[INFO] fetching crate ascii_basing 0.1.0...
[INFO] checking ascii_basing-0.1.0 against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] extracting crate ascii_basing 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ascii_basing 0.1.0
[INFO] finished tweaking crates.io crate ascii_basing 0.1.0
[INFO] tweaked toml for crates.io crate ascii_basing 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ascii_basing 0.1.0 on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "generate-lockfile" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ascii_basing-0.1.0 against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] extracting crate ascii_basing 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ascii_basing 0.1.0
[INFO] finished tweaking crates.io crate ascii_basing 0.1.0
[INFO] tweaked toml for crates.io crate ascii_basing 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ascii_basing 0.1.0 on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 657fea0bdb23a6c280b6b5826b76b80f6436577e8d742b95058d18d35ba5f663
[INFO] running `Command { std: "docker" "start" "-a" "657fea0bdb23a6c280b6b5826b76b80f6436577e8d742b95058d18d35ba5f663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657fea0bdb23a6c280b6b5826b76b80f6436577e8d742b95058d18d35ba5f663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657fea0bdb23a6c280b6b5826b76b80f6436577e8d742b95058d18d35ba5f663", kill_on_drop: false }`
[INFO] [stdout] 657fea0bdb23a6c280b6b5826b76b80f6436577e8d742b95058d18d35ba5f663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c012d01b84ad20ea8f5baa477b6ebbd70d8cd3f194fa6350711b1d1ce40dfb9
[INFO] running `Command { std: "docker" "start" "-a" "1c012d01b84ad20ea8f5baa477b6ebbd70d8cd3f194fa6350711b1d1ce40dfb9", kill_on_drop: false }`
[INFO] [stderr]     Checking ascii_basing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1c012d01b84ad20ea8f5baa477b6ebbd70d8cd3f194fa6350711b1d1ce40dfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c012d01b84ad20ea8f5baa477b6ebbd70d8cd3f194fa6350711b1d1ce40dfb9", kill_on_drop: false }`
[INFO] [stdout] 1c012d01b84ad20ea8f5baa477b6ebbd70d8cd3f194fa6350711b1d1ce40dfb9