[INFO] fetching crate loop_chain 0.1.1...
[INFO] testing loop_chain-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate loop_chain 0.1.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate loop_chain 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loop_chain 0.1.1
[INFO] finished tweaking crates.io crate loop_chain 0.1.1
[INFO] tweaked toml for crates.io crate loop_chain 0.1.1 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate loop_chain 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c82674fbcac8609c58ac5fe5003fa4ef12f7f5c5d46fd45de2406a3642a16bc1
[INFO] running `Command { std: "docker" "start" "-a" "c82674fbcac8609c58ac5fe5003fa4ef12f7f5c5d46fd45de2406a3642a16bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c82674fbcac8609c58ac5fe5003fa4ef12f7f5c5d46fd45de2406a3642a16bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82674fbcac8609c58ac5fe5003fa4ef12f7f5c5d46fd45de2406a3642a16bc1", kill_on_drop: false }`
[INFO] [stdout] c82674fbcac8609c58ac5fe5003fa4ef12f7f5c5d46fd45de2406a3642a16bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b031b1e8741ab2aee51a5a5df5b9414189410e0bf43a04f46079563fc00faf38
[INFO] running `Command { std: "docker" "start" "-a" "b031b1e8741ab2aee51a5a5df5b9414189410e0bf43a04f46079563fc00faf38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling loop_chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b031b1e8741ab2aee51a5a5df5b9414189410e0bf43a04f46079563fc00faf38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b031b1e8741ab2aee51a5a5df5b9414189410e0bf43a04f46079563fc00faf38", kill_on_drop: false }`
[INFO] [stdout] b031b1e8741ab2aee51a5a5df5b9414189410e0bf43a04f46079563fc00faf38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aad96c6c8203eb20e4c5efc33efab387f45d93c2ecb71803e8b5e4808ac34b30
[INFO] running `Command { std: "docker" "start" "-a" "aad96c6c8203eb20e4c5efc33efab387f45d93c2ecb71803e8b5e4808ac34b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop_chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "aad96c6c8203eb20e4c5efc33efab387f45d93c2ecb71803e8b5e4808ac34b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad96c6c8203eb20e4c5efc33efab387f45d93c2ecb71803e8b5e4808ac34b30", kill_on_drop: false }`
[INFO] [stdout] aad96c6c8203eb20e4c5efc33efab387f45d93c2ecb71803e8b5e4808ac34b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dde4e91a453a61fe0eae8b977f7b3a5fa9cc2411c158bdcb6e0ee8a170fa02a3
[INFO] running `Command { std: "docker" "start" "-a" "dde4e91a453a61fe0eae8b977f7b3a5fa9cc2411c158bdcb6e0ee8a170fa02a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loop_chain-c4ee6a77da5f259a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_for ... ok
[INFO] [stdout] test test::test_loop ... ok
[INFO] [stdout] test test::test_nested_loops ... ok
[INFO] [stdout] test test::test_while ... ok
[INFO] [stdout] test test::test_while_let ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests loop_chain
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dde4e91a453a61fe0eae8b977f7b3a5fa9cc2411c158bdcb6e0ee8a170fa02a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde4e91a453a61fe0eae8b977f7b3a5fa9cc2411c158bdcb6e0ee8a170fa02a3", kill_on_drop: false }`
[INFO] [stdout] dde4e91a453a61fe0eae8b977f7b3a5fa9cc2411c158bdcb6e0ee8a170fa02a3