[INFO] fetching crate max-metadata 0.0.0...
[INFO] testing max-metadata-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate max-metadata 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate max-metadata 0.0.0 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 max-metadata 0.0.0
[INFO] finished tweaking crates.io crate max-metadata 0.0.0
[INFO] tweaked toml for crates.io crate max-metadata 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate max-metadata 0.0.0 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 2c6e896fe1e2fee61acf34503879f4d96f031f0288b0c34f05d2aa6a0cec2451
[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" "2c6e896fe1e2fee61acf34503879f4d96f031f0288b0c34f05d2aa6a0cec2451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6e896fe1e2fee61acf34503879f4d96f031f0288b0c34f05d2aa6a0cec2451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6e896fe1e2fee61acf34503879f4d96f031f0288b0c34f05d2aa6a0cec2451", kill_on_drop: false }`
[INFO] [stdout] 2c6e896fe1e2fee61acf34503879f4d96f031f0288b0c34f05d2aa6a0cec2451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 7cdcf1d1e2e591d501ae81c3c0a18caf527eed57e9ce88cfc27cda8bfd53ad3e
[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" "7cdcf1d1e2e591d501ae81c3c0a18caf527eed57e9ce88cfc27cda8bfd53ad3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling max-metadata v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "7cdcf1d1e2e591d501ae81c3c0a18caf527eed57e9ce88cfc27cda8bfd53ad3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdcf1d1e2e591d501ae81c3c0a18caf527eed57e9ce88cfc27cda8bfd53ad3e", kill_on_drop: false }`
[INFO] [stdout] 7cdcf1d1e2e591d501ae81c3c0a18caf527eed57e9ce88cfc27cda8bfd53ad3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 133a0748edb12bbbee7cb7af18475af4ed7b8dcade58d1a7c302c222710c541d
[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" "133a0748edb12bbbee7cb7af18475af4ed7b8dcade58d1a7c302c222710c541d", kill_on_drop: false }`
[INFO] [stderr]    Compiling max-metadata v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "133a0748edb12bbbee7cb7af18475af4ed7b8dcade58d1a7c302c222710c541d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133a0748edb12bbbee7cb7af18475af4ed7b8dcade58d1a7c302c222710c541d", kill_on_drop: false }`
[INFO] [stdout] 133a0748edb12bbbee7cb7af18475af4ed7b8dcade58d1a7c302c222710c541d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] c03e1e0251137e82808fa73c3399cbcc4eb429371e1e71eea3a1a7d9501c1ed1
[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" "c03e1e0251137e82808fa73c3399cbcc4eb429371e1e71eea3a1a7d9501c1ed1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/max_metadata-96c419484c8a6248)
[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" "c03e1e0251137e82808fa73c3399cbcc4eb429371e1e71eea3a1a7d9501c1ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03e1e0251137e82808fa73c3399cbcc4eb429371e1e71eea3a1a7d9501c1ed1", kill_on_drop: false }`
[INFO] [stdout] c03e1e0251137e82808fa73c3399cbcc4eb429371e1e71eea3a1a7d9501c1ed1