[INFO] cloning repository https://github.com/Liam-Wirth/sortingvisualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Liam-Wirth/sortingvisualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiam-Wirth%2Fsortingvisualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiam-Wirth%2Fsortingvisualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2973365402ac19d12ce719f99a2639f3d1d07eb2
[INFO] checking Liam-Wirth/sortingvisualizer against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiam-Wirth%2Fsortingvisualizer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Liam-Wirth/sortingvisualizer
[INFO] finished tweaking git repo https://github.com/Liam-Wirth/sortingvisualizer
[INFO] tweaked toml for git repo https://github.com/Liam-Wirth/sortingvisualizer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Liam-Wirth/sortingvisualizer on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Liam-Wirth/sortingvisualizer 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5faab38c29947d530d92be069b5fbca272552bb6f05ae2539a07ab85398b75e6
[INFO] running `Command { std: "docker" "start" "-a" "5faab38c29947d530d92be069b5fbca272552bb6f05ae2539a07ab85398b75e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5faab38c29947d530d92be069b5fbca272552bb6f05ae2539a07ab85398b75e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5faab38c29947d530d92be069b5fbca272552bb6f05ae2539a07ab85398b75e6", kill_on_drop: false }`
[INFO] [stdout] 5faab38c29947d530d92be069b5fbca272552bb6f05ae2539a07ab85398b75e6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917cd0f007771de544f7e33bc2eb465b1255f35caff98ee58d90cd798f6fc15d
[INFO] running `Command { std: "docker" "start" "-a" "917cd0f007771de544f7e33bc2eb465b1255f35caff98ee58d90cd798f6fc15d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.13
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking ttf-parser v0.19.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 flate2 v1.0.26
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling glutin v0.30.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[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" "917cd0f007771de544f7e33bc2eb465b1255f35caff98ee58d90cd798f6fc15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917cd0f007771de544f7e33bc2eb465b1255f35caff98ee58d90cd798f6fc15d", kill_on_drop: false }`
[INFO] [stdout] 917cd0f007771de544f7e33bc2eb465b1255f35caff98ee58d90cd798f6fc15d