[INFO] fetching crate mpl 0.1.0...
[INFO] testing mpl-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mpl 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate mpl 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 mpl 0.1.0
[INFO] finished tweaking crates.io crate mpl 0.1.0
[INFO] tweaked toml for crates.io crate mpl 0.1.0 written to /workspace/builds/worker-116/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] [stderr]     Blocking waiting for file lock on package cache
[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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] b4c8b72d3fad431cc00b0c34f8256958e4c065212bb8a1f3ac49e083db9316cf
[INFO] running `Command { std: "docker" "start" "-a" "b4c8b72d3fad431cc00b0c34f8256958e4c065212bb8a1f3ac49e083db9316cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c8b72d3fad431cc00b0c34f8256958e4c065212bb8a1f3ac49e083db9316cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c8b72d3fad431cc00b0c34f8256958e4c065212bb8a1f3ac49e083db9316cf", kill_on_drop: false }`
[INFO] [stdout] b4c8b72d3fad431cc00b0c34f8256958e4c065212bb8a1f3ac49e083db9316cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] d106d01c11f248d4c4de4a1e6296eeab91a9c9f128d6465116a0e211a9c2f71f
[INFO] running `Command { std: "docker" "start" "-a" "d106d01c11f248d4c4de4a1e6296eeab91a9c9f128d6465116a0e211a9c2f71f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "d106d01c11f248d4c4de4a1e6296eeab91a9c9f128d6465116a0e211a9c2f71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d106d01c11f248d4c4de4a1e6296eeab91a9c9f128d6465116a0e211a9c2f71f", kill_on_drop: false }`
[INFO] [stdout] d106d01c11f248d4c4de4a1e6296eeab91a9c9f128d6465116a0e211a9c2f71f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] c5216acc165fe511d5b1889e6c2666e48fa7725319cf5cadf880cc56a965cde4
[INFO] running `Command { std: "docker" "start" "-a" "c5216acc165fe511d5b1889e6c2666e48fa7725319cf5cadf880cc56a965cde4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "c5216acc165fe511d5b1889e6c2666e48fa7725319cf5cadf880cc56a965cde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5216acc165fe511d5b1889e6c2666e48fa7725319cf5cadf880cc56a965cde4", kill_on_drop: false }`
[INFO] [stdout] c5216acc165fe511d5b1889e6c2666e48fa7725319cf5cadf880cc56a965cde4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 89de7722a69fc03661f90a547b9c4327c650f7619fdeb54976c88fd034e2f20a
[INFO] running `Command { std: "docker" "start" "-a" "89de7722a69fc03661f90a547b9c4327c650f7619fdeb54976c88fd034e2f20a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpl-d29f59d43c2c951f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test span::start_and_len_span::tests::from_lo_len ... ok
[INFO] [stdout] test span::start_and_len_span::tests::merge_lhs_and_rhs ... ok
[INFO] [stdout] test span::start_and_len_span::tests::from_lo_hi ... ok
[INFO] [stdout] test symbols::terminal::str_terminal::tests::convert ... ok
[INFO] [stdout] test symbols::terminal::u8slice_terminal::tests::convert ... ok
[INFO] [stdout] test rules::tests::rules ... ok
[INFO] [stdout] test symbols::terminal::slice_terminal::tests::convert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/number.rs (/opt/rustwide/target/debug/deps/number-645a2a8c2bae4e04)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test number ... 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 tests/parentheses.rs (/opt/rustwide/target/debug/deps/parentheses-fd8bc6359672583a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parentheses ... 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 tests/wav_riff.rs (/opt/rustwide/target/debug/deps/wav_riff-876983a7ac6613e4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test wav_riff ... 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 mpl
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/input/mod.rs - input::Input (line 10) ... ok
[INFO] [stdout] test src/position/mod.rs - position::Position (line 7) ... ok
[INFO] [stdout] test src/symbols/variable.rs - symbols::variable::Variable (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89de7722a69fc03661f90a547b9c4327c650f7619fdeb54976c88fd034e2f20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89de7722a69fc03661f90a547b9c4327c650f7619fdeb54976c88fd034e2f20a", kill_on_drop: false }`
[INFO] [stdout] 89de7722a69fc03661f90a547b9c4327c650f7619fdeb54976c88fd034e2f20a