[INFO] fetching crate nolock 0.4.0...
[INFO] building nolock-0.4.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate nolock 0.4.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate nolock 0.4.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nolock 0.4.0
[INFO] finished tweaking crates.io crate nolock 0.4.0
[INFO] tweaked toml for crates.io crate nolock 0.4.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate nolock 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.8.0
[INFO] [stderr]   Downloaded symbolic-common v8.6.1
[INFO] [stderr]   Downloaded pprof v0.3.23
[INFO] [stderr]   Downloaded symbolic-demangle v8.6.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e1a71d91a30ba5c8be8450ccef586cf9eb7cafb76fd8a617106c5b74310125a
[INFO] running `Command { std: "docker" "start" "-a" "4e1a71d91a30ba5c8be8450ccef586cf9eb7cafb76fd8a617106c5b74310125a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e1a71d91a30ba5c8be8450ccef586cf9eb7cafb76fd8a617106c5b74310125a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1a71d91a30ba5c8be8450ccef586cf9eb7cafb76fd8a617106c5b74310125a", kill_on_drop: false }`
[INFO] [stdout] 4e1a71d91a30ba5c8be8450ccef586cf9eb7cafb76fd8a617106c5b74310125a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e3166abb245154c1d715547af1ad4de3045c5c155db97f9b5d020499acd394
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[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
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[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling nolock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "62e3166abb245154c1d715547af1ad4de3045c5c155db97f9b5d020499acd394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e3166abb245154c1d715547af1ad4de3045c5c155db97f9b5d020499acd394", kill_on_drop: false }`
[INFO] [stdout] 62e3166abb245154c1d715547af1ad4de3045c5c155db97f9b5d020499acd394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e1e7c2b64f1d6b4e4bfc81aeaabf2721e2e53125fc0066ba2e8116aa7f9d5b
[INFO] running `Command { std: "docker" "start" "-a" "a2e1e7c2b64f1d6b4e4bfc81aeaabf2721e2e53125fc0066ba2e8116aa7f9d5b", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]    Compiling libc v0.2.120
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[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling nolock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `sync::Arc`, `thread`, `time::Duration`
[INFO] [stdout]  --> tests/hash_trie.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::Arc, thread, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> tests/hash_trie.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> tests/hazard_ptr.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     unsafe {
[INFO] [stdout]    |     ------ because it's nested under this `unsafe` block
[INFO] [stdout] 19 |         global.retire(initial_ptr, |ptr| {
[INFO] [stdout] 20 |             let ref_cell = unsafe { &*ptr };
[INFO] [stdout]    |                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/nolock-015693c836c578b0)
[INFO] [stderr]   Executable tests/hash_trie.rs (/opt/rustwide/target/debug/deps/hash_trie-a784da8bacda88df)
[INFO] [stderr]   Executable tests/hazard_ptr.rs (/opt/rustwide/target/debug/deps/hazard_ptr-6d411ac74f903398)
[INFO] [stderr]   Executable tests/lrmalloc.rs (/opt/rustwide/target/debug/deps/lrmalloc-eb55abf3c2144177)
[INFO] running `Command { std: "docker" "inspect" "a2e1e7c2b64f1d6b4e4bfc81aeaabf2721e2e53125fc0066ba2e8116aa7f9d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e1e7c2b64f1d6b4e4bfc81aeaabf2721e2e53125fc0066ba2e8116aa7f9d5b", kill_on_drop: false }`
[INFO] [stdout] a2e1e7c2b64f1d6b4e4bfc81aeaabf2721e2e53125fc0066ba2e8116aa7f9d5b