[INFO] fetching crate facto 0.3.0...
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] crate facto 0.3.0 is already in cache
[INFO] checking facto-0.3.0 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate facto 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate facto 0.3.0 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 facto 0.3.0
[INFO] finished tweaking crates.io crate facto 0.3.0
[INFO] tweaked toml for crates.io crate facto 0.3.0 written to /workspace/builds/worker-7/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] 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 az v1.2.1
[INFO] [stderr]   Downloaded rug v1.17.0
[INFO] [stderr]   Downloaded redc v0.1.0
[INFO] [stderr]   Downloaded twoword v0.1.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 103dfd02c17aba55028f6050f4a3acfe9a47da12f38e12a1085a57b508dc7255
[INFO] running `Command { std: "docker" "start" "-a" "103dfd02c17aba55028f6050f4a3acfe9a47da12f38e12a1085a57b508dc7255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103dfd02c17aba55028f6050f4a3acfe9a47da12f38e12a1085a57b508dc7255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103dfd02c17aba55028f6050f4a3acfe9a47da12f38e12a1085a57b508dc7255", kill_on_drop: false }`
[INFO] [stdout] 103dfd02c17aba55028f6050f4a3acfe9a47da12f38e12a1085a57b508dc7255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd69a9c80c19b87eb1ef0a20d395206ea90c8a94ce62943e61bd0e10a90a4353
[INFO] running `Command { std: "docker" "start" "-a" "cd69a9c80c19b87eb1ef0a20d395206ea90c8a94ce62943e61bd0e10a90a4353", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.10
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.142
[INFO] [stderr]    Compiling rug v1.17.0
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking twoword v0.1.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cd69a9c80c19b87eb1ef0a20d395206ea90c8a94ce62943e61bd0e10a90a4353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd69a9c80c19b87eb1ef0a20d395206ea90c8a94ce62943e61bd0e10a90a4353", kill_on_drop: false }`
[INFO] [stdout] cd69a9c80c19b87eb1ef0a20d395206ea90c8a94ce62943e61bd0e10a90a4353