[INFO] cloning repository https://github.com/xd009642/mdbook-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xd009642/mdbook-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Fmdbook-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Fmdbook-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48ddf12324d5c5feaa7ff1378bf10626d21def68
[INFO] building xd009642/mdbook-chess against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Fmdbook-chess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xd009642/mdbook-chess
[INFO] finished tweaking git repo https://github.com/xd009642/mdbook-chess
[INFO] tweaked toml for git repo https://github.com/xd009642/mdbook-chess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xd009642/mdbook-chess on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xd009642/mdbook-chess 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96c80d6c1fea9358f363f3bf554c35dc3df1d981d1bd5fc634ce03888921aeb1
[INFO] running `Command { std: "docker" "start" "-a" "96c80d6c1fea9358f363f3bf554c35dc3df1d981d1bd5fc634ce03888921aeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c80d6c1fea9358f363f3bf554c35dc3df1d981d1bd5fc634ce03888921aeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c80d6c1fea9358f363f3bf554c35dc3df1d981d1bd5fc634ce03888921aeb1", kill_on_drop: false }`
[INFO] [stdout] 96c80d6c1fea9358f363f3bf554c35dc3df1d981d1bd5fc634ce03888921aeb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a507d8ecd04d5820f121ce66830a208aa5ed93d50189ba746113d8690c0045e8
[INFO] running `Command { std: "docker" "start" "-a" "a507d8ecd04d5820f121ce66830a208aa5ed93d50189ba746113d8690c0045e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling terminal_size v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling pest v2.7.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=4f4405ba177770c4 -C extra-filename=-c0cc3bb5929e92f5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-544f6200401c19e4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fb5bc81599bdb2ce.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-35fb19b3987835f7.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a507d8ecd04d5820f121ce66830a208aa5ed93d50189ba746113d8690c0045e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a507d8ecd04d5820f121ce66830a208aa5ed93d50189ba746113d8690c0045e8", kill_on_drop: false }`
[INFO] [stdout] a507d8ecd04d5820f121ce66830a208aa5ed93d50189ba746113d8690c0045e8