[INFO] fetching crate pueue 0.4.0...
[INFO] checking pueue-0.4.0 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate pueue 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pueue 0.4.0 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pueue 0.4.0
[INFO] finished tweaking crates.io crate pueue 0.4.0
[INFO] tweaked toml for crates.io crate pueue 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pueue 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 113d441c59df143a49f4da2790f6e8d079e99874f7d5e261b24552987810e66e
[INFO] running `"docker" "start" "-a" "113d441c59df143a49f4da2790f6e8d079e99874f7d5e261b24552987810e66e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling scanlex v0.1.2
[INFO] [stderr]    Compiling snap v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking chrono-english v0.1.4
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling pueue v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling comfy-table v0.1.0
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> shared/protocol.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             chunk.split_off(received_bytes);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> shared/protocol.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             chunk.split_off(received_bytes);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 02s
[INFO] running `"docker" "inspect" "113d441c59df143a49f4da2790f6e8d079e99874f7d5e261b24552987810e66e"`
[INFO] running `"docker" "rm" "-f" "113d441c59df143a49f4da2790f6e8d079e99874f7d5e261b24552987810e66e"`
[INFO] [stdout] 113d441c59df143a49f4da2790f6e8d079e99874f7d5e261b24552987810e66e