[INFO] fetching crate pahs 0.1.0-alpha.5...
[INFO] testing pahs-0.1.0-alpha.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pahs 0.1.0-alpha.5 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate pahs 0.1.0-alpha.5 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pahs 0.1.0-alpha.5
[INFO] finished tweaking crates.io crate pahs 0.1.0-alpha.5
[INFO] tweaked toml for crates.io crate pahs 0.1.0-alpha.5 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate pahs 0.1.0-alpha.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fde7bd8dfc6802da30577952e4870d78ef84ec1bb3246cf59711cff3960f55de
[INFO] running `Command { std: "docker" "start" "-a" "fde7bd8dfc6802da30577952e4870d78ef84ec1bb3246cf59711cff3960f55de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde7bd8dfc6802da30577952e4870d78ef84ec1bb3246cf59711cff3960f55de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde7bd8dfc6802da30577952e4870d78ef84ec1bb3246cf59711cff3960f55de", kill_on_drop: false }`
[INFO] [stdout] fde7bd8dfc6802da30577952e4870d78ef84ec1bb3246cf59711cff3960f55de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f690a55a6e4884aa75a8430fa8f2d3647e2fc07ce03f6ddb958197b7b42e20
[INFO] running `Command { std: "docker" "start" "-a" "24f690a55a6e4884aa75a8430fa8f2d3647e2fc07ce03f6ddb958197b7b42e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling pahs v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.26s
[INFO] running `Command { std: "docker" "inspect" "24f690a55a6e4884aa75a8430fa8f2d3647e2fc07ce03f6ddb958197b7b42e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f690a55a6e4884aa75a8430fa8f2d3647e2fc07ce03f6ddb958197b7b42e20", kill_on_drop: false }`
[INFO] [stdout] 24f690a55a6e4884aa75a8430fa8f2d3647e2fc07ce03f6ddb958197b7b42e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aeb005337533f04ac4e1ea6adc0139ef1424bf0e3d828aa599a380ea24b6542
[INFO] running `Command { std: "docker" "start" "-a" "5aeb005337533f04ac4e1ea6adc0139ef1424bf0e3d828aa599a380ea24b6542", kill_on_drop: false }`
[INFO] [stderr]    Compiling pahs v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `next`
[INFO] [stdout]   --> examples/msgpack.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     next: Option<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DriverState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> examples/msgpack.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pahs-e3df9e307baf8bf7)
[INFO] running `Command { std: "docker" "inspect" "5aeb005337533f04ac4e1ea6adc0139ef1424bf0e3d828aa599a380ea24b6542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aeb005337533f04ac4e1ea6adc0139ef1424bf0e3d828aa599a380ea24b6542", kill_on_drop: false }`
[INFO] [stdout] 5aeb005337533f04ac4e1ea6adc0139ef1424bf0e3d828aa599a380ea24b6542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74c9c9c203de7d38c6490585d14290b00f849c0a959f66032c8b60c6a621f640
[INFO] running `Command { std: "docker" "start" "-a" "74c9c9c203de7d38c6490585d14290b00f849c0a959f66032c8b60c6a621f640", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `next`
[INFO] [stderr]   --> examples/msgpack.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     next: Option<()>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `DriverState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> examples/msgpack.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `pahs` (example "msgpack") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pahs-e3df9e307baf8bf7)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test combinators::alternate::test::it_accumulates_all_errors ... ok
[INFO] [stdout] test combinators::alternate::test::it_returns_the_first_successful_branch ... ok
[INFO] [stdout] test combinators::alternate::test::it_stops_at_irrecoverable_errors ... ok
[INFO] [stdout] test combinators::count::test::it_rewinds_correctly_on_failure ... ok
[INFO] [stdout] test combinators::count::test::it_works ... ok
[INFO] [stdout] test combinators::n_or_more::test::one_or_more_errors_on_empty ... ok
[INFO] [stdout] test combinators::n_or_more::test::one_or_more_errors_on_irrecoverable_and_rewinds_pos ... ok
[INFO] [stdout] test combinators::n_or_more::test::one_or_more_works ... ok
[INFO] [stdout] test combinators::n_or_more::test::zero_or_more_errors_on_irrecoverable_and_rewinds_pos ... ok
[INFO] [stdout] test combinators::n_or_more::test::zero_or_more_works_for_valid_inputs ... ok
[INFO] [stdout] test combinators::optional::tests::irrecoverable_errors_stay_failed ... ok
[INFO] [stdout] test combinators::optional::tests::recoverable_errors_turn_into_success_none ... ok
[INFO] [stdout] test combinators::optional::tests::successful_progress_gets_passed_through ... ok
[INFO] [stdout] test slice::num::test::fails_with_too_short_input ... ok
[INFO] [stdout] test slice::num::test::parses_ints_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pahs
[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" "74c9c9c203de7d38c6490585d14290b00f849c0a959f66032c8b60c6a621f640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c9c9c203de7d38c6490585d14290b00f849c0a959f66032c8b60c6a621f640", kill_on_drop: false }`
[INFO] [stdout] 74c9c9c203de7d38c6490585d14290b00f849c0a959f66032c8b60c6a621f640