[INFO] cloning repository https://github.com/tronical/fontdbtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tronical/fontdbtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronical%2Ffontdbtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronical%2Ffontdbtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2537b3c42945d91487c96102492fdcf5be97875
[INFO] checking tronical/fontdbtest against master#accc516128b21e960b1a7af45393e9acdd184890 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronical%2Ffontdbtest" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tronical/fontdbtest on toolchain accc516128b21e960b1a7af45393e9acdd184890
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tronical/fontdbtest
[INFO] finished tweaking git repo https://github.com/tronical/fontdbtest
[INFO] tweaked toml for git repo https://github.com/tronical/fontdbtest written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tronical/fontdbtest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking tronical/fontdbtest against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronical%2Ffontdbtest" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tronical/fontdbtest on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tronical/fontdbtest
[INFO] finished tweaking git repo https://github.com/tronical/fontdbtest
[INFO] tweaked toml for git repo https://github.com/tronical/fontdbtest written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tronical/fontdbtest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking tronical/fontdbtest against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronical%2Ffontdbtest" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tronical/fontdbtest on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tronical/fontdbtest
[INFO] finished tweaking git repo https://github.com/tronical/fontdbtest
[INFO] tweaked toml for git repo https://github.com/tronical/fontdbtest written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tronical/fontdbtest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef96291c3a8e0e5b5f607f06c7fc2a5790436a5228f678019ecea1e7659cc5b6
[INFO] running `Command { std: "docker" "start" "-a" "ef96291c3a8e0e5b5f607f06c7fc2a5790436a5228f678019ecea1e7659cc5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef96291c3a8e0e5b5f607f06c7fc2a5790436a5228f678019ecea1e7659cc5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef96291c3a8e0e5b5f607f06c7fc2a5790436a5228f678019ecea1e7659cc5b6", kill_on_drop: false }`
[INFO] [stdout] ef96291c3a8e0e5b5f607f06c7fc2a5790436a5228f678019ecea1e7659cc5b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093ce63709ecb439f28f944cf93b10c8dfdb7f213ca282834a7831e462df38b9
[INFO] running `Command { std: "docker" "start" "-a" "093ce63709ecb439f28f944cf93b10c8dfdb7f213ca282834a7831e462df38b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking roxmltree v0.18.0
[INFO] [stderr]     Checking fontconfig-parser v0.5.2
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking fontdb v0.13.1
[INFO] [stderr]     Checking fontdbtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "093ce63709ecb439f28f944cf93b10c8dfdb7f213ca282834a7831e462df38b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093ce63709ecb439f28f944cf93b10c8dfdb7f213ca282834a7831e462df38b9", kill_on_drop: false }`
[INFO] [stdout] 093ce63709ecb439f28f944cf93b10c8dfdb7f213ca282834a7831e462df38b9