[INFO] cloning repository https://github.com/MikkelPaulson/refcell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MikkelPaulson/refcell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frefcell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frefcell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36336280694e7d4824f1819b9e01ea74183f7b73
[INFO] checking MikkelPaulson/refcell against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frefcell" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MikkelPaulson/refcell on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MikkelPaulson/refcell
[INFO] finished tweaking git repo https://github.com/MikkelPaulson/refcell
[INFO] tweaked toml for git repo https://github.com/MikkelPaulson/refcell written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MikkelPaulson/refcell 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "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 MikkelPaulson/refcell against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMikkelPaulson%2Frefcell" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MikkelPaulson/refcell on toolchain 031b389f0c31c0f91c9464d26313ae513dbe8d36
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MikkelPaulson/refcell
[INFO] finished tweaking git repo https://github.com/MikkelPaulson/refcell
[INFO] tweaked toml for git repo https://github.com/MikkelPaulson/refcell written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MikkelPaulson/refcell 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" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piet-web v0.1.0
[INFO] [stderr]   Downloaded piet-common v0.1.1
[INFO] [stderr]   Downloaded druid-derive v0.3.1
[INFO] [stderr]   Downloaded piet-direct2d v0.1.0
[INFO] [stderr]   Downloaded simple_logger v1.16.0
[INFO] [stderr]   Downloaded freetype v0.5.1
[INFO] [stderr]   Downloaded kurbo v0.6.3
[INFO] [stderr]   Downloaded directwrite v0.1.4
[INFO] [stderr]   Downloaded harfbuzz_rs v1.2.0
[INFO] [stderr]   Downloaded freetype-sys v0.11.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.4.1
[INFO] [stderr]   Downloaded usvg v0.9.1
[INFO] [stderr]   Downloaded druid-shell v0.6.0
[INFO] [stderr]   Downloaded piet v0.1.0
[INFO] [stderr]   Downloaded unicode-script v0.5.4
[INFO] [stderr]   Downloaded anyhow v1.0.61
[INFO] [stderr]   Downloaded fluent-syntax v0.9.3
[INFO] [stderr]   Downloaded druid v0.6.0
[INFO] [stderr]   Downloaded roxmltree v0.11.0
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded direct2d v0.2.0
[INFO] [stderr]   Downloaded direct3d11 v0.1.7
[INFO] [stderr]   Downloaded piet-cairo v0.1.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.1.1
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded dxgi v0.1.7
[INFO] [stderr]   Downloaded fluent-bundle v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db50f67a81bcc41f16230002fc35c98e165cfc37afea43cdfe3cfe80a1e712a3
[INFO] running `Command { std: "docker" "start" "-a" "db50f67a81bcc41f16230002fc35c98e165cfc37afea43cdfe3cfe80a1e712a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db50f67a81bcc41f16230002fc35c98e165cfc37afea43cdfe3cfe80a1e712a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db50f67a81bcc41f16230002fc35c98e165cfc37afea43cdfe3cfe80a1e712a3", kill_on_drop: false }`
[INFO] [stdout] db50f67a81bcc41f16230002fc35c98e165cfc37afea43cdfe3cfe80a1e712a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6726c97b0fe95da21470f460b88b83cf0d2f7864d3bdf0e2a8318de13406cd
[INFO] running `Command { std: "docker" "start" "-a" "fa6726c97b0fe95da21470f460b88b83cf0d2f7864d3bdf0e2a8318de13406cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking refcell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "fa6726c97b0fe95da21470f460b88b83cf0d2f7864d3bdf0e2a8318de13406cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6726c97b0fe95da21470f460b88b83cf0d2f7864d3bdf0e2a8318de13406cd", kill_on_drop: false }`
[INFO] [stdout] fa6726c97b0fe95da21470f460b88b83cf0d2f7864d3bdf0e2a8318de13406cd