[INFO] fetching crate toolbelt 0.0.2...
[INFO] testing toolbelt-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate toolbelt 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate toolbelt 0.0.2 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 toolbelt 0.0.2
[INFO] finished tweaking crates.io crate toolbelt 0.0.2
[INFO] tweaked toml for crates.io crate toolbelt 0.0.2 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] [stdout] 06b39ac7b77fc978e11deab402c6fbbe21d30ebc86f41f12f8bafd49dbf5a048
[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" "06b39ac7b77fc978e11deab402c6fbbe21d30ebc86f41f12f8bafd49dbf5a048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b39ac7b77fc978e11deab402c6fbbe21d30ebc86f41f12f8bafd49dbf5a048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b39ac7b77fc978e11deab402c6fbbe21d30ebc86f41f12f8bafd49dbf5a048", kill_on_drop: false }`
[INFO] [stdout] 06b39ac7b77fc978e11deab402c6fbbe21d30ebc86f41f12f8bafd49dbf5a048
[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] [stdout] c8a9a25e7f028a3b09adf7e845791ca0858f6b93eff6869f2be28f31f096e3f4
[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" "c8a9a25e7f028a3b09adf7e845791ca0858f6b93eff6869f2be28f31f096e3f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling noise v0.6.0
[INFO] [stderr]    Compiling toolbelt v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "c8a9a25e7f028a3b09adf7e845791ca0858f6b93eff6869f2be28f31f096e3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a9a25e7f028a3b09adf7e845791ca0858f6b93eff6869f2be28f31f096e3f4", kill_on_drop: false }`
[INFO] [stdout] c8a9a25e7f028a3b09adf7e845791ca0858f6b93eff6869f2be28f31f096e3f4
[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] e7e5984811a43ac94d2e0c7620e8544db8183d7e32baf3121f9f707481e47034
[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" "e7e5984811a43ac94d2e0c7620e8544db8183d7e32baf3121f9f707481e47034", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolbelt v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "e7e5984811a43ac94d2e0c7620e8544db8183d7e32baf3121f9f707481e47034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e5984811a43ac94d2e0c7620e8544db8183d7e32baf3121f9f707481e47034", kill_on_drop: false }`
[INFO] [stdout] e7e5984811a43ac94d2e0c7620e8544db8183d7e32baf3121f9f707481e47034
[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] [stdout] bfac11d58f7f751d4b9f8bcff1c8e6b9bdbb16a212c2482f1386e2403c2eaf03
[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" "bfac11d58f7f751d4b9f8bcff1c8e6b9bdbb16a212c2482f1386e2403c2eaf03", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toolbelt-6ea9fe1a2cf0b285)
[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]    Doc-tests toolbelt
[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" "bfac11d58f7f751d4b9f8bcff1c8e6b9bdbb16a212c2482f1386e2403c2eaf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfac11d58f7f751d4b9f8bcff1c8e6b9bdbb16a212c2482f1386e2403c2eaf03", kill_on_drop: false }`
[INFO] [stdout] bfac11d58f7f751d4b9f8bcff1c8e6b9bdbb16a212c2482f1386e2403c2eaf03