[INFO] fetching crate frst 0.0.1...
[INFO] testing frst-0.0.1 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] extracting crate frst 0.0.1 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate frst 0.0.1 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frst 0.0.1
[INFO] finished tweaking crates.io crate frst 0.0.1
[INFO] tweaked toml for crates.io crate frst 0.0.1 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a2b596ce6b486cd15b51a9f2884055f224d7a8e2b7246aaaf448a1e2a55e5e
[INFO] running `Command { std: "docker" "start" "-a" "81a2b596ce6b486cd15b51a9f2884055f224d7a8e2b7246aaaf448a1e2a55e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a2b596ce6b486cd15b51a9f2884055f224d7a8e2b7246aaaf448a1e2a55e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a2b596ce6b486cd15b51a9f2884055f224d7a8e2b7246aaaf448a1e2a55e5e", kill_on_drop: false }`
[INFO] [stdout] 81a2b596ce6b486cd15b51a9f2884055f224d7a8e2b7246aaaf448a1e2a55e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80f0682e6612b12cbd5930b2e4f161fc045d30c7e4427bd416c6bbc8560166c1
[INFO] running `Command { std: "docker" "start" "-a" "80f0682e6612b12cbd5930b2e4f161fc045d30c7e4427bd416c6bbc8560166c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling frst v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "80f0682e6612b12cbd5930b2e4f161fc045d30c7e4427bd416c6bbc8560166c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f0682e6612b12cbd5930b2e4f161fc045d30c7e4427bd416c6bbc8560166c1", kill_on_drop: false }`
[INFO] [stdout] 80f0682e6612b12cbd5930b2e4f161fc045d30c7e4427bd416c6bbc8560166c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21b7b1ea1fe69272e1424318a53bb8c32f97b24b9609dad1796fba823535272a
[INFO] running `Command { std: "docker" "start" "-a" "21b7b1ea1fe69272e1424318a53bb8c32f97b24b9609dad1796fba823535272a", kill_on_drop: false }`
[INFO] [stderr]    Compiling frst v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/frst-546ec0216f7a438b)
[INFO] running `Command { std: "docker" "inspect" "21b7b1ea1fe69272e1424318a53bb8c32f97b24b9609dad1796fba823535272a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b7b1ea1fe69272e1424318a53bb8c32f97b24b9609dad1796fba823535272a", kill_on_drop: false }`
[INFO] [stdout] 21b7b1ea1fe69272e1424318a53bb8c32f97b24b9609dad1796fba823535272a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcb59b7d1e7ee9789edd379e5c71203924bde5ace67a3435b218ae567ea0c38d
[INFO] running `Command { std: "docker" "start" "-a" "dcb59b7d1e7ee9789edd379e5c71203924bde5ace67a3435b218ae567ea0c38d", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dcb59b7d1e7ee9789edd379e5c71203924bde5ace67a3435b218ae567ea0c38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb59b7d1e7ee9789edd379e5c71203924bde5ace67a3435b218ae567ea0c38d", kill_on_drop: false }`
[INFO] [stdout] dcb59b7d1e7ee9789edd379e5c71203924bde5ace67a3435b218ae567ea0c38d