[INFO] fetching crate fst-regex 0.3.0...
[INFO] testing fst-regex-0.3.0 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate fst-regex 0.3.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate fst-regex 0.3.0 on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fst-regex 0.3.0
[INFO] finished tweaking crates.io crate fst-regex 0.3.0
[INFO] tweaked toml for crates.io crate fst-regex 0.3.0 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1888fcf5e91b9f8530ab645c9eecd04adc60a227c2aa4945f721a396abf3e72b
[INFO] running `Command { std: "docker" "start" "-a" "1888fcf5e91b9f8530ab645c9eecd04adc60a227c2aa4945f721a396abf3e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1888fcf5e91b9f8530ab645c9eecd04adc60a227c2aa4945f721a396abf3e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1888fcf5e91b9f8530ab645c9eecd04adc60a227c2aa4945f721a396abf3e72b", kill_on_drop: false }`
[INFO] [stdout] 1888fcf5e91b9f8530ab645c9eecd04adc60a227c2aa4945f721a396abf3e72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 619d1a7a05ff1743f5c4ce7404029c2183d0cbda8e0d4c2a1262201ad3b7baae
[INFO] running `Command { std: "docker" "start" "-a" "619d1a7a05ff1743f5c4ce7404029c2183d0cbda8e0d4c2a1262201ad3b7baae", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling fst v0.3.5
[INFO] [stderr]    Compiling fst-regex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "619d1a7a05ff1743f5c4ce7404029c2183d0cbda8e0d4c2a1262201ad3b7baae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619d1a7a05ff1743f5c4ce7404029c2183d0cbda8e0d4c2a1262201ad3b7baae", kill_on_drop: false }`
[INFO] [stdout] 619d1a7a05ff1743f5c4ce7404029c2183d0cbda8e0d4c2a1262201ad3b7baae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2467f22b3f1ce4fe0fea38b493509453cf5d725e519250e1f35099f48c3a9242
[INFO] running `Command { std: "docker" "start" "-a" "2467f22b3f1ce4fe0fea38b493509453cf5d725e519250e1f35099f48c3a9242", kill_on_drop: false }`
[INFO] [stderr]    Compiling fst-regex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fst_regex-b73c3932e4d30789)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2467f22b3f1ce4fe0fea38b493509453cf5d725e519250e1f35099f48c3a9242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2467f22b3f1ce4fe0fea38b493509453cf5d725e519250e1f35099f48c3a9242", kill_on_drop: false }`
[INFO] [stdout] 2467f22b3f1ce4fe0fea38b493509453cf5d725e519250e1f35099f48c3a9242