[INFO] fetching crate pahs 0.1.0-alpha.5...
[INFO] testing pahs-0.1.0-alpha.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate pahs 0.1.0-alpha.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pahs 0.1.0-alpha.5 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 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-14/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b40a8b1d4bc21cb82072ca2d5e9dbb09860ab2bf3433f69199f892fb39de45b9
[INFO] running `Command { std: "docker" "start" "-a" "b40a8b1d4bc21cb82072ca2d5e9dbb09860ab2bf3433f69199f892fb39de45b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40a8b1d4bc21cb82072ca2d5e9dbb09860ab2bf3433f69199f892fb39de45b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40a8b1d4bc21cb82072ca2d5e9dbb09860ab2bf3433f69199f892fb39de45b9", kill_on_drop: false }`
[INFO] [stdout] b40a8b1d4bc21cb82072ca2d5e9dbb09860ab2bf3433f69199f892fb39de45b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ec7d21fa38114ff6f0dc8e593821bf21f274ee00ba14584fef9244470548384e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec7d21fa38114ff6f0dc8e593821bf21f274ee00ba14584fef9244470548384e", 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 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 21.73s
[INFO] running `Command { std: "docker" "inspect" "ec7d21fa38114ff6f0dc8e593821bf21f274ee00ba14584fef9244470548384e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7d21fa38114ff6f0dc8e593821bf21f274ee00ba14584fef9244470548384e", kill_on_drop: false }`
[INFO] [stdout] ec7d21fa38114ff6f0dc8e593821bf21f274ee00ba14584fef9244470548384e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ffce9357feb85767efe27039fecc1fe8dcb6c2968b69eb2163c92e4635571d59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffce9357feb85767efe27039fecc1fe8dcb6c2968b69eb2163c92e4635571d59", 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 2.21s
[INFO] running `Command { std: "docker" "inspect" "ffce9357feb85767efe27039fecc1fe8dcb6c2968b69eb2163c92e4635571d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffce9357feb85767efe27039fecc1fe8dcb6c2968b69eb2163c92e4635571d59", kill_on_drop: false }`
[INFO] [stdout] ffce9357feb85767efe27039fecc1fe8dcb6c2968b69eb2163c92e4635571d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d7248ed5ca2eb2a4406ced73917a41de84d1a7fbc16be7204448df86d29eca3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7248ed5ca2eb2a4406ced73917a41de84d1a7fbc16be7204448df86d29eca3d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `next`
[INFO] [stdout] running 15 tests
[INFO] [stderr]   --> examples/msgpack.rs:17:5
[INFO] [stdout] test combinators::alternate::test::it_accumulates_all_errors ... ok
[INFO] [stderr]    |
[INFO] [stdout] test combinators::count::test::it_works ... ok
[INFO] [stderr] 17 |     next: Option<()>,
[INFO] [stdout] test combinators::n_or_more::test::one_or_more_errors_on_empty ... ok
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] test combinators::n_or_more::test::one_or_more_errors_on_irrecoverable_and_rewinds_pos ... ok
[INFO] [stderr]    |
[INFO] [stdout] test combinators::n_or_more::test::zero_or_more_errors_on_irrecoverable_and_rewinds_pos ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test combinators::n_or_more::test::one_or_more_works ... ok
[INFO] [stderr] note: `DriverState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] test combinators::optional::tests::recoverable_errors_turn_into_success_none ... ok
[INFO] [stderr]   --> examples/msgpack.rs:15:10
[INFO] [stdout] test slice::num::test::fails_with_too_short_input ... ok
[INFO] [stderr]    |
[INFO] [stdout] test slice::num::test::parses_ints_correctly ... ok
[INFO] [stderr] 15 | #[derive(Debug, Default)]
[INFO] [stdout] test combinators::alternate::test::it_stops_at_irrecoverable_errors ... ok
[INFO] [stderr]    |          ^^^^^
[INFO] [stdout] test combinators::count::test::it_rewinds_correctly_on_failure ... ok
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] test combinators::alternate::test::it_returns_the_first_successful_branch ... ok
[INFO] [stderr] 
[INFO] [stderr] warning: `pahs` (example "msgpack") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pahs-e3df9e307baf8bf7)
[INFO] [stdout] test combinators::optional::tests::irrecoverable_errors_stay_failed ... ok
[INFO] [stdout] test combinators::optional::tests::successful_progress_gets_passed_through ... ok
[INFO] [stdout] test combinators::n_or_more::test::zero_or_more_works_for_valid_inputs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "d7248ed5ca2eb2a4406ced73917a41de84d1a7fbc16be7204448df86d29eca3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7248ed5ca2eb2a4406ced73917a41de84d1a7fbc16be7204448df86d29eca3d", kill_on_drop: false }`
[INFO] [stdout] d7248ed5ca2eb2a4406ced73917a41de84d1a7fbc16be7204448df86d29eca3d