[INFO] cloning repository https://github.com/AHPirate/learn_rust_by_example_for_me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AHPirate/learn_rust_by_example_for_me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAHPirate%2Flearn_rust_by_example_for_me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAHPirate%2Flearn_rust_by_example_for_me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54dab779bfd8bd217a026235e81ea1ce8bf19b4c
[INFO] testing AHPirate/learn_rust_by_example_for_me 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%2FAHPirate%2Flearn_rust_by_example_for_me" "/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/AHPirate/learn_rust_by_example_for_me 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/AHPirate/learn_rust_by_example_for_me
[INFO] finished tweaking git repo https://github.com/AHPirate/learn_rust_by_example_for_me
[INFO] tweaked toml for git repo https://github.com/AHPirate/learn_rust_by_example_for_me written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AHPirate/learn_rust_by_example_for_me 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] 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" "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] d67a6f0815cbbb6131794f73c45c2bb5eeb54722450910b65758d4c89ede94ba
[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" "d67a6f0815cbbb6131794f73c45c2bb5eeb54722450910b65758d4c89ede94ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d67a6f0815cbbb6131794f73c45c2bb5eeb54722450910b65758d4c89ede94ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67a6f0815cbbb6131794f73c45c2bb5eeb54722450910b65758d4c89ede94ba", kill_on_drop: false }`
[INFO] [stdout] d67a6f0815cbbb6131794f73c45c2bb5eeb54722450910b65758d4c89ede94ba
[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=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] 22feb32503465d850cdfc2d1331f7c6f2cd9f8fd03425167af110da015bbaacf
[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" "22feb32503465d850cdfc2d1331f7c6f2cd9f8fd03425167af110da015bbaacf", kill_on_drop: false }`
[INFO] [stderr]    Compiling example_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "22feb32503465d850cdfc2d1331f7c6f2cd9f8fd03425167af110da015bbaacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22feb32503465d850cdfc2d1331f7c6f2cd9f8fd03425167af110da015bbaacf", kill_on_drop: false }`
[INFO] [stdout] 22feb32503465d850cdfc2d1331f7c6f2cd9f8fd03425167af110da015bbaacf
[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=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] 563df7acfb1cfbc8f2bb8620f8fbe1ca71cb4a2d2921a86bfb253f0493b4af22
[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" "563df7acfb1cfbc8f2bb8620f8fbe1ca71cb4a2d2921a86bfb253f0493b4af22", kill_on_drop: false }`
[INFO] [stderr]    Compiling example_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "563df7acfb1cfbc8f2bb8620f8fbe1ca71cb4a2d2921a86bfb253f0493b4af22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563df7acfb1cfbc8f2bb8620f8fbe1ca71cb4a2d2921a86bfb253f0493b4af22", kill_on_drop: false }`
[INFO] [stdout] 563df7acfb1cfbc8f2bb8620f8fbe1ca71cb4a2d2921a86bfb253f0493b4af22
[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=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] 2205518878e0066971b31bfb711e12e0971198655a3d511b45721b39e6710738
[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" "2205518878e0066971b31bfb711e12e0971198655a3d511b45721b39e6710738", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/example_learn_rust-dddfb91fed4d518a
[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" "2205518878e0066971b31bfb711e12e0971198655a3d511b45721b39e6710738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2205518878e0066971b31bfb711e12e0971198655a3d511b45721b39e6710738", kill_on_drop: false }`
[INFO] [stdout] 2205518878e0066971b31bfb711e12e0971198655a3d511b45721b39e6710738