[INFO] fetching crate leftpad 0.2.0...
[INFO] testing leftpad-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate leftpad 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate leftpad 0.2.0 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 crates.io crate leftpad 0.2.0
[INFO] finished tweaking crates.io crate leftpad 0.2.0
[INFO] tweaked toml for crates.io crate leftpad 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 778ffc6a83885b9758b21e64833848dffc2341ddd5ce3aa7896eec8dea764116
[INFO] running `Command { std: "docker" "start" "-a" "778ffc6a83885b9758b21e64833848dffc2341ddd5ce3aa7896eec8dea764116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778ffc6a83885b9758b21e64833848dffc2341ddd5ce3aa7896eec8dea764116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778ffc6a83885b9758b21e64833848dffc2341ddd5ce3aa7896eec8dea764116", kill_on_drop: false }`
[INFO] [stdout] 778ffc6a83885b9758b21e64833848dffc2341ddd5ce3aa7896eec8dea764116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8a819ac796a65d10f081ff9e22b0ee0d77679899d09c8bcc544fdf49c6309b70
[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" "8a819ac796a65d10f081ff9e22b0ee0d77679899d09c8bcc544fdf49c6309b70", kill_on_drop: false }`
[INFO] [stderr]    Compiling leftpad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "8a819ac796a65d10f081ff9e22b0ee0d77679899d09c8bcc544fdf49c6309b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a819ac796a65d10f081ff9e22b0ee0d77679899d09c8bcc544fdf49c6309b70", kill_on_drop: false }`
[INFO] [stdout] 8a819ac796a65d10f081ff9e22b0ee0d77679899d09c8bcc544fdf49c6309b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 11a598defc8896b5fa5adb5a67e3d3467ad6a4f8cf985135fb3c3ed62a1c91ff
[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" "11a598defc8896b5fa5adb5a67e3d3467ad6a4f8cf985135fb3c3ed62a1c91ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling leftpad v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "11a598defc8896b5fa5adb5a67e3d3467ad6a4f8cf985135fb3c3ed62a1c91ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a598defc8896b5fa5adb5a67e3d3467ad6a4f8cf985135fb3c3ed62a1c91ff", kill_on_drop: false }`
[INFO] [stdout] 11a598defc8896b5fa5adb5a67e3d3467ad6a4f8cf985135fb3c3ed62a1c91ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7006508f4aa1e8865807a9658ccafb03520486d4c62b62c2e9a8d9d815952337
[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" "7006508f4aa1e8865807a9658ccafb03520486d4c62b62c2e9a8d9d815952337", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leftpad-3f8e3a813c157b90
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leftpad
[INFO] [stdout] running 1 test
[INFO] [stdout] test pad_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "7006508f4aa1e8865807a9658ccafb03520486d4c62b62c2e9a8d9d815952337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7006508f4aa1e8865807a9658ccafb03520486d4c62b62c2e9a8d9d815952337", kill_on_drop: false }`
[INFO] [stdout] 7006508f4aa1e8865807a9658ccafb03520486d4c62b62c2e9a8d9d815952337