[INFO] fetching crate ergo_sync 0.1.0...
[INFO] checking ergo_sync-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate ergo_sync 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ergo_sync 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded rayon v0.9.0
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.1.3
[INFO] [stderr]   Downloaded rayon-core v1.8.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.3.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded taken v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a85346845721b5449c409557b6ca4825b25adfc3862e20e84d272dca7503ab
[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" "c6a85346845721b5449c409557b6ca4825b25adfc3862e20e84d272dca7503ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a85346845721b5449c409557b6ca4825b25adfc3862e20e84d272dca7503ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a85346845721b5449c409557b6ca4825b25adfc3862e20e84d272dca7503ab", kill_on_drop: false }`
[INFO] [stdout] c6a85346845721b5449c409557b6ca4825b25adfc3862e20e84d272dca7503ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94e07199c412f7284c89a202c1078260008abba338de15719d825e26362f9b40
[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" "94e07199c412f7284c89a202c1078260008abba338de15719d825e26362f9b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[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 crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch 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 v1.8.1
[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 9.90s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94e07199c412f7284c89a202c1078260008abba338de15719d825e26362f9b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e07199c412f7284c89a202c1078260008abba338de15719d825e26362f9b40", kill_on_drop: false }`
[INFO] [stdout] 94e07199c412f7284c89a202c1078260008abba338de15719d825e26362f9b40