[INFO] fetching crate abackus 0.2.2...
[INFO] testing abackus-0.2.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate abackus 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate abackus 0.2.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abackus 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate abackus 0.2.2
[INFO] tweaked toml for crates.io crate abackus 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate abackus 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexers v0.1.2
[INFO] [stderr]   Downloaded earlgrey v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c3c971b10cb7e5c553cc45b68ea1e1beab4014cdd6c826542233b61cf166218
[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" "7c3c971b10cb7e5c553cc45b68ea1e1beab4014cdd6c826542233b61cf166218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c3c971b10cb7e5c553cc45b68ea1e1beab4014cdd6c826542233b61cf166218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3c971b10cb7e5c553cc45b68ea1e1beab4014cdd6c826542233b61cf166218", kill_on_drop: false }`
[INFO] [stdout] 7c3c971b10cb7e5c553cc45b68ea1e1beab4014cdd6c826542233b61cf166218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7eb215c16a2c12fc51d6240a2b9332ff0be87699f3025e23a608ad567373656
[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" "b7eb215c16a2c12fc51d6240a2b9332ff0be87699f3025e23a608ad567373656", kill_on_drop: false }`
[INFO] [stderr]    Compiling earlgrey v0.3.0
[INFO] [stderr]    Compiling lexers v0.1.2
[INFO] [stderr]    Compiling abackus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "b7eb215c16a2c12fc51d6240a2b9332ff0be87699f3025e23a608ad567373656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eb215c16a2c12fc51d6240a2b9332ff0be87699f3025e23a608ad567373656", kill_on_drop: false }`
[INFO] [stdout] b7eb215c16a2c12fc51d6240a2b9332ff0be87699f3025e23a608ad567373656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efedde4e65837d843c2541f87fcdd94864ac737287274fe914ffada88bee5eb3
[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" "efedde4e65837d843c2541f87fcdd94864ac737287274fe914ffada88bee5eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling abackus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "efedde4e65837d843c2541f87fcdd94864ac737287274fe914ffada88bee5eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efedde4e65837d843c2541f87fcdd94864ac737287274fe914ffada88bee5eb3", kill_on_drop: false }`
[INFO] [stdout] efedde4e65837d843c2541f87fcdd94864ac737287274fe914ffada88bee5eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 5deea97f5b9329e41670a4cc0073c64fbe3ba5aa24d538f598d7e99911e7c6a2
[INFO] running `Command { std: "docker" "start" "-a" "5deea97f5b9329e41670a4cc0073c64fbe3ba5aa24d538f598d7e99911e7c6a2", 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-5c9aec6afefa9070)
[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::plug_terminal ... ok
[INFO] [stdout] test ebnf_test::grouping ... ok
[INFO] [stdout] test ebnf_test::option ... ok
[INFO] [stdout] test ebnf_test::mixed ... ok
[INFO] [stdout] test ebnf_test::option_tagged ... ok
[INFO] [stdout] test ebnf_test::repetition_tagged ... ok
[INFO] [stdout] test ebnf_test::mixed_tagged ... ok
[INFO] [stdout] test ebnf_test::grouping_tagged ... ok
[INFO] [stdout] test ebnf_test::repetition ... ok
[INFO] [stdout] test ebnf_test::arith_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests abackus
[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" "5deea97f5b9329e41670a4cc0073c64fbe3ba5aa24d538f598d7e99911e7c6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5deea97f5b9329e41670a4cc0073c64fbe3ba5aa24d538f598d7e99911e7c6a2", kill_on_drop: false }`
[INFO] [stdout] 5deea97f5b9329e41670a4cc0073c64fbe3ba5aa24d538f598d7e99911e7c6a2