[INFO] fetching crate pahs 0.1.0-alpha.5...
[INFO] testing pahs-0.1.0-alpha.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate pahs 0.1.0-alpha.5 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate pahs 0.1.0-alpha.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 313b54d4f74006288e7ce9aaa4df812c5824bdea91297f06b196850a407071ac
[INFO] running `Command { std: "docker" "start" "-a" "313b54d4f74006288e7ce9aaa4df812c5824bdea91297f06b196850a407071ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "313b54d4f74006288e7ce9aaa4df812c5824bdea91297f06b196850a407071ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313b54d4f74006288e7ce9aaa4df812c5824bdea91297f06b196850a407071ac", kill_on_drop: false }`
[INFO] [stdout] 313b54d4f74006288e7ce9aaa4df812c5824bdea91297f06b196850a407071ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f241de6a089abf29c7de883a9792e2576f01ac07117d6a3a63624eacc0c8017d
[INFO] running `Command { std: "docker" "start" "-a" "f241de6a089abf29c7de883a9792e2576f01ac07117d6a3a63624eacc0c8017d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 13.95s
[INFO] running `Command { std: "docker" "inspect" "f241de6a089abf29c7de883a9792e2576f01ac07117d6a3a63624eacc0c8017d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f241de6a089abf29c7de883a9792e2576f01ac07117d6a3a63624eacc0c8017d", kill_on_drop: false }`
[INFO] [stdout] f241de6a089abf29c7de883a9792e2576f01ac07117d6a3a63624eacc0c8017d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd1a03ea745fef010c735810bb5a439c309d7e5a4de26c6c4878f8db4d99d1a
[INFO] running `Command { std: "docker" "start" "-a" "4cd1a03ea745fef010c735810bb5a439c309d7e5a4de26c6c4878f8db4d99d1a", 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "4cd1a03ea745fef010c735810bb5a439c309d7e5a4de26c6c4878f8db4d99d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd1a03ea745fef010c735810bb5a439c309d7e5a4de26c6c4878f8db4d99d1a", kill_on_drop: false }`
[INFO] [stdout] 4cd1a03ea745fef010c735810bb5a439c309d7e5a4de26c6c4878f8db4d99d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12dceb4998ce69c1a1f780711cd17d5c61142444885d635bcd49ef85ddc4d92b
[INFO] running `Command { std: "docker" "start" "-a" "12dceb4998ce69c1a1f780711cd17d5c61142444885d635bcd49ef85ddc4d92b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 
[INFO] [stderr] warning: `pahs` (example "msgpack") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pahs-058b4eb60489ef2e)
[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::optional::tests::irrecoverable_errors_stay_failed ... ok
[INFO] [stdout] test combinators::n_or_more::test::zero_or_more_works_for_valid_inputs ... 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" "12dceb4998ce69c1a1f780711cd17d5c61142444885d635bcd49ef85ddc4d92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dceb4998ce69c1a1f780711cd17d5c61142444885d635bcd49ef85ddc4d92b", kill_on_drop: false }`
[INFO] [stdout] 12dceb4998ce69c1a1f780711cd17d5c61142444885d635bcd49ef85ddc4d92b