[INFO] fetching crate fill_iter 0.1.0...
[INFO] testing fill_iter-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fill_iter 0.1.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate fill_iter 0.1.0 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 fill_iter 0.1.0
[INFO] finished tweaking crates.io crate fill_iter 0.1.0
[INFO] tweaked toml for crates.io crate fill_iter 0.1.0 written to /workspace/builds/worker-47/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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] f8b395ade5491a8a581ae7906d2b1a3d9fac3fa11ef315aa00419f8a54ba0f29
[INFO] running `Command { std: "docker" "start" "-a" "f8b395ade5491a8a581ae7906d2b1a3d9fac3fa11ef315aa00419f8a54ba0f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8b395ade5491a8a581ae7906d2b1a3d9fac3fa11ef315aa00419f8a54ba0f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b395ade5491a8a581ae7906d2b1a3d9fac3fa11ef315aa00419f8a54ba0f29", kill_on_drop: false }`
[INFO] [stdout] f8b395ade5491a8a581ae7906d2b1a3d9fac3fa11ef315aa00419f8a54ba0f29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] f9b874a395d99080542ae6e9b9246f41059ad95f2fa3a12b301554f294b7ca00
[INFO] running `Command { std: "docker" "start" "-a" "f9b874a395d99080542ae6e9b9246f41059ad95f2fa3a12b301554f294b7ca00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fill_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "f9b874a395d99080542ae6e9b9246f41059ad95f2fa3a12b301554f294b7ca00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b874a395d99080542ae6e9b9246f41059ad95f2fa3a12b301554f294b7ca00", kill_on_drop: false }`
[INFO] [stdout] f9b874a395d99080542ae6e9b9246f41059ad95f2fa3a12b301554f294b7ca00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 6b7d91962563852b8e75c32003a13301077a2af3d705b41a420b9a602354d7f5
[INFO] running `Command { std: "docker" "start" "-a" "6b7d91962563852b8e75c32003a13301077a2af3d705b41a420b9a602354d7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fill_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6b7d91962563852b8e75c32003a13301077a2af3d705b41a420b9a602354d7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7d91962563852b8e75c32003a13301077a2af3d705b41a420b9a602354d7f5", kill_on_drop: false }`
[INFO] [stdout] 6b7d91962563852b8e75c32003a13301077a2af3d705b41a420b9a602354d7f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] fd0d304dac514ee2a3fb50e083765050e283d8c537ea9cb304458291fa35d93f
[INFO] running `Command { std: "docker" "start" "-a" "fd0d304dac514ee2a3fb50e083765050e283d8c537ea9cb304458291fa35d93f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fill_iter-228ddefc2eb3b4eb)
[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]      Running unittests (/opt/rustwide/target/debug/deps/fill_iter-f2053afd4e79bc7f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fill_iter
[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] [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" "fd0d304dac514ee2a3fb50e083765050e283d8c537ea9cb304458291fa35d93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0d304dac514ee2a3fb50e083765050e283d8c537ea9cb304458291fa35d93f", kill_on_drop: false }`
[INFO] [stdout] fd0d304dac514ee2a3fb50e083765050e283d8c537ea9cb304458291fa35d93f