[INFO] fetching crate speedy 0.8.2...
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] crate speedy 0.8.2 is already in cache
[INFO] checking speedy-0.8.2 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate speedy 0.8.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate speedy 0.8.2 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate speedy 0.8.2
[INFO] finished tweaking crates.io crate speedy 0.8.2
[INFO] tweaked toml for crates.io crate speedy 0.8.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "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" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded speedy-derive v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cc78091a65a9e5d2beb0d1559637361bd7d04b8d11aa7d48fd50a5626cf25a0
[INFO] running `Command { std: "docker" "start" "-a" "0cc78091a65a9e5d2beb0d1559637361bd7d04b8d11aa7d48fd50a5626cf25a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cc78091a65a9e5d2beb0d1559637361bd7d04b8d11aa7d48fd50a5626cf25a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc78091a65a9e5d2beb0d1559637361bd7d04b8d11aa7d48fd50a5626cf25a0", kill_on_drop: false }`
[INFO] [stdout] 0cc78091a65a9e5d2beb0d1559637361bd7d04b8d11aa7d48fd50a5626cf25a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2be7eb461f8ca2bb35ce56044fad01c61e25e309a569f54277966c84634f63
[INFO] running `Command { std: "docker" "start" "-a" "1a2be7eb461f8ca2bb35ce56044fad01c61e25e309a569f54277966c84634f63", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling speedy-derive v0.8.0
[INFO] [stderr]     Checking speedy v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.81s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1a2be7eb461f8ca2bb35ce56044fad01c61e25e309a569f54277966c84634f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2be7eb461f8ca2bb35ce56044fad01c61e25e309a569f54277966c84634f63", kill_on_drop: false }`
[INFO] [stdout] 1a2be7eb461f8ca2bb35ce56044fad01c61e25e309a569f54277966c84634f63