[INFO] fetching crate grammar_tool 0.1.0...
[INFO] testing grammar_tool-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate grammar_tool 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate grammar_tool 0.1.0 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 grammar_tool 0.1.0
[INFO] finished tweaking crates.io crate grammar_tool 0.1.0
[INFO] tweaked toml for crates.io crate grammar_tool 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate grammar_tool 0.1.0 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 rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.3
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 42969ba1f509f4f8a87ba02da638a256ade9344fb8aad9fc911962c291b55466
[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" "42969ba1f509f4f8a87ba02da638a256ade9344fb8aad9fc911962c291b55466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42969ba1f509f4f8a87ba02da638a256ade9344fb8aad9fc911962c291b55466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42969ba1f509f4f8a87ba02da638a256ade9344fb8aad9fc911962c291b55466", kill_on_drop: false }`
[INFO] [stdout] 42969ba1f509f4f8a87ba02da638a256ade9344fb8aad9fc911962c291b55466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 17c1d914c0e9a2770500e2dce4d54e17e2081588550f1203f67988b4b367ad23
[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" "17c1d914c0e9a2770500e2dce4d54e17e2081588550f1203f67988b4b367ad23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling grammar_tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "17c1d914c0e9a2770500e2dce4d54e17e2081588550f1203f67988b4b367ad23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c1d914c0e9a2770500e2dce4d54e17e2081588550f1203f67988b4b367ad23", kill_on_drop: false }`
[INFO] [stdout] 17c1d914c0e9a2770500e2dce4d54e17e2081588550f1203f67988b4b367ad23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0f441635403e553f734b05775ef1b0112ddaf2816c1325eb6bce8a0e4879f47
[INFO] running `Command { std: "docker" "start" "-a" "c0f441635403e553f734b05775ef1b0112ddaf2816c1325eb6bce8a0e4879f47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grammar_tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "c0f441635403e553f734b05775ef1b0112ddaf2816c1325eb6bce8a0e4879f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f441635403e553f734b05775ef1b0112ddaf2816c1325eb6bce8a0e4879f47", kill_on_drop: false }`
[INFO] [stdout] c0f441635403e553f734b05775ef1b0112ddaf2816c1325eb6bce8a0e4879f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 68e67e36671a3365323634241f7b41a1d3b4196027c9d771baf74827ff6b21b9
[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" "68e67e36671a3365323634241f7b41a1d3b4196027c9d771baf74827ff6b21b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grammar_tool-5c3981c484ae0f55)
[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" "68e67e36671a3365323634241f7b41a1d3b4196027c9d771baf74827ff6b21b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e67e36671a3365323634241f7b41a1d3b4196027c9d771baf74827ff6b21b9", kill_on_drop: false }`
[INFO] [stdout] 68e67e36671a3365323634241f7b41a1d3b4196027c9d771baf74827ff6b21b9