[INFO] cloning repository https://github.com/2Flwrs/aoc-2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2Flwrs/aoc-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2Flwrs%2Faoc-2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2Flwrs%2Faoc-2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 511ed57021c03f8e26ff92507000d5efbb53effc
[INFO] checking 2Flwrs/aoc-2015 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2Flwrs%2Faoc-2015" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/2Flwrs/aoc-2015
[INFO] finished tweaking git repo https://github.com/2Flwrs/aoc-2015
[INFO] tweaked toml for git repo https://github.com/2Flwrs/aoc-2015 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2Flwrs/aoc-2015 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/2Flwrs/aoc-2015 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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structmeta-derive v0.1.5
[INFO] [stderr]   Downloaded aoc-runner-derive v0.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded parse-display-derive v0.7.0
[INFO] [stderr]   Downloaded md-5 v0.10.5
[INFO] [stderr]   Downloaded aoc-runner v0.3.0
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr]   Downloaded structmeta v0.1.5
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded aoc-runner-internal v0.1.0
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded parse-display v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eebda8de44384564b719ab09ead9a01af1921b0c1cb8a8beaec77de144955b8d
[INFO] running `Command { std: "docker" "start" "-a" "eebda8de44384564b719ab09ead9a01af1921b0c1cb8a8beaec77de144955b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eebda8de44384564b719ab09ead9a01af1921b0c1cb8a8beaec77de144955b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebda8de44384564b719ab09ead9a01af1921b0c1cb8a8beaec77de144955b8d", kill_on_drop: false }`
[INFO] [stdout] eebda8de44384564b719ab09ead9a01af1921b0c1cb8a8beaec77de144955b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1385c8db261f0f166b7517bbb5de7f34c05a875e4b62ba0764b5463aa49654c
[INFO] running `Command { std: "docker" "start" "-a" "c1385c8db261f0f166b7517bbb5de7f34c05a875e4b62ba0764b5463aa49654c", 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 typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking aoc-runner v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[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] running `Command { std: "docker" "inspect" "c1385c8db261f0f166b7517bbb5de7f34c05a875e4b62ba0764b5463aa49654c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1385c8db261f0f166b7517bbb5de7f34c05a875e4b62ba0764b5463aa49654c", kill_on_drop: false }`
[INFO] [stdout] c1385c8db261f0f166b7517bbb5de7f34c05a875e4b62ba0764b5463aa49654c
