[INFO] fetching crate blocking 1.6.2...
[INFO] testing blocking-1.6.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate blocking 1.6.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate blocking 1.6.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate blocking 1.6.2
[INFO] tweaked toml for crates.io crate blocking 1.6.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blocking 1.6.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate blocking 1.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b50b245024f5e3b16b8e8c65b4769192e134c8c45d847358d2d2377b291f7d89
[INFO] running `Command { std: "docker" "start" "-a" "b50b245024f5e3b16b8e8c65b4769192e134c8c45d847358d2d2377b291f7d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50b245024f5e3b16b8e8c65b4769192e134c8c45d847358d2d2377b291f7d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50b245024f5e3b16b8e8c65b4769192e134c8c45d847358d2d2377b291f7d89", kill_on_drop: false }`
[INFO] [stdout] b50b245024f5e3b16b8e8c65b4769192e134c8c45d847358d2d2377b291f7d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4a7b9843a736cbe8cb70d3b065f2089c3513a1fb24718e256a8c8bfdf9210d6
[INFO] running `Command { std: "docker" "start" "-a" "c4a7b9843a736cbe8cb70d3b065f2089c3513a1fb24718e256a8c8bfdf9210d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.4.0
[INFO] [stderr]    Compiling blocking v1.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "c4a7b9843a736cbe8cb70d3b065f2089c3513a1fb24718e256a8c8bfdf9210d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a7b9843a736cbe8cb70d3b065f2089c3513a1fb24718e256a8c8bfdf9210d6", kill_on_drop: false }`
[INFO] [stdout] c4a7b9843a736cbe8cb70d3b065f2089c3513a1fb24718e256a8c8bfdf9210d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8232c9c640cea1e33a6b3e82041a600ce5525a651032da7c4080792ca3f187d3
[INFO] running `Command { std: "docker" "start" "-a" "8232c9c640cea1e33a6b3e82041a600ce5525a651032da7c4080792ca3f187d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling blocking v1.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "8232c9c640cea1e33a6b3e82041a600ce5525a651032da7c4080792ca3f187d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8232c9c640cea1e33a6b3e82041a600ce5525a651032da7c4080792ca3f187d3", kill_on_drop: false }`
[INFO] [stdout] 8232c9c640cea1e33a6b3e82041a600ce5525a651032da7c4080792ca3f187d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4f5741bc09d3074039e3be1bf4d3cda25f3ce9929748b4f40a20ad71acadbde
[INFO] running `Command { std: "docker" "start" "-a" "b4f5741bc09d3074039e3be1bf4d3cda25f3ce9929748b4f40a20ad71acadbde", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blocking-44c60701602f2bb9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_max_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unblock.rs (/opt/rustwide/target/debug/deps/unblock-c69d00429d583bab)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test seek ... ok
[INFO] [stdout] test panic ... ok
[INFO] [stdout] test panic_with_mut ... ok
[INFO] [stdout] test chan ... ok
[INFO] [stdout] test write ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] test sleep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocking
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - Unblock<T>::get_mut (line 502) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 26) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_capacity (line 483) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 69) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::new (line 457) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 373) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 54) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_mut (line 534) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::into_inner (line 586) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 362) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock (line 437) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4f5741bc09d3074039e3be1bf4d3cda25f3ce9929748b4f40a20ad71acadbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f5741bc09d3074039e3be1bf4d3cda25f3ce9929748b4f40a20ad71acadbde", kill_on_drop: false }`
[INFO] [stdout] b4f5741bc09d3074039e3be1bf4d3cda25f3ce9929748b4f40a20ad71acadbde