[INFO] fetching crate unlink 0.0.0-pre-release3.1...
[INFO] testing unlink-0.0.0-pre-release3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate unlink 0.0.0-pre-release3.1 into /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unlink 0.0.0-pre-release3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98cec4ee3ae8cdbb543d7053bdbfd1126571b8ae03f81ed9d4cee861051e0a3c
[INFO] running `Command { std: "docker" "start" "-a" "98cec4ee3ae8cdbb543d7053bdbfd1126571b8ae03f81ed9d4cee861051e0a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98cec4ee3ae8cdbb543d7053bdbfd1126571b8ae03f81ed9d4cee861051e0a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cec4ee3ae8cdbb543d7053bdbfd1126571b8ae03f81ed9d4cee861051e0a3c", kill_on_drop: false }`
[INFO] [stdout] 98cec4ee3ae8cdbb543d7053bdbfd1126571b8ae03f81ed9d4cee861051e0a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc694b052e723e6025245de24bce3607f174a6b5d3c2b10269b771721b16b464
[INFO] running `Command { std: "docker" "start" "-a" "cc694b052e723e6025245de24bce3607f174a6b5d3c2b10269b771721b16b464", 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "cc694b052e723e6025245de24bce3607f174a6b5d3c2b10269b771721b16b464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc694b052e723e6025245de24bce3607f174a6b5d3c2b10269b771721b16b464", kill_on_drop: false }`
[INFO] [stdout] cc694b052e723e6025245de24bce3607f174a6b5d3c2b10269b771721b16b464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0f660a4611357a0faa2b77cc6ce5f1b1a525c6387c78e8d1591772db1c0107
[INFO] running `Command { std: "docker" "start" "-a" "ef0f660a4611357a0faa2b77cc6ce5f1b1a525c6387c78e8d1591772db1c0107", 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 1.13s
[INFO] running `Command { std: "docker" "inspect" "ef0f660a4611357a0faa2b77cc6ce5f1b1a525c6387c78e8d1591772db1c0107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0f660a4611357a0faa2b77cc6ce5f1b1a525c6387c78e8d1591772db1c0107", kill_on_drop: false }`
[INFO] [stdout] ef0f660a4611357a0faa2b77cc6ce5f1b1a525c6387c78e8d1591772db1c0107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61c3ae2cc1c481404d30d7d2e81f683a231d044d874896b86760abdbe8ed8cf4
[INFO] running `Command { std: "docker" "start" "-a" "61c3ae2cc1c481404d30d7d2e81f683a231d044d874896b86760abdbe8ed8cf4", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unlink-eba9f4e6e1381ef8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test base::test::test_append ... ok
[INFO] [stdout] test base::test::test_new_node ... ok
[INFO] [stdout] test base::test::test_push_front ... ok
[INFO] [stdout] test base::test::test_hazard ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unlink
[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 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61c3ae2cc1c481404d30d7d2e81f683a231d044d874896b86760abdbe8ed8cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c3ae2cc1c481404d30d7d2e81f683a231d044d874896b86760abdbe8ed8cf4", kill_on_drop: false }`
[INFO] [stdout] 61c3ae2cc1c481404d30d7d2e81f683a231d044d874896b86760abdbe8ed8cf4