[INFO] fetching crate waithandle 0.4.0...
[INFO] checking waithandle-0.4.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate waithandle 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate waithandle 0.4.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waithandle 0.4.0
[INFO] finished tweaking crates.io crate waithandle 0.4.0
[INFO] tweaked toml for crates.io crate waithandle 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate waithandle 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] dc5c3222e1be8778c2beac30a5ccbe4c173e4da62edc8543ae04c02342662ab7
[INFO] running `Command { std: "docker" "start" "-a" "dc5c3222e1be8778c2beac30a5ccbe4c173e4da62edc8543ae04c02342662ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc5c3222e1be8778c2beac30a5ccbe4c173e4da62edc8543ae04c02342662ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5c3222e1be8778c2beac30a5ccbe4c173e4da62edc8543ae04c02342662ab7", kill_on_drop: false }`
[INFO] [stdout] dc5c3222e1be8778c2beac30a5ccbe4c173e4da62edc8543ae04c02342662ab7
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab4fe7bca2ff63c3e217e0821cc033271d4fc908c6ea405a1c09d80a1ddb50f1
[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" "ab4fe7bca2ff63c3e217e0821cc033271d4fc908c6ea405a1c09d80a1ddb50f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]     Checking waithandle v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking plotters v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.59s
[INFO] running `Command { std: "docker" "inspect" "ab4fe7bca2ff63c3e217e0821cc033271d4fc908c6ea405a1c09d80a1ddb50f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4fe7bca2ff63c3e217e0821cc033271d4fc908c6ea405a1c09d80a1ddb50f1", kill_on_drop: false }`
[INFO] [stdout] ab4fe7bca2ff63c3e217e0821cc033271d4fc908c6ea405a1c09d80a1ddb50f1