[INFO] fetching crate atomic_hooks 0.1.0...
[INFO] checking atomic_hooks-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate atomic_hooks 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate atomic_hooks 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic_hooks 0.1.0
[INFO] finished tweaking crates.io crate atomic_hooks 0.1.0
[INFO] tweaked toml for crates.io crate atomic_hooks 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 617209b239e4ae9029a6f5d0594babd1b1f38de39d630d89aa686ec8c0ba93fd
[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" "617209b239e4ae9029a6f5d0594babd1b1f38de39d630d89aa686ec8c0ba93fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617209b239e4ae9029a6f5d0594babd1b1f38de39d630d89aa686ec8c0ba93fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617209b239e4ae9029a6f5d0594babd1b1f38de39d630d89aa686ec8c0ba93fd", kill_on_drop: false }`
[INFO] [stdout] 617209b239e4ae9029a6f5d0594babd1b1f38de39d630d89aa686ec8c0ba93fd
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 051cc0fffe829823a8b8e62494da5d9f673867d41e55b1e6333fcd76e0cd90c2
[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" "051cc0fffe829823a8b8e62494da5d9f673867d41e55b1e6333fcd76e0cd90c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling syn-mid v0.5.1
[INFO] [stderr]    Compiling darling_core v0.10.3
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.10.3
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]    Compiling darling v0.10.3
[INFO] [stderr]     Checking illicit v0.9.2
[INFO] [stderr]     Checking topo v0.9.4
[INFO] [stderr]    Compiling atomic_hooks_macros v0.1.3
[INFO] [stderr]     Checking atomic_hooks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.38s
[INFO] running `Command { std: "docker" "inspect" "051cc0fffe829823a8b8e62494da5d9f673867d41e55b1e6333fcd76e0cd90c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051cc0fffe829823a8b8e62494da5d9f673867d41e55b1e6333fcd76e0cd90c2", kill_on_drop: false }`
[INFO] [stdout] 051cc0fffe829823a8b8e62494da5d9f673867d41e55b1e6333fcd76e0cd90c2