[INFO] fetching crate atomic_lib 0.22.3...
[INFO] checking atomic_lib-0.22.3 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate atomic_lib 0.22.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate atomic_lib 0.22.3 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic_lib 0.22.3
[INFO] finished tweaking crates.io crate atomic_lib 0.22.3
[INFO] tweaked toml for crates.io crate atomic_lib 0.22.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate atomic_lib 0.22.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5634a1d703b42c6fa3e4e48c8ebe6bd5fd4867e3a412cdfb3021963b403f4a5
[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" "f5634a1d703b42c6fa3e4e48c8ebe6bd5fd4867e3a412cdfb3021963b403f4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5634a1d703b42c6fa3e4e48c8ebe6bd5fd4867e3a412cdfb3021963b403f4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5634a1d703b42c6fa3e4e48c8ebe6bd5fd4867e3a412cdfb3021963b403f4a5", kill_on_drop: false }`
[INFO] [stdout] f5634a1d703b42c6fa3e4e48c8ebe6bd5fd4867e3a412cdfb3021963b403f4a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd036f957e18e3c8b4c66092ca3691ea86d63bde1dcde84edc1926f778c1a64
[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" "9cd036f957e18e3c8b4c66092ca3691ea86d63bde1dcde84edc1926f778c1a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking ureq v1.5.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking atomic_lib v0.22.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]     Checking ntest v0.7.3
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/serialize.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 51.05s
[INFO] running `Command { std: "docker" "inspect" "9cd036f957e18e3c8b4c66092ca3691ea86d63bde1dcde84edc1926f778c1a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd036f957e18e3c8b4c66092ca3691ea86d63bde1dcde84edc1926f778c1a64", kill_on_drop: false }`
[INFO] [stdout] 9cd036f957e18e3c8b4c66092ca3691ea86d63bde1dcde84edc1926f778c1a64