[INFO] fetching crate wfqueue 0.2.1...
[INFO] checking wfqueue-0.2.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate wfqueue 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wfqueue 0.2.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wfqueue 0.2.1
[INFO] finished tweaking crates.io crate wfqueue 0.2.1
[INFO] tweaked toml for crates.io crate wfqueue 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate wfqueue 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 7c8efc70ed83f4982b490f5a62490ef2a6dd185f96302fb8966124d7041f4ce9
[INFO] running `Command { std: "docker" "start" "-a" "7c8efc70ed83f4982b490f5a62490ef2a6dd185f96302fb8966124d7041f4ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c8efc70ed83f4982b490f5a62490ef2a6dd185f96302fb8966124d7041f4ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8efc70ed83f4982b490f5a62490ef2a6dd185f96302fb8966124d7041f4ce9", kill_on_drop: false }`
[INFO] [stdout] 7c8efc70ed83f4982b490f5a62490ef2a6dd185f96302fb8966124d7041f4ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b172abf013482fe1a2cd35db90ee698afb4982f2aca043674a5e9ebf54a6a475
[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" "b172abf013482fe1a2cd35db90ee698afb4982f2aca043674a5e9ebf54a6a475", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking per-thread-object v0.4.3
[INFO] [stderr]     Checking wfqueue v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "b172abf013482fe1a2cd35db90ee698afb4982f2aca043674a5e9ebf54a6a475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b172abf013482fe1a2cd35db90ee698afb4982f2aca043674a5e9ebf54a6a475", kill_on_drop: false }`
[INFO] [stdout] b172abf013482fe1a2cd35db90ee698afb4982f2aca043674a5e9ebf54a6a475