[INFO] fetching crate iter_fallback 0.1.2...
[INFO] testing iter_fallback-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate iter_fallback 0.1.2 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate iter_fallback 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter_fallback 0.1.2
[INFO] finished tweaking crates.io crate iter_fallback 0.1.2
[INFO] tweaked toml for crates.io crate iter_fallback 0.1.2 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e080e55b00bbb708136f492c8b3baa23f53486e53fa5c2db30f4f820b2cc48fb
[INFO] running `Command { std: "docker" "start" "-a" "e080e55b00bbb708136f492c8b3baa23f53486e53fa5c2db30f4f820b2cc48fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e080e55b00bbb708136f492c8b3baa23f53486e53fa5c2db30f4f820b2cc48fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e080e55b00bbb708136f492c8b3baa23f53486e53fa5c2db30f4f820b2cc48fb", kill_on_drop: false }`
[INFO] [stdout] e080e55b00bbb708136f492c8b3baa23f53486e53fa5c2db30f4f820b2cc48fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5806ef2a4056fbc191a7d3acb45a27e636d9275531ed88501f22ce9060a7bf
[INFO] running `Command { std: "docker" "start" "-a" "8e5806ef2a4056fbc191a7d3acb45a27e636d9275531ed88501f22ce9060a7bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_fallback v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8e5806ef2a4056fbc191a7d3acb45a27e636d9275531ed88501f22ce9060a7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5806ef2a4056fbc191a7d3acb45a27e636d9275531ed88501f22ce9060a7bf", kill_on_drop: false }`
[INFO] [stdout] 8e5806ef2a4056fbc191a7d3acb45a27e636d9275531ed88501f22ce9060a7bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a91500ee36ce3e2174fd77d2452cfa4f5ea28f3abfc9b392157db8234ccec79
[INFO] running `Command { std: "docker" "start" "-a" "9a91500ee36ce3e2174fd77d2452cfa4f5ea28f3abfc9b392157db8234ccec79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter_fallback v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "9a91500ee36ce3e2174fd77d2452cfa4f5ea28f3abfc9b392157db8234ccec79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a91500ee36ce3e2174fd77d2452cfa4f5ea28f3abfc9b392157db8234ccec79", kill_on_drop: false }`
[INFO] [stdout] 9a91500ee36ce3e2174fd77d2452cfa4f5ea28f3abfc9b392157db8234ccec79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59fb69c8f4080a913031ef9ee4b80100dec9a47fd647c92f446e4dd5e8e65e54
[INFO] running `Command { std: "docker" "start" "-a" "59fb69c8f4080a913031ef9ee4b80100dec9a47fd647c92f446e4dd5e8e65e54", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_fallback-a9121d0e3ac9526c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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]    Doc-tests iter_fallback
[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" "59fb69c8f4080a913031ef9ee4b80100dec9a47fd647c92f446e4dd5e8e65e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59fb69c8f4080a913031ef9ee4b80100dec9a47fd647c92f446e4dd5e8e65e54", kill_on_drop: false }`
[INFO] [stdout] 59fb69c8f4080a913031ef9ee4b80100dec9a47fd647c92f446e4dd5e8e65e54
