[INFO] cloning repository https://github.com/terraphim/md-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terraphim/md-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterraphim%2Fmd-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterraphim%2Fmd-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f850c825afcd6eceb3b139cdef9dd18b794313a
[INFO] checking terraphim/md-book against 615014f15745532730b9ce7a1d9309f8b4756f93 for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterraphim%2Fmd-book" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/terraphim/md-book
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/terraphim/md-book
[INFO] tweaked toml for git repo https://github.com/terraphim/md-book written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/terraphim/md-book on toolchain 615014f15745532730b9ce7a1d9309f8b4756f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/terraphim/md-book 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" "+615014f15745532730b9ce7a1d9309f8b4756f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a
[INFO] running `Command { std: "docker" "start" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
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[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.101
[INFO] [stderr]     Checking local-channel v0.1.5
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling v_htmlescape v0.15.8
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking unic-char-range v0.9.0
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[INFO] [stderr]     Checking arrayvec v0.7.6
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[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking language-tags v0.3.2
[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/615014f15745532730b9ce7a1d9309f8b4756f93/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=f62d849087f0e977 -C extra-filename=-f72c3efc7d15320e --out-dir /opt/rustwide/target/debug/build/syn/f72c3efc7d15320e/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/a4916dcd2575db7e/out -L dependency=/opt/rustwide/target/debug/build/quote/faae349f961da0a4/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/a4916dcd2575db7e/out/libproc_macro2-a4916dcd2575db7e.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/faae349f961da0a4/out/libquote-faae349f961da0a4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/615014f15745532730b9ce7a1d9309f8b4756f93/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"' --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=8e6d303f13a01f99 -C extra-filename=-cd49eab3eea7d690 --out-dir /opt/rustwide/target/debug/build/syn/cd49eab3eea7d690/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/a4916dcd2575db7e/out -L dependency=/opt/rustwide/target/debug/build/quote/faae349f961da0a4/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/a4916dcd2575db7e/out/libproc_macro2-a4916dcd2575db7e.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/faae349f961da0a4/out/libquote-faae349f961da0a4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a", kill_on_drop: false }`
[INFO] [stdout] ef8f392b317cdafd81b74f0ee2bec6ad2322f5e11a3be69495e734c30c3d502a
