[INFO] fetching crate xtr 0.1.5...
[INFO] checking xtr-0.1.5 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate xtr 0.1.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate xtr 0.1.5 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtr 0.1.5
[INFO] finished tweaking crates.io crate xtr 0.1.5
[INFO] tweaked toml for crates.io crate xtr 0.1.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate xtr 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df676df50a36abc91cf7a163fbf6f24cf172ec1dbb9cce2a408996e9c939fa0f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df676df50a36abc91cf7a163fbf6f24cf172ec1dbb9cce2a408996e9c939fa0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df676df50a36abc91cf7a163fbf6f24cf172ec1dbb9cce2a408996e9c939fa0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df676df50a36abc91cf7a163fbf6f24cf172ec1dbb9cce2a408996e9c939fa0f", kill_on_drop: false }`
[INFO] [stdout] df676df50a36abc91cf7a163fbf6f24cf172ec1dbb9cce2a408996e9c939fa0f
[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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cadab6544c30bb8c62d2adf7e83c6d2dc6970ed6a4eee85e1d09fc55983f9b5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cadab6544c30bb8c62d2adf7e83c6d2dc6970ed6a4eee85e1d09fc55983f9b5e", 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] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling gettext-sys v0.19.9
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking locale_config v0.2.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cadab6544c30bb8c62d2adf7e83c6d2dc6970ed6a4eee85e1d09fc55983f9b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadab6544c30bb8c62d2adf7e83c6d2dc6970ed6a4eee85e1d09fc55983f9b5e", kill_on_drop: false }`
[INFO] [stdout] cadab6544c30bb8c62d2adf7e83c6d2dc6970ed6a4eee85e1d09fc55983f9b5e