[INFO] fetching crate ncmc 0.1.10...
[INFO] testing ncmc-0.1.10 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ncmc 0.1.10 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ncmc 0.1.10 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 ncmc 0.1.10
[INFO] finished tweaking crates.io crate ncmc 0.1.10
[INFO] tweaked toml for crates.io crate ncmc 0.1.10 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ncmc 0.1.10 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07b911bc8898fd0096fa348eb4d6b39d9f14d9c0c32b9e8659cfe27c5b8f9486
[INFO] running `Command { std: "docker" "start" "-a" "07b911bc8898fd0096fa348eb4d6b39d9f14d9c0c32b9e8659cfe27c5b8f9486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b911bc8898fd0096fa348eb4d6b39d9f14d9c0c32b9e8659cfe27c5b8f9486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b911bc8898fd0096fa348eb4d6b39d9f14d9c0c32b9e8659cfe27c5b8f9486", kill_on_drop: false }`
[INFO] [stdout] 07b911bc8898fd0096fa348eb4d6b39d9f14d9c0c32b9e8659cfe27c5b8f9486
[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] 6c564487726386bd336f476b8ee8920a272702d30c78a522d655132b4cc67666
[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" "6c564487726386bd336f476b8ee8920a272702d30c78a522d655132b4cc67666", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling metaflac v0.2.2
[INFO] [stderr]    Compiling id3 v0.5.0
[INFO] [stderr]    Compiling mini-internal v0.1.12
[INFO] [stderr]    Compiling miniserde v0.1.12
[INFO] [stderr]    Compiling ncmc v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "6c564487726386bd336f476b8ee8920a272702d30c78a522d655132b4cc67666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c564487726386bd336f476b8ee8920a272702d30c78a522d655132b4cc67666", kill_on_drop: false }`
[INFO] [stdout] 6c564487726386bd336f476b8ee8920a272702d30c78a522d655132b4cc67666
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ec87b55a532a6fe176c9969dff1dbf9e6c3926104159fcb1486d2c4429cda51
[INFO] running `Command { std: "docker" "start" "-a" "4ec87b55a532a6fe176c9969dff1dbf9e6c3926104159fcb1486d2c4429cda51", kill_on_drop: false }`
[INFO] [stderr]    Compiling ncmc v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4ec87b55a532a6fe176c9969dff1dbf9e6c3926104159fcb1486d2c4429cda51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec87b55a532a6fe176c9969dff1dbf9e6c3926104159fcb1486d2c4429cda51", kill_on_drop: false }`
[INFO] [stdout] 4ec87b55a532a6fe176c9969dff1dbf9e6c3926104159fcb1486d2c4429cda51
[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] cc3c8da34baa61e99b7eccb7689c3041204b296a35a2c5b2b1ed4983dd22d269
[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" "cc3c8da34baa61e99b7eccb7689c3041204b296a35a2c5b2b1ed4983dd22d269", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ncmc-d1f8f27ec3d18218)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ncmc-f4c383e0a5b86dcd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ncmc
[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] [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" "cc3c8da34baa61e99b7eccb7689c3041204b296a35a2c5b2b1ed4983dd22d269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3c8da34baa61e99b7eccb7689c3041204b296a35a2c5b2b1ed4983dd22d269", kill_on_drop: false }`
[INFO] [stdout] cc3c8da34baa61e99b7eccb7689c3041204b296a35a2c5b2b1ed4983dd22d269