[INFO] fetching crate ngrex 0.1.1...
[INFO] testing ngrex-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ngrex 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ngrex 0.1.1 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 ngrex 0.1.1
[INFO] finished tweaking crates.io crate ngrex 0.1.1
[INFO] tweaked toml for crates.io crate ngrex 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ngrex 0.1.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 80f92ee48b08d975746bb5f48bc92bfafc1df3ef3084d2f78a45ccf18f6be198
[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" "80f92ee48b08d975746bb5f48bc92bfafc1df3ef3084d2f78a45ccf18f6be198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f92ee48b08d975746bb5f48bc92bfafc1df3ef3084d2f78a45ccf18f6be198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f92ee48b08d975746bb5f48bc92bfafc1df3ef3084d2f78a45ccf18f6be198", kill_on_drop: false }`
[INFO] [stdout] 80f92ee48b08d975746bb5f48bc92bfafc1df3ef3084d2f78a45ccf18f6be198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1b454e58a7da3be8d7b62eb1632590ab3afd5bc10fcfd84eac0796b8b93fdfcf
[INFO] running `Command { std: "docker" "start" "-a" "1b454e58a7da3be8d7b62eb1632590ab3afd5bc10fcfd84eac0796b8b93fdfcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling ngrex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `Command { std: "docker" "inspect" "1b454e58a7da3be8d7b62eb1632590ab3afd5bc10fcfd84eac0796b8b93fdfcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b454e58a7da3be8d7b62eb1632590ab3afd5bc10fcfd84eac0796b8b93fdfcf", kill_on_drop: false }`
[INFO] [stdout] 1b454e58a7da3be8d7b62eb1632590ab3afd5bc10fcfd84eac0796b8b93fdfcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 31d5e1aa7b2853c6b1e2d24b68f4f4e964bc354d0bf3d9afa498dcc806ff207d
[INFO] running `Command { std: "docker" "start" "-a" "31d5e1aa7b2853c6b1e2d24b68f4f4e964bc354d0bf3d9afa498dcc806ff207d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ngrex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "31d5e1aa7b2853c6b1e2d24b68f4f4e964bc354d0bf3d9afa498dcc806ff207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d5e1aa7b2853c6b1e2d24b68f4f4e964bc354d0bf3d9afa498dcc806ff207d", kill_on_drop: false }`
[INFO] [stdout] 31d5e1aa7b2853c6b1e2d24b68f4f4e964bc354d0bf3d9afa498dcc806ff207d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 099a8cb27b92cae2815167703bc52eec13cd90bfb09878a4dce7d9f8946762ed
[INFO] running `Command { std: "docker" "start" "-a" "099a8cb27b92cae2815167703bc52eec13cd90bfb09878a4dce7d9f8946762ed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ngrex-d66e35ba4bdef85c)
[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" "099a8cb27b92cae2815167703bc52eec13cd90bfb09878a4dce7d9f8946762ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099a8cb27b92cae2815167703bc52eec13cd90bfb09878a4dce7d9f8946762ed", kill_on_drop: false }`
[INFO] [stdout] 099a8cb27b92cae2815167703bc52eec13cd90bfb09878a4dce7d9f8946762ed