[INFO] fetching crate ftl 0.0.0...
[INFO] testing ftl-0.0.0 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate ftl 0.0.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate ftl 0.0.0 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ftl 0.0.0
[INFO] finished tweaking crates.io crate ftl 0.0.0
[INFO] tweaked toml for crates.io crate ftl 0.0.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1909e070b2e4e6222a43d6adbadebea8b1ca71f61a5161e7b6b70d4ab1b2dcac
[INFO] running `Command { std: "docker" "start" "-a" "1909e070b2e4e6222a43d6adbadebea8b1ca71f61a5161e7b6b70d4ab1b2dcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1909e070b2e4e6222a43d6adbadebea8b1ca71f61a5161e7b6b70d4ab1b2dcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1909e070b2e4e6222a43d6adbadebea8b1ca71f61a5161e7b6b70d4ab1b2dcac", kill_on_drop: false }`
[INFO] [stdout] 1909e070b2e4e6222a43d6adbadebea8b1ca71f61a5161e7b6b70d4ab1b2dcac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26ed335e501e4e41c8b4e4a391bd18a99363ac0a1f7a4b122d59ef51f0c649c2
[INFO] running `Command { std: "docker" "start" "-a" "26ed335e501e4e41c8b4e4a391bd18a99363ac0a1f7a4b122d59ef51f0c649c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ftl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "26ed335e501e4e41c8b4e4a391bd18a99363ac0a1f7a4b122d59ef51f0c649c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ed335e501e4e41c8b4e4a391bd18a99363ac0a1f7a4b122d59ef51f0c649c2", kill_on_drop: false }`
[INFO] [stdout] 26ed335e501e4e41c8b4e4a391bd18a99363ac0a1f7a4b122d59ef51f0c649c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0943e92e0fb0b794b79e417ddefb29b5c8dd9d1c62edc2ac285224ba3d36e172
[INFO] running `Command { std: "docker" "start" "-a" "0943e92e0fb0b794b79e417ddefb29b5c8dd9d1c62edc2ac285224ba3d36e172", kill_on_drop: false }`
[INFO] [stderr]    Compiling ftl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ftl-65bb758cac526598)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0943e92e0fb0b794b79e417ddefb29b5c8dd9d1c62edc2ac285224ba3d36e172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0943e92e0fb0b794b79e417ddefb29b5c8dd9d1c62edc2ac285224ba3d36e172", kill_on_drop: false }`
[INFO] [stdout] 0943e92e0fb0b794b79e417ddefb29b5c8dd9d1c62edc2ac285224ba3d36e172