[INFO] fetching crate ctx-thread 0.1.1...
[INFO] testing ctx-thread-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ctx-thread 0.1.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate ctx-thread 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctx-thread 0.1.1
[INFO] finished tweaking crates.io crate ctx-thread 0.1.1
[INFO] tweaked toml for crates.io crate ctx-thread 0.1.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b87c33a4803485b6d658b2983697939ce36b99de6eb63e3b5991a88c308b5c0
[INFO] running `Command { std: "docker" "start" "-a" "5b87c33a4803485b6d658b2983697939ce36b99de6eb63e3b5991a88c308b5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b87c33a4803485b6d658b2983697939ce36b99de6eb63e3b5991a88c308b5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b87c33a4803485b6d658b2983697939ce36b99de6eb63e3b5991a88c308b5c0", kill_on_drop: false }`
[INFO] [stdout] 5b87c33a4803485b6d658b2983697939ce36b99de6eb63e3b5991a88c308b5c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d07b30c4d3627940885c49e9eebd39bb7b3d1c7b6cae74d4e6eea91634c8dd9
[INFO] running `Command { std: "docker" "start" "-a" "0d07b30c4d3627940885c49e9eebd39bb7b3d1c7b6cae74d4e6eea91634c8dd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ctx-thread v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "0d07b30c4d3627940885c49e9eebd39bb7b3d1c7b6cae74d4e6eea91634c8dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d07b30c4d3627940885c49e9eebd39bb7b3d1c7b6cae74d4e6eea91634c8dd9", kill_on_drop: false }`
[INFO] [stdout] 0d07b30c4d3627940885c49e9eebd39bb7b3d1c7b6cae74d4e6eea91634c8dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3976d52434a184cb038cda9d59549a7453b0775ce35a17d4f8ada9d188878bda
[INFO] running `Command { std: "docker" "start" "-a" "3976d52434a184cb038cda9d59549a7453b0775ce35a17d4f8ada9d188878bda", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctx-thread v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "3976d52434a184cb038cda9d59549a7453b0775ce35a17d4f8ada9d188878bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3976d52434a184cb038cda9d59549a7453b0775ce35a17d4f8ada9d188878bda", kill_on_drop: false }`
[INFO] [stdout] 3976d52434a184cb038cda9d59549a7453b0775ce35a17d4f8ada9d188878bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53c123d4b7dc7528b6e2e64a9319b01ba11e3b7235f4006502c66a6f98bf42c7
[INFO] running `Command { std: "docker" "start" "-a" "53c123d4b7dc7528b6e2e64a9319b01ba11e3b7235f4006502c66a6f98bf42c7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ctx_thread-7328d528ba4113cf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_cancellation_nested ... ok
[INFO] [stdout] test tests::test_panic_cancellation - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ctx-thread
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - ContextThreadBuilder (line 304) ... ok
[INFO] [stdout] test src/lib.rs - ContextThreadBuilder::spawn (line 368) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - scope (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Context::spawn (line 226) ... ok
[INFO] [stdout] test src/lib.rs - Context::done (line 172) ... ok
[INFO] [stdout] test src/lib.rs - Context::builder (line 263) ... ok
[INFO] [stdout] test src/lib.rs - ContextJoinHandle::join (line 477) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53c123d4b7dc7528b6e2e64a9319b01ba11e3b7235f4006502c66a6f98bf42c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c123d4b7dc7528b6e2e64a9319b01ba11e3b7235f4006502c66a6f98bf42c7", kill_on_drop: false }`
[INFO] [stdout] 53c123d4b7dc7528b6e2e64a9319b01ba11e3b7235f4006502c66a6f98bf42c7