998b4376a1a618f5c2f8ca", kill_on_drop: false }`
[INFO] [stdout] 2d2107ae594486326c3e29c1182d8bb5ca42d6f853998b4376a1a618f5c2f8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 771d9f87071bfbfd087ccd4b29b04a1b9ad77b3da478b3e84ac639ea7a96cf80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "771d9f87071bfbfd087ccd4b29b04a1b9ad77b3da478b3e84ac639ea7a96cf80", kill_on_drop: false }`
[INFO] [stderr]    Compiling monolog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "771d9f87071bfbfd087ccd4b29b04a1b9ad77b3da478b3e84ac639ea7a96cf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771d9f87071bfbfd087ccd4b29b04a1b9ad77b3da478b3e84ac639ea7a96cf80", kill_on_drop: false }`
[INFO] [stdout] 771d9f87071bfbfd087ccd4b29b04a1b9ad77b3da478b3e84ac639ea7a96cf80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a03afd63a3c00383d9d356fd69a6bd25118dcef12eea0355d8207c62c4cc28d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a03afd63a3c00383d9d356fd69a6bd25118dcef12eea0355d8207c62c4cc28d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monolog-23baa06ddbd9448c
[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" "2a03afd63a3c00383d9d356fd69a6bd25118dcef12eea0355d8207c62c4cc28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a03afd63a3c00383d9d356fd69a6bd25118dcef12eea0355d8207c62c4cc28d", kill_on_drop: false }`
[INFO] [stdout] 2a03afd63a3c00383d9d356fd69a6bd25118dcef12eea0355d8207c62c4cc28d