[INFO] cloning repository https://github.com/cbiffle/rtiow-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbiffle/rtiow-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2687dfbf1fead48b8709378aa67fb8331fa637ca
[INFO] checking cbiffle/rtiow-rust against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbiffle/rtiow-rust on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbiffle/rtiow-rust
[INFO] finished tweaking git repo https://github.com/cbiffle/rtiow-rust
[INFO] tweaked toml for git repo https://github.com/cbiffle/rtiow-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cbiffle/rtiow-rust 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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "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 cbiffle/rtiow-rust against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Frtiow-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbiffle/rtiow-rust on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cbiffle/rtiow-rust
[INFO] finished tweaking git repo https://github.com/cbiffle/rtiow-rust
[INFO] tweaked toml for git repo https://github.com/cbiffle/rtiow-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cbiffle/rtiow-rust 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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c182091d8f46a23adff05656d598d7589a71471da2eabd12e7e29898b7ecbdbe
[INFO] running `Command { std: "docker" "start" "-a" "c182091d8f46a23adff05656d598d7589a71471da2eabd12e7e29898b7ecbdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c182091d8f46a23adff05656d598d7589a71471da2eabd12e7e29898b7ecbdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c182091d8f46a23adff05656d598d7589a71471da2eabd12e7e29898b7ecbdbe", kill_on_drop: false }`
[INFO] [stdout] c182091d8f46a23adff05656d598d7589a71471da2eabd12e7e29898b7ecbdbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d802e577a659be17ff72ed20858959873d5b59fc93f71696ed94d9522dd0e16
[INFO] running `Command { std: "docker" "start" "-a" "6d802e577a659be17ff72ed20858959873d5b59fc93f71696ed94d9522dd0e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6d802e577a659be17ff72ed20858959873d5b59fc93f71696ed94d9522dd0e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d802e577a659be17ff72ed20858959873d5b59fc93f71696ed94d9522dd0e16", kill_on_drop: false }`
[INFO] [stdout] 6d802e577a659be17ff72ed20858959873d5b59fc93f71696ed94d9522dd0e16