[INFO] fetching crate abackus 0.2.6...
[INFO] testing abackus-0.2.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate abackus 0.2.6 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate abackus 0.2.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abackus 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate abackus 0.2.6
[INFO] tweaked toml for crates.io crate abackus 0.2.6 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate abackus 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded earlgrey v0.3.1
[INFO] [stderr]   Downloaded lexers v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06de0962a602785777d294fd20f64a6617802be69fac7cb2b11b48328d76265d
[INFO] running `Command { std: "docker" "start" "-a" "06de0962a602785777d294fd20f64a6617802be69fac7cb2b11b48328d76265d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06de0962a602785777d294fd20f64a6617802be69fac7cb2b11b48328d76265d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06de0962a602785777d294fd20f64a6617802be69fac7cb2b11b48328d76265d", kill_on_drop: false }`
[INFO] [stdout] 06de0962a602785777d294fd20f64a6617802be69fac7cb2b11b48328d76265d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45629847183d08068b23a27d69b55a04cf0838b25e752e1a1d7be66a0bfac35c
[INFO] running `Command { std: "docker" "start" "-a" "45629847183d08068b23a27d69b55a04cf0838b25e752e1a1d7be66a0bfac35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling earlgrey v0.3.1
[INFO] [stderr]    Compiling lexers v0.1.4
[INFO] [stderr]    Compiling abackus v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.30s
[INFO] running `Command { std: "docker" "inspect" "45629847183d08068b23a27d69b55a04cf0838b25e752e1a1d7be66a0bfac35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45629847183d08068b23a27d69b55a04cf0838b25e752e1a1d7be66a0bfac35c", kill_on_drop: false }`
[INFO] [stdout] 45629847183d08068b23a27d69b55a04cf0838b25e752e1a1d7be66a0bfac35c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d29f1c320c56ae12f8e5fe16a58bd579d93558f9ff600efb1406004c092f56
[INFO] running `Command { std: "docker" "start" "-a" "c3d29f1c320c56ae12f8e5fe16a58bd579d93558f9ff600efb1406004c092f56", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling abackus v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "c3d29f1c320c56ae12f8e5fe16a58bd579d93558f9ff600efb1406004c092f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d29f1c320c56ae12f8e5fe16a58bd579d93558f9ff600efb1406004c092f56", kill_on_drop: false }`
[INFO] [stdout] c3d29f1c320c56ae12f8e5fe16a58bd579d93558f9ff600efb1406004c092f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 478645af711c55731afebb2266cba065c029443d33221cd7e41090b5e2d2b28e
[INFO] running `Command { std: "docker" "start" "-a" "478645af711c55731afebb2266cba065c029443d33221cd7e41090b5e2d2b28e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abackus-2157fa93d78b19fb)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test ebnf_test::build_ebnf_grammar ... ok
[INFO] [stdout] test ebnf_test::minimal_parser ... ok
[INFO] [stdout] test ebnf_test::arith_parser ... ok
[INFO] [stdout] test ebnf_test::plug_terminal ... ok
[INFO] [stdout] test ebnf_test::grouping ... ok
[INFO] [stdout] test ebnf_test::grouping_tagged ... ok
[INFO] [stdout] test ebnf_test::repetition ... ok
[INFO] [stdout] test ebnf_test::option ... ok
[INFO] [stdout] test ebnf_test::option_tagged ... ok
[INFO] [stderr]    Doc-tests abackus
[INFO] [stdout] test ebnf_test::repetition_tagged ... ok
[INFO] [stdout] test ebnf_test::mixed_tagged ... ok
[INFO] [stdout] test ebnf_test::mixed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "478645af711c55731afebb2266cba065c029443d33221cd7e41090b5e2d2b28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478645af711c55731afebb2266cba065c029443d33221cd7e41090b5e2d2b28e", kill_on_drop: false }`
[INFO] [stdout] 478645af711c55731afebb2266cba065c029443d33221cd7e41090b5e2d2b28e