[INFO] fetching crate unlink 0.0.0-pre-release3.1...
[INFO] building unlink-0.0.0-pre-release3.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate unlink 0.0.0-pre-release3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate unlink 0.0.0-pre-release3.1
[INFO] finished tweaking crates.io crate unlink 0.0.0-pre-release3.1
[INFO] tweaked toml for crates.io crate unlink 0.0.0-pre-release3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unlink 0.0.0-pre-release3.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--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 haphazard v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f659bd8b20b754f2d18fa415d981d17582728e4315fa5a28cdf7fcafc77e33b
[INFO] running `Command { std: "docker" "start" "-a" "9f659bd8b20b754f2d18fa415d981d17582728e4315fa5a28cdf7fcafc77e33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f659bd8b20b754f2d18fa415d981d17582728e4315fa5a28cdf7fcafc77e33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f659bd8b20b754f2d18fa415d981d17582728e4315fa5a28cdf7fcafc77e33b", kill_on_drop: false }`
[INFO] [stdout] 9f659bd8b20b754f2d18fa415d981d17582728e4315fa5a28cdf7fcafc77e33b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97243e7bace6bfd3e561c4bb252923910d0fa38202fe04eabee6c78120e4039
[INFO] running `Command { std: "docker" "start" "-a" "d97243e7bace6bfd3e561c4bb252923910d0fa38202fe04eabee6c78120e4039", kill_on_drop: false }`
[INFO] [stderr]    Compiling haphazard v0.1.8
[INFO] [stderr]    Compiling unlink v0.0.0-pre-release3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/base.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CountOnDrop` is never constructed
[INFO] [stdout]    --> src/base.rs:328:12
[INFO] [stdout]     |
[INFO] [stdout] 328 |     struct CountOnDrop<V> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "d97243e7bace6bfd3e561c4bb252923910d0fa38202fe04eabee6c78120e4039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97243e7bace6bfd3e561c4bb252923910d0fa38202fe04eabee6c78120e4039", kill_on_drop: false }`
[INFO] [stdout] d97243e7bace6bfd3e561c4bb252923910d0fa38202fe04eabee6c78120e4039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb752faf221949c155945c5d7044981999fd6d35a31ec5b70a174c3cc773f077
[INFO] running `Command { std: "docker" "start" "-a" "bb752faf221949c155945c5d7044981999fd6d35a31ec5b70a174c3cc773f077", kill_on_drop: false }`
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/base.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CountOnDrop` is never constructed
[INFO] [stdout]    --> src/base.rs:328:12
[INFO] [stdout]     |
[INFO] [stdout] 328 |     struct CountOnDrop<V> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling unlink v0.0.0-pre-release3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/base.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "bb752faf221949c155945c5d7044981999fd6d35a31ec5b70a174c3cc773f077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb752faf221949c155945c5d7044981999fd6d35a31ec5b70a174c3cc773f077", kill_on_drop: false }`
[INFO] [stdout] bb752faf221949c155945c5d7044981999fd6d35a31ec5b70a174c3cc773f077