[INFO] fetching crate abackus 0.2.2...
[INFO] testing abackus-0.2.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate abackus 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate abackus 0.2.2 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 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-6/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded earlgrey v0.3.0
[INFO] [stderr]   Downloaded lexers v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c2fda05bc96f0d0f51b9a661909b65537e647651c30db3f761a6b771cc9abd57
[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" "c2fda05bc96f0d0f51b9a661909b65537e647651c30db3f761a6b771cc9abd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fda05bc96f0d0f51b9a661909b65537e647651c30db3f761a6b771cc9abd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fda05bc96f0d0f51b9a661909b65537e647651c30db3f761a6b771cc9abd57", kill_on_drop: false }`
[INFO] [stdout] c2fda05bc96f0d0f51b9a661909b65537e647651c30db3f761a6b771cc9abd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 63de7195f3e9e8554d6083e4df1602f0936cfe13d82e30158d4b28faaf84d587
[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" "63de7195f3e9e8554d6083e4df1602f0936cfe13d82e30158d4b28faaf84d587", 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 2.87s
[INFO] running `Command { std: "docker" "inspect" "63de7195f3e9e8554d6083e4df1602f0936cfe13d82e30158d4b28faaf84d587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63de7195f3e9e8554d6083e4df1602f0936cfe13d82e30158d4b28faaf84d587", kill_on_drop: false }`
[INFO] [stdout] 63de7195f3e9e8554d6083e4df1602f0936cfe13d82e30158d4b28faaf84d587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 793abbb7e9ddb021eb3a62d39f3f8b5ac26bafad874e09c7004fe852305aa297
[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" "793abbb7e9ddb021eb3a62d39f3f8b5ac26bafad874e09c7004fe852305aa297", kill_on_drop: false }`
[INFO] [stderr]    Compiling abackus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "793abbb7e9ddb021eb3a62d39f3f8b5ac26bafad874e09c7004fe852305aa297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793abbb7e9ddb021eb3a62d39f3f8b5ac26bafad874e09c7004fe852305aa297", kill_on_drop: false }`
[INFO] [stdout] 793abbb7e9ddb021eb3a62d39f3f8b5ac26bafad874e09c7004fe852305aa297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a09a2440dbe4f764d085529d49fefe7f082acac1fc58aa7b427fbbe0a6c208e
[INFO] running `Command { std: "docker" "start" "-a" "7a09a2440dbe4f764d085529d49fefe7f082acac1fc58aa7b427fbbe0a6c208e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abackus-a31735eb1be9bf1d)
[INFO] [stdout] test ebnf_test::build_ebnf_grammar ... ok
[INFO] [stdout] test ebnf_test::grouping ... 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::option_tagged ... ok
[INFO] [stdout] test ebnf_test::repetition_tagged ... ok
[INFO] [stdout] test ebnf_test::mixed_tagged ... ok
[INFO] [stdout] test ebnf_test::repetition ... ok
[INFO] [stdout] test ebnf_test::mixed ... ok
[INFO] [stderr]    Doc-tests abackus
[INFO] [stdout] test ebnf_test::grouping_tagged ... ok
[INFO] [stdout] test ebnf_test::option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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" "7a09a2440dbe4f764d085529d49fefe7f082acac1fc58aa7b427fbbe0a6c208e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a09a2440dbe4f764d085529d49fefe7f082acac1fc58aa7b427fbbe0a6c208e", kill_on_drop: false }`
[INFO] [stdout] 7a09a2440dbe4f764d085529d49fefe7f082acac1fc58aa7b427fbbe0a6c208e