[INFO] fetching crate ungrammar 1.16.1...
[INFO] testing ungrammar-1.16.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ungrammar 1.16.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate ungrammar 1.16.1 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 ungrammar 1.16.1
[INFO] finished tweaking crates.io crate ungrammar 1.16.1
[INFO] tweaked toml for crates.io crate ungrammar 1.16.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 04f590ee004364581687cc63a788c60866c7ce8464e2138b2dc5a7a198ced0f1
[INFO] running `Command { std: "docker" "start" "-a" "04f590ee004364581687cc63a788c60866c7ce8464e2138b2dc5a7a198ced0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04f590ee004364581687cc63a788c60866c7ce8464e2138b2dc5a7a198ced0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f590ee004364581687cc63a788c60866c7ce8464e2138b2dc5a7a198ced0f1", kill_on_drop: false }`
[INFO] [stdout] 04f590ee004364581687cc63a788c60866c7ce8464e2138b2dc5a7a198ced0f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 8f0f0661fac4e75319497515a58033bf3bcdb0817ac78018cf72d354b4ea208b
[INFO] running `Command { std: "docker" "start" "-a" "8f0f0661fac4e75319497515a58033bf3bcdb0817ac78018cf72d354b4ea208b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ungrammar v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "8f0f0661fac4e75319497515a58033bf3bcdb0817ac78018cf72d354b4ea208b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0f0661fac4e75319497515a58033bf3bcdb0817ac78018cf72d354b4ea208b", kill_on_drop: false }`
[INFO] [stdout] 8f0f0661fac4e75319497515a58033bf3bcdb0817ac78018cf72d354b4ea208b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 1d17c4a66f74f9ec368be633716e03f912ff21a3ef2d8ed4dffa33996046c852
[INFO] running `Command { std: "docker" "start" "-a" "1d17c4a66f74f9ec368be633716e03f912ff21a3ef2d8ed4dffa33996046c852", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ungrammar v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ungrammar-a38df5f986b69e07)
[INFO] running `Command { std: "docker" "inspect" "1d17c4a66f74f9ec368be633716e03f912ff21a3ef2d8ed4dffa33996046c852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d17c4a66f74f9ec368be633716e03f912ff21a3ef2d8ed4dffa33996046c852", kill_on_drop: false }`
[INFO] [stdout] 1d17c4a66f74f9ec368be633716e03f912ff21a3ef2d8ed4dffa33996046c852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] c0a5ac32b3f2ca8c500388f0ffd171204f1aba613392b3c6bb2db4218ad4aef0
[INFO] running `Command { std: "docker" "start" "-a" "c0a5ac32b3f2ca8c500388f0ffd171204f1aba613392b3c6bb2db4218ad4aef0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ungrammar-a38df5f986b69e07)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test test_rust_grammar ... ok
[INFO] [stderr]    Doc-tests ungrammar
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "c0a5ac32b3f2ca8c500388f0ffd171204f1aba613392b3c6bb2db4218ad4aef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a5ac32b3f2ca8c500388f0ffd171204f1aba613392b3c6bb2db4218ad4aef0", kill_on_drop: false }`
[INFO] [stdout] c0a5ac32b3f2ca8c500388f0ffd171204f1aba613392b3c6bb2db4218ad4aef0