[INFO] fetching crate unlink 0.0.0-pre-release3.1...
[INFO] testing unlink-0.0.0-pre-release3.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[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 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.3
[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[INFO] [stderr]   Downloaded matchers v0.2.0
[INFO] [stderr]   Downloaded generator v0.8.8
[INFO] [stderr]   Downloaded lockfree v0.5.1
[INFO] [stderr]   Downloaded haphazard v0.1.8
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded scoped-tls v1.0.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211a3cbc30b040f2ca78f79b3919a30f8f1d2de061044fd796e1aac2f9001a75
[INFO] running `Command { std: "docker" "start" "-a" "211a3cbc30b040f2ca78f79b3919a30f8f1d2de061044fd796e1aac2f9001a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211a3cbc30b040f2ca78f79b3919a30f8f1d2de061044fd796e1aac2f9001a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211a3cbc30b040f2ca78f79b3919a30f8f1d2de061044fd796e1aac2f9001a75", kill_on_drop: false }`
[INFO] [stdout] 211a3cbc30b040f2ca78f79b3919a30f8f1d2de061044fd796e1aac2f9001a75
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cde6e0457d8ad1d851300ed1785d63c0f194719c8018e16d7dfadecde5a6c2b
[INFO] running `Command { std: "docker" "start" "-a" "5cde6e0457d8ad1d851300ed1785d63c0f194719c8018e16d7dfadecde5a6c2b", 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "5cde6e0457d8ad1d851300ed1785d63c0f194719c8018e16d7dfadecde5a6c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cde6e0457d8ad1d851300ed1785d63c0f194719c8018e16d7dfadecde5a6c2b", kill_on_drop: false }`
[INFO] [stdout] 5cde6e0457d8ad1d851300ed1785d63c0f194719c8018e16d7dfadecde5a6c2b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab91e6650fe5e51e57717a8c6dd652fd320e89def39f18b82207e7aa4f08b04
[INFO] running `Command { std: "docker" "start" "-a" "6ab91e6650fe5e51e57717a8c6dd652fd320e89def39f18b82207e7aa4f08b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling zerocopy v0.8.48
[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 getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[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 9.08s
[INFO] running `Command { std: "docker" "inspect" "6ab91e6650fe5e51e57717a8c6dd652fd320e89def39f18b82207e7aa4f08b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab91e6650fe5e51e57717a8c6dd652fd320e89def39f18b82207e7aa4f08b04", kill_on_drop: false }`
[INFO] [stdout] 6ab91e6650fe5e51e57717a8c6dd652fd320e89def39f18b82207e7aa4f08b04
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d48f816a467e6c04098273a58fa3b83375ba917f7110b9acc3086f653a5eff0
[INFO] running `Command { std: "docker" "start" "-a" "7d48f816a467e6c04098273a58fa3b83375ba917f7110b9acc3086f653a5eff0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]    --> src/base.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |     use std::thread;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CountOnDrop` is never constructed
[INFO] [stderr]    --> src/base.rs:328:12
[INFO] [stderr]     |
[INFO] [stderr] 328 |     struct CountOnDrop<V> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unlink` (lib) generated 2 warnings (run `cargo fix --lib -p unlink` to apply 1 suggestion)
[INFO] [stderr] warning: `unlink` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unlink-89dcf3fe0e25bf92)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test base::test::test_push_front ... ok
[INFO] [stdout] test base::test::test_new_node ... ok
[INFO] [stdout] test base::test::test_append ... ok
[INFO] [stdout] test base::test::test_hazard ... ok
[INFO] [stderr]    Doc-tests unlink
[INFO] [stdout] test base::test::test_push_pop_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d48f816a467e6c04098273a58fa3b83375ba917f7110b9acc3086f653a5eff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d48f816a467e6c04098273a58fa3b83375ba917f7110b9acc3086f653a5eff0", kill_on_drop: false }`
[INFO] [stdout] 7d48f816a467e6c04098273a58fa3b83375ba917f7110b9acc3086f653a5eff0