[INFO] fetching crate event-listener 2.5.1...
[INFO] checking event-listener-2.5.1 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate event-listener 2.5.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate event-listener 2.5.1 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event-listener 2.5.1
[INFO] finished tweaking crates.io crate event-listener 2.5.1
[INFO] tweaked toml for crates.io crate event-listener 2.5.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate event-listener 2.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] 277a9554f2b26ea12cf50737eddd9c66d2fbd968646a0602ae4b42721c1a13b6
[INFO] running `Command { std: "docker" "start" "-a" "277a9554f2b26ea12cf50737eddd9c66d2fbd968646a0602ae4b42721c1a13b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277a9554f2b26ea12cf50737eddd9c66d2fbd968646a0602ae4b42721c1a13b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277a9554f2b26ea12cf50737eddd9c66d2fbd968646a0602ae4b42721c1a13b6", kill_on_drop: false }`
[INFO] [stdout] 277a9554f2b26ea12cf50737eddd9c66d2fbd968646a0602ae4b42721c1a13b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] cc632322052ab8bd61bbc24be68f5ad201da2a53072eb3eac296fe4d2552b0c4
[INFO] running `Command { std: "docker" "start" "-a" "cc632322052ab8bd61bbc24be68f5ad201da2a53072eb3eac296fe4d2552b0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.50s
[INFO] running `Command { std: "docker" "inspect" "cc632322052ab8bd61bbc24be68f5ad201da2a53072eb3eac296fe4d2552b0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc632322052ab8bd61bbc24be68f5ad201da2a53072eb3eac296fe4d2552b0c4", kill_on_drop: false }`
[INFO] [stdout] cc632322052ab8bd61bbc24be68f5ad201da2a53072eb3eac296fe4d2552b0c4