[INFO] cloning repository https://github.com/yngtdd/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yngtdd/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtdd%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtdd%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dca972211a1796744f6ee2d97e37a971c359ebc9
[INFO] checking yngtdd/aoc against master#6a9758d4f38d4763bd437c48fa7e5246cecf8d04 for pr-124355
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtdd%2Faoc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yngtdd/aoc on toolchain 6a9758d4f38d4763bd437c48fa7e5246cecf8d04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yngtdd/aoc
[INFO] finished tweaking git repo https://github.com/yngtdd/aoc
[INFO] tweaked toml for git repo https://github.com/yngtdd/aoc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yngtdd/aoc 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" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "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 yngtdd/aoc against try#99e7531f0d1cf95a50aff9cccb24863963e6bbe2 for pr-124355
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtdd%2Faoc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yngtdd/aoc on toolchain 99e7531f0d1cf95a50aff9cccb24863963e6bbe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yngtdd/aoc
[INFO] finished tweaking git repo https://github.com/yngtdd/aoc
[INFO] tweaked toml for git repo https://github.com/yngtdd/aoc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yngtdd/aoc 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" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking yngtdd/aoc against try#99e7531f0d1cf95a50aff9cccb24863963e6bbe2 for pr-124355
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtdd%2Faoc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yngtdd/aoc on toolchain 99e7531f0d1cf95a50aff9cccb24863963e6bbe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yngtdd/aoc
[INFO] finished tweaking git repo https://github.com/yngtdd/aoc
[INFO] tweaked toml for git repo https://github.com/yngtdd/aoc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yngtdd/aoc 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" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto v0.4.0
[INFO] [stderr]   Downloaded aoc-runner-derive v0.3.0
[INFO] [stderr]   Downloaded aoc-runner v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded aoc-runner-internal v0.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded serde_json v1.0.89
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68950e05eb732f3c005cff32a0e4a0d2b1bf6d067309fb731bc60a0a640b6ed2
[INFO] running `Command { std: "docker" "start" "-a" "68950e05eb732f3c005cff32a0e4a0d2b1bf6d067309fb731bc60a0a640b6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68950e05eb732f3c005cff32a0e4a0d2b1bf6d067309fb731bc60a0a640b6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68950e05eb732f3c005cff32a0e4a0d2b1bf6d067309fb731bc60a0a640b6ed2", kill_on_drop: false }`
[INFO] [stdout] 68950e05eb732f3c005cff32a0e4a0d2b1bf6d067309fb731bc60a0a640b6ed2
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303ccece7e5b55edf5565df8d9b1dcbf8345bcf8273ed336020bda02b0e3f5c6
[INFO] running `Command { std: "docker" "start" "-a" "303ccece7e5b55edf5565df8d9b1dcbf8345bcf8273ed336020bda02b0e3f5c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]     Checking aoc-runner v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[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] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[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" "303ccece7e5b55edf5565df8d9b1dcbf8345bcf8273ed336020bda02b0e3f5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303ccece7e5b55edf5565df8d9b1dcbf8345bcf8273ed336020bda02b0e3f5c6", kill_on_drop: false }`
[INFO] [stdout] 303ccece7e5b55edf5565df8d9b1dcbf8345bcf8273ed336020bda02b0e3f5c6