[INFO] cloning repository https://github.com/Berberer/protohackers-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Berberer/protohackers-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerberer%2Fprotohackers-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerberer%2Fprotohackers-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 908b7dc091efe62ab40bcb444ebc8edb97cf2548
[INFO] checking Berberer/protohackers-solutions against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerberer%2Fprotohackers-solutions" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Berberer/protohackers-solutions
[INFO] finished tweaking git repo https://github.com/Berberer/protohackers-solutions
[INFO] tweaked toml for git repo https://github.com/Berberer/protohackers-solutions written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Berberer/protohackers-solutions on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Berberer/protohackers-solutions 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded fancy-regex v0.11.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded ryu v1.0.12
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded ahash v0.7.6
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded slab v0.4.7
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded tokio v1.24.2
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff1c908f24935ee1a7dfc82a03ac707327ad589b8bb7f0e6b6fe8afaed86407
[INFO] running `Command { std: "docker" "start" "-a" "1ff1c908f24935ee1a7dfc82a03ac707327ad589b8bb7f0e6b6fe8afaed86407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff1c908f24935ee1a7dfc82a03ac707327ad589b8bb7f0e6b6fe8afaed86407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff1c908f24935ee1a7dfc82a03ac707327ad589b8bb7f0e6b6fe8afaed86407", kill_on_drop: false }`
[INFO] [stdout] 1ff1c908f24935ee1a7dfc82a03ac707327ad589b8bb7f0e6b6fe8afaed86407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6df536ef6498a3dc0adaffc82e98e2de23f65a9e0958f47b97d857906b3ec2a
[INFO] running `Command { std: "docker" "start" "-a" "c6df536ef6498a3dc0adaffc82e98e2de23f65a9e0958f47b97d857906b3ec2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[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" "c6df536ef6498a3dc0adaffc82e98e2de23f65a9e0958f47b97d857906b3ec2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6df536ef6498a3dc0adaffc82e98e2de23f65a9e0958f47b97d857906b3ec2a", kill_on_drop: false }`
[INFO] [stdout] c6df536ef6498a3dc0adaffc82e98e2de23f65a9e0958f47b97d857906b3ec2a
