[INFO] cloning repository https://github.com/signaes/is_palindrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/signaes/is_palindrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsignaes%2Fis_palindrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsignaes%2Fis_palindrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e44b9a58afc9c8f52e66f50387c8b7e67ba9e5
[INFO] testing signaes/is_palindrom against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsignaes%2Fis_palindrom" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/signaes/is_palindrom on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/signaes/is_palindrom
[INFO] finished tweaking git repo https://github.com/signaes/is_palindrom
[INFO] tweaked toml for git repo https://github.com/signaes/is_palindrom written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/signaes/is_palindrom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] aa5756ceea28dc2381f7e82f876722354b7201c03d990d76355391c41e6e294b
[INFO] running `Command { std: "docker" "start" "-a" "aa5756ceea28dc2381f7e82f876722354b7201c03d990d76355391c41e6e294b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa5756ceea28dc2381f7e82f876722354b7201c03d990d76355391c41e6e294b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5756ceea28dc2381f7e82f876722354b7201c03d990d76355391c41e6e294b", kill_on_drop: false }`
[INFO] [stdout] aa5756ceea28dc2381f7e82f876722354b7201c03d990d76355391c41e6e294b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 2d51b63a513b967ebbca9bce5bdb7d467495b84cb38dde3d6fb05f8d40a6c952
[INFO] running `Command { std: "docker" "start" "-a" "2d51b63a513b967ebbca9bce5bdb7d467495b84cb38dde3d6fb05f8d40a6c952", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_palindrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "2d51b63a513b967ebbca9bce5bdb7d467495b84cb38dde3d6fb05f8d40a6c952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d51b63a513b967ebbca9bce5bdb7d467495b84cb38dde3d6fb05f8d40a6c952", kill_on_drop: false }`
[INFO] [stdout] 2d51b63a513b967ebbca9bce5bdb7d467495b84cb38dde3d6fb05f8d40a6c952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 5baa891cc52011681ab417e84b30b76a73ebecffbce941b51f4a7bad1730868d
[INFO] running `Command { std: "docker" "start" "-a" "5baa891cc52011681ab417e84b30b76a73ebecffbce941b51f4a7bad1730868d", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_palindrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "5baa891cc52011681ab417e84b30b76a73ebecffbce941b51f4a7bad1730868d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5baa891cc52011681ab417e84b30b76a73ebecffbce941b51f4a7bad1730868d", kill_on_drop: false }`
[INFO] [stdout] 5baa891cc52011681ab417e84b30b76a73ebecffbce941b51f4a7bad1730868d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 99d526ed5521e944cacf4fd72d31b5e6f4dc54be1803f090b729b9cd3706946b
[INFO] running `Command { std: "docker" "start" "-a" "99d526ed5521e944cacf4fd72d31b5e6f4dc54be1803f090b729b9cd3706946b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/is_palindrom-c1b1ae799d0699ec
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99d526ed5521e944cacf4fd72d31b5e6f4dc54be1803f090b729b9cd3706946b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d526ed5521e944cacf4fd72d31b5e6f4dc54be1803f090b729b9cd3706946b", kill_on_drop: false }`
[INFO] [stdout] 99d526ed5521e944cacf4fd72d31b5e6f4dc54be1803f090b729b9cd3706946b