[INFO] cloning repository https://github.com/ChickenSherlock/Sieb-des-Eratosthenes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChickenSherlock/Sieb-des-Eratosthenes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChickenSherlock%2FSieb-des-Eratosthenes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChickenSherlock%2FSieb-des-Eratosthenes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 495734457ac7f05b69a02744468425bab95a60d4
[INFO] checking ChickenSherlock/Sieb-des-Eratosthenes against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChickenSherlock%2FSieb-des-Eratosthenes" "/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/ChickenSherlock/Sieb-des-Eratosthenes
[INFO] finished tweaking git repo https://github.com/ChickenSherlock/Sieb-des-Eratosthenes
[INFO] tweaked toml for git repo https://github.com/ChickenSherlock/Sieb-des-Eratosthenes written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChickenSherlock/Sieb-des-Eratosthenes on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ChickenSherlock/Sieb-des-Eratosthenes 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk4-rs.git`
[INFO] [stderr]     Skipping git submodule `https://github.com/gtk-rs/gir` due to update strategy in .gitmodules
[INFO] [stderr]     Skipping git submodule `https://github.com/gtk-rs/gir-files` due to update strategy in .gitmodules
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk-rs-core`
[INFO] [stderr]     Skipping git submodule `https://github.com/gtk-rs/gir` due to update strategy in .gitmodules
[INFO] [stderr]     Skipping git submodule `https://github.com/gtk-rs/gir-files` due to update strategy in .gitmodules
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk-rs-core`
[INFO] [stderr]     Skipping git submodule `https://github.com/gtk-rs/gir` due to update strategy in .gitmodules
[INFO] [stderr]     Skipping git submodule `https://github.com/gtk-rs/gir-files` due to update strategy in .gitmodules
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v0.6.1
[INFO] [stderr]   Downloaded toml v0.7.3
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded system-deps v6.0.4
[INFO] [stderr]   Downloaded cfg-expr v0.14.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 576ba4d7b2f18993363426b6d715908b401d62fb5b1e6bcbe0c64db24632c739
[INFO] running `Command { std: "docker" "start" "-a" "576ba4d7b2f18993363426b6d715908b401d62fb5b1e6bcbe0c64db24632c739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "576ba4d7b2f18993363426b6d715908b401d62fb5b1e6bcbe0c64db24632c739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576ba4d7b2f18993363426b6d715908b401d62fb5b1e6bcbe0c64db24632c739", kill_on_drop: false }`
[INFO] [stdout] 576ba4d7b2f18993363426b6d715908b401d62fb5b1e6bcbe0c64db24632c739
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf48df343e4bd1600b10fb367f122f07e1ae2e25ca74d88f704accdd67321bb4
[INFO] running `Command { std: "docker" "start" "-a" "cf48df343e4bd1600b10fb367f122f07e1ae2e25ca74d88f704accdd67321bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling gio v0.18.0 (https://github.com/gtk-rs/gtk-rs-core#a6e97ccb)
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] 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" "cf48df343e4bd1600b10fb367f122f07e1ae2e25ca74d88f704accdd67321bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf48df343e4bd1600b10fb367f122f07e1ae2e25ca74d88f704accdd67321bb4", kill_on_drop: false }`
[INFO] [stdout] cf48df343e4bd1600b10fb367f122f07e1ae2e25ca74d88f704accdd67321bb4
