[INFO] fetching crate ergo_sync 0.1.0...
[INFO] checking ergo_sync-0.1.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate ergo_sync 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ergo_sync 0.1.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo_sync 0.1.0
[INFO] finished tweaking crates.io crate ergo_sync 0.1.0
[INFO] tweaked toml for crates.io crate ergo_sync 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb1c8756ea53f038a6bd409fc08e09b722fd8eb9e6e959a3b533918fff5bcb30
[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" "fb1c8756ea53f038a6bd409fc08e09b722fd8eb9e6e959a3b533918fff5bcb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb1c8756ea53f038a6bd409fc08e09b722fd8eb9e6e959a3b533918fff5bcb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1c8756ea53f038a6bd409fc08e09b722fd8eb9e6e959a3b533918fff5bcb30", kill_on_drop: false }`
[INFO] [stdout] fb1c8756ea53f038a6bd409fc08e09b722fd8eb9e6e959a3b533918fff5bcb30
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c50f1387b9378c66bd328dadebfe63e7b278413832a99b4d3807e388a088ce5
[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" "5c50f1387b9378c66bd328dadebfe63e7b278413832a99b4d3807e388a088ce5", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking taken v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking ergo_sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std_prelude::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:276:77
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub use std_prelude::{AtomicBool, AtomicIsize, AtomicOrdering, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stdout] warning: use of deprecated constant `std_prelude::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:276:77
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub use std_prelude::{AtomicBool, AtomicIsize, AtomicOrdering, AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.10s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c50f1387b9378c66bd328dadebfe63e7b278413832a99b4d3807e388a088ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c50f1387b9378c66bd328dadebfe63e7b278413832a99b4d3807e388a088ce5", kill_on_drop: false }`
[INFO] [stdout] 5c50f1387b9378c66bd328dadebfe63e7b278413832a99b4d3807e388a088ce5