[INFO] cloning repository https://github.com/PurpleBooth/game-of-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PurpleBooth/game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fgame-of-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fgame-of-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2656db4ade8bc1a44c4cdfe1076f7400450ee616
[INFO] checking PurpleBooth/game-of-life against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fgame-of-life" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleBooth/game-of-life on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PurpleBooth/game-of-life
[INFO] finished tweaking git repo https://github.com/PurpleBooth/game-of-life
[INFO] tweaked toml for git repo https://github.com/PurpleBooth/game-of-life written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleBooth/game-of-life 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal_size v0.2.6
[INFO] [stderr]   Downloaded retry v2.0.0
[INFO] [stderr]   Downloaded anstream v0.3.1
[INFO] [stderr]   Downloaded clap v4.2.4
[INFO] [stderr]   Downloaded clap_builder v4.2.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c39d1979c3a8d4ac566552dd638437df27f4a4c33bc917ff9020cb1c1fb98e55
[INFO] running `Command { std: "docker" "start" "-a" "c39d1979c3a8d4ac566552dd638437df27f4a4c33bc917ff9020cb1c1fb98e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39d1979c3a8d4ac566552dd638437df27f4a4c33bc917ff9020cb1c1fb98e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39d1979c3a8d4ac566552dd638437df27f4a4c33bc917ff9020cb1c1fb98e55", kill_on_drop: false }`
[INFO] [stdout] c39d1979c3a8d4ac566552dd638437df27f4a4c33bc917ff9020cb1c1fb98e55
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcfb2b53475c71d7be073af83cbcb8d65c9eb6bd1d564acabfe0523a03347c29
[INFO] running `Command { std: "docker" "start" "-a" "fcfb2b53475c71d7be073af83cbcb8d65c9eb6bd1d564acabfe0523a03347c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.15
[INFO] [stderr]     Checking linux-raw-sys v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking unicase v2.6.0
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]    Compiling game-of-life v1.53.77 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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" "fcfb2b53475c71d7be073af83cbcb8d65c9eb6bd1d564acabfe0523a03347c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfb2b53475c71d7be073af83cbcb8d65c9eb6bd1d564acabfe0523a03347c29", kill_on_drop: false }`
[INFO] [stdout] fcfb2b53475c71d7be073af83cbcb8d65c9eb6bd1d564acabfe0523a03347c29