[INFO] cloning repository https://github.com/andrewwhitehead/suspend-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewwhitehead/suspend-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwhitehead%2Fsuspend-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwhitehead%2Fsuspend-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8acdf983e10f56746a5c232101b1969ac8a78ecf
[INFO] checking andrewwhitehead/suspend-rs against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewwhitehead%2Fsuspend-rs" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewwhitehead/suspend-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewwhitehead/suspend-rs
[INFO] finished tweaking git repo https://github.com/andrewwhitehead/suspend-rs
[INFO] tweaked toml for git repo https://github.com/andrewwhitehead/suspend-rs written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0049e18de449cc53fbee434f71b53da7debb0fd2b4de1ea29d8f0df9734a28
[INFO] running `Command { std: "docker" "start" "-a" "ac0049e18de449cc53fbee434f71b53da7debb0fd2b4de1ea29d8f0df9734a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0049e18de449cc53fbee434f71b53da7debb0fd2b4de1ea29d8f0df9734a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0049e18de449cc53fbee434f71b53da7debb0fd2b4de1ea29d8f0df9734a28", kill_on_drop: false }`
[INFO] [stdout] ac0049e18de449cc53fbee434f71b53da7debb0fd2b4de1ea29d8f0df9734a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0e8b37904b4a3f3fbf3375d8ce5447883454b4264801b2d2009aab15a2d1161
[INFO] running `Command { std: "docker" "start" "-a" "e0e8b37904b4a3f3fbf3375d8ce5447883454b4264801b2d2009aab15a2d1161", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking maybe-cell v0.1.1 (/opt/rustwide/workdir/maybe-cell)
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking suspend-core v0.1.0 (/opt/rustwide/workdir/suspend-core)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stdout] warning: unused import: `ParkResult`
[INFO] [stdout]   --> suspend-core/src/raw_park/futex.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::types::{Expiry, ParkResult};
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `park` has an incompatible type for trait
[INFO] [stdout]   --> suspend-core/src/raw_park/futex.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn park(&self, timeout: Expiry) -> Result<Option<bool>, LockError> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        expected enum `ParkResult`, found enum `Option`
[INFO] [stdout]    |                                        help: change the output type to match the trait: `Result<ParkResult, LockError>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: suspend-core/src/raw_park/mod.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn park(&self, timeout: Expiry) -> Result<ParkResult, LockError>;
[INFO] [stdout]    |                                        ----------------------------- type in trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&futex::ParkImpl, Expiry) -> Result<ParkResult, _>`
[INFO] [stdout]               found fn pointer `fn(&futex::ParkImpl, Expiry) -> Result<Option<bool>, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `suspend-core` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e0e8b37904b4a3f3fbf3375d8ce5447883454b4264801b2d2009aab15a2d1161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e8b37904b4a3f3fbf3375d8ce5447883454b4264801b2d2009aab15a2d1161", kill_on_drop: false }`
[INFO] [stdout] e0e8b37904b4a3f3fbf3375d8ce5447883454b4264801b2d2009aab15a2d1161
