[INFO] fetching crate magnetite 0.0.1...
[INFO] testing magnetite-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate magnetite 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate magnetite 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magnetite 0.0.1
[INFO] finished tweaking crates.io crate magnetite 0.0.1
[INFO] tweaked toml for crates.io crate magnetite 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] 62efa4ae55df661eb920d2e28da288e18ff5a2cb76fc4b782ae6791d4a6ea8b1
[INFO] running `Command { std: "docker" "start" "-a" "62efa4ae55df661eb920d2e28da288e18ff5a2cb76fc4b782ae6791d4a6ea8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62efa4ae55df661eb920d2e28da288e18ff5a2cb76fc4b782ae6791d4a6ea8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62efa4ae55df661eb920d2e28da288e18ff5a2cb76fc4b782ae6791d4a6ea8b1", kill_on_drop: false }`
[INFO] [stdout] 62efa4ae55df661eb920d2e28da288e18ff5a2cb76fc4b782ae6791d4a6ea8b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] 5a2f711ec2ee6c2f87332d110971836ff6b432d28f8df1b8c7f6275e06b1f707
[INFO] running `Command { std: "docker" "start" "-a" "5a2f711ec2ee6c2f87332d110971836ff6b432d28f8df1b8c7f6275e06b1f707", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnetite v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "5a2f711ec2ee6c2f87332d110971836ff6b432d28f8df1b8c7f6275e06b1f707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2f711ec2ee6c2f87332d110971836ff6b432d28f8df1b8c7f6275e06b1f707", kill_on_drop: false }`
[INFO] [stdout] 5a2f711ec2ee6c2f87332d110971836ff6b432d28f8df1b8c7f6275e06b1f707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4dc57c806b7ccc4bf44126dacd8148115763826dd8d76c8b3e9a8d4bd318cc
[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" "9e4dc57c806b7ccc4bf44126dacd8148115763826dd8d76c8b3e9a8d4bd318cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnetite v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "9e4dc57c806b7ccc4bf44126dacd8148115763826dd8d76c8b3e9a8d4bd318cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4dc57c806b7ccc4bf44126dacd8148115763826dd8d76c8b3e9a8d4bd318cc", kill_on_drop: false }`
[INFO] [stdout] 9e4dc57c806b7ccc4bf44126dacd8148115763826dd8d76c8b3e9a8d4bd318cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] ee15f55fa5207822233ac49bec43a4392df276193294aeabdfde2122e90e4ff4
[INFO] running `Command { std: "docker" "start" "-a" "ee15f55fa5207822233ac49bec43a4392df276193294aeabdfde2122e90e4ff4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/magnetite-3601835501dbeefd)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests magnetite
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "ee15f55fa5207822233ac49bec43a4392df276193294aeabdfde2122e90e4ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee15f55fa5207822233ac49bec43a4392df276193294aeabdfde2122e90e4ff4", kill_on_drop: false }`
[INFO] [stdout] ee15f55fa5207822233ac49bec43a4392df276193294aeabdfde2122e90e4ff4