[INFO] fetching crate fs_iter 0.1.0...
[INFO] testing fs_iter-0.1.0 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate fs_iter 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate fs_iter 0.1.0 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 fs_iter 0.1.0
[INFO] finished tweaking crates.io crate fs_iter 0.1.0
[INFO] tweaked toml for crates.io crate fs_iter 0.1.0 written to /workspace/builds/worker-50/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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 6a34d3c6368e53c2afd02ee4b1f7a9d3c8a2c0e4f0125facffd2b57a1b795c37
[INFO] running `Command { std: "docker" "start" "-a" "6a34d3c6368e53c2afd02ee4b1f7a9d3c8a2c0e4f0125facffd2b57a1b795c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a34d3c6368e53c2afd02ee4b1f7a9d3c8a2c0e4f0125facffd2b57a1b795c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a34d3c6368e53c2afd02ee4b1f7a9d3c8a2c0e4f0125facffd2b57a1b795c37", kill_on_drop: false }`
[INFO] [stdout] 6a34d3c6368e53c2afd02ee4b1f7a9d3c8a2c0e4f0125facffd2b57a1b795c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] cbdda1e301c33e69dea9f562b8732450be63644492ec706b9ee8a6c3e65fbdd5
[INFO] running `Command { std: "docker" "start" "-a" "cbdda1e301c33e69dea9f562b8732450be63644492ec706b9ee8a6c3e65fbdd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "cbdda1e301c33e69dea9f562b8732450be63644492ec706b9ee8a6c3e65fbdd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdda1e301c33e69dea9f562b8732450be63644492ec706b9ee8a6c3e65fbdd5", kill_on_drop: false }`
[INFO] [stdout] cbdda1e301c33e69dea9f562b8732450be63644492ec706b9ee8a6c3e65fbdd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 48a5f91d2208936c1e4fce0f7a082333feab4c980bedf394feee99ea795b6272
[INFO] running `Command { std: "docker" "start" "-a" "48a5f91d2208936c1e4fce0f7a082333feab4c980bedf394feee99ea795b6272", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fs_iter-4dbf9c221813f4b5)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "48a5f91d2208936c1e4fce0f7a082333feab4c980bedf394feee99ea795b6272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a5f91d2208936c1e4fce0f7a082333feab4c980bedf394feee99ea795b6272", kill_on_drop: false }`
[INFO] [stdout] 48a5f91d2208936c1e4fce0f7a082333feab4c980bedf394feee99ea795b6272