[INFO] cloning repository https://github.com/jcurtis/advent_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcurtis/advent_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcurtis%2Fadvent_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcurtis%2Fadvent_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b7f7d957fa2213781c09b171db54ad2cbf24993
[INFO] checking jcurtis/advent_2019 against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcurtis%2Fadvent_2019" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jcurtis/advent_2019
[INFO] finished tweaking git repo https://github.com/jcurtis/advent_2019
[INFO] tweaked toml for git repo https://github.com/jcurtis/advent_2019 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jcurtis/advent_2019 on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jcurtis/advent_2019 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathfinding v4.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e28c38ee4af8747fece89ab261bd651d475727761be330633f0271290bf113c0
[INFO] running `Command { std: "docker" "start" "-a" "e28c38ee4af8747fece89ab261bd651d475727761be330633f0271290bf113c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28c38ee4af8747fece89ab261bd651d475727761be330633f0271290bf113c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28c38ee4af8747fece89ab261bd651d475727761be330633f0271290bf113c0", kill_on_drop: false }`
[INFO] [stdout] e28c38ee4af8747fece89ab261bd651d475727761be330633f0271290bf113c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a5f5d3ccd0bd6ce95430a00f46cb0a5106c8758b17a8b25e512031dd19c7de4
[INFO] running `Command { std: "docker" "start" "-a" "9a5f5d3ccd0bd6ce95430a00f46cb0a5106c8758b17a8b25e512031dd19c7de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aoc-runner v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaVEBQw7"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9a5f5d3ccd0bd6ce95430a00f46cb0a5106c8758b17a8b25e512031dd19c7de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5f5d3ccd0bd6ce95430a00f46cb0a5106c8758b17a8b25e512031dd19c7de4", kill_on_drop: false }`
[INFO] [stdout] 9a5f5d3ccd0bd6ce95430a00f46cb0a5106c8758b17a8b25e512031dd19c7de4