[INFO] fetching crate wq 0.0.4...
[INFO] checking wq-0.0.4 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate wq 0.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wq 0.0.4 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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-7/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] fa1f9a30f08b45cb14e9aa90f3991ed24f7542dffe83fb54de3769e8e390fbde
[INFO] running `Command { std: "docker" "start" "-a" "fa1f9a30f08b45cb14e9aa90f3991ed24f7542dffe83fb54de3769e8e390fbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa1f9a30f08b45cb14e9aa90f3991ed24f7542dffe83fb54de3769e8e390fbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1f9a30f08b45cb14e9aa90f3991ed24f7542dffe83fb54de3769e8e390fbde", kill_on_drop: false }`
[INFO] [stdout] fa1f9a30f08b45cb14e9aa90f3991ed24f7542dffe83fb54de3769e8e390fbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b512c4ec0e8400de2fa3900b4b16ad8e6c6e3c128b28f9a0054a775046ad90
[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" "a0b512c4ec0e8400de2fa3900b4b16ad8e6c6e3c128b28f9a0054a775046ad90", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking webassembly v0.8.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking watson v0.9.1
[INFO] [stderr]     Checking wq v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.65s
[INFO] running `Command { std: "docker" "inspect" "a0b512c4ec0e8400de2fa3900b4b16ad8e6c6e3c128b28f9a0054a775046ad90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b512c4ec0e8400de2fa3900b4b16ad8e6c6e3c128b28f9a0054a775046ad90", kill_on_drop: false }`
[INFO] [stdout] a0b512c4ec0e8400de2fa3900b4b16ad8e6c6e3c128b28f9a0054a775046ad90