[INFO] fetching crate join-handle 0.0.0...
[INFO] testing join-handle-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate join-handle 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate join-handle 0.0.0 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 join-handle 0.0.0
[INFO] finished tweaking crates.io crate join-handle 0.0.0
[INFO] tweaked toml for crates.io crate join-handle 0.0.0 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 919ea033706598dd6accda75fed24909cc14d097dce5b3856c7f2000273c4ae3
[INFO] running `Command { std: "docker" "start" "-a" "919ea033706598dd6accda75fed24909cc14d097dce5b3856c7f2000273c4ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "919ea033706598dd6accda75fed24909cc14d097dce5b3856c7f2000273c4ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919ea033706598dd6accda75fed24909cc14d097dce5b3856c7f2000273c4ae3", kill_on_drop: false }`
[INFO] [stdout] 919ea033706598dd6accda75fed24909cc14d097dce5b3856c7f2000273c4ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 72e4c770483ff4b4e74e54b5e1105715535095f42c8a2b93e1a424bdbedccf93
[INFO] running `Command { std: "docker" "start" "-a" "72e4c770483ff4b4e74e54b5e1105715535095f42c8a2b93e1a424bdbedccf93", kill_on_drop: false }`
[INFO] [stderr]    Compiling join-handle v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "72e4c770483ff4b4e74e54b5e1105715535095f42c8a2b93e1a424bdbedccf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e4c770483ff4b4e74e54b5e1105715535095f42c8a2b93e1a424bdbedccf93", kill_on_drop: false }`
[INFO] [stdout] 72e4c770483ff4b4e74e54b5e1105715535095f42c8a2b93e1a424bdbedccf93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 870240e658df3ecb4f32597962932e7af9292367d43436273afe9b7eb7baebc8
[INFO] running `Command { std: "docker" "start" "-a" "870240e658df3ecb4f32597962932e7af9292367d43436273afe9b7eb7baebc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling join-handle v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "870240e658df3ecb4f32597962932e7af9292367d43436273afe9b7eb7baebc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870240e658df3ecb4f32597962932e7af9292367d43436273afe9b7eb7baebc8", kill_on_drop: false }`
[INFO] [stdout] 870240e658df3ecb4f32597962932e7af9292367d43436273afe9b7eb7baebc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6228fb9de210e06ba4b1c0ed486bd130788acae941f43847110dec4571eda46d
[INFO] running `Command { std: "docker" "start" "-a" "6228fb9de210e06ba4b1c0ed486bd130788acae941f43847110dec4571eda46d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/join_handle-19e672cef8a1fd4b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests join-handle
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6228fb9de210e06ba4b1c0ed486bd130788acae941f43847110dec4571eda46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6228fb9de210e06ba4b1c0ed486bd130788acae941f43847110dec4571eda46d", kill_on_drop: false }`
[INFO] [stdout] 6228fb9de210e06ba4b1c0ed486bd130788acae941f43847110dec4571eda46d