[INFO] fetching crate wq 0.0.4...
[INFO] checking wq-0.0.4 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate wq 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wq 0.0.4 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wq 0.0.4
[INFO] finished tweaking crates.io crate wq 0.0.4
[INFO] tweaked toml for crates.io crate wq 0.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate wq 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 7a7fbc22d95eeee3b1683adad39384536aba72207052f1b11a4f336b06150b3d
[INFO] running `Command { std: "docker" "start" "-a" "7a7fbc22d95eeee3b1683adad39384536aba72207052f1b11a4f336b06150b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7fbc22d95eeee3b1683adad39384536aba72207052f1b11a4f336b06150b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7fbc22d95eeee3b1683adad39384536aba72207052f1b11a4f336b06150b3d", kill_on_drop: false }`
[INFO] [stdout] 7a7fbc22d95eeee3b1683adad39384536aba72207052f1b11a4f336b06150b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--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] 851f86d39761a309fc025e9b131b413c40f6a47705bd1b2984b8c2cf3f421d1e
[INFO] running `Command { std: "docker" "start" "-a" "851f86d39761a309fc025e9b131b413c40f6a47705bd1b2984b8c2cf3f421d1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking webassembly v0.8.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking watson v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking wq v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.15s
[INFO] running `Command { std: "docker" "inspect" "851f86d39761a309fc025e9b131b413c40f6a47705bd1b2984b8c2cf3f421d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851f86d39761a309fc025e9b131b413c40f6a47705bd1b2984b8c2cf3f421d1e", kill_on_drop: false }`
[INFO] [stdout] 851f86d39761a309fc025e9b131b413c40f6a47705bd1b2984b8c2cf3f421d1e