[INFO] cloning repository https://github.com/pnealgit/dungeoncrawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pnealgit/dungeoncrawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnealgit%2Fdungeoncrawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnealgit%2Fdungeoncrawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b6edc7e46d7b173c4598f4aed1fe216d417d13a
[INFO] documenting pnealgit/dungeoncrawl against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnealgit%2Fdungeoncrawl" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pnealgit/dungeoncrawl on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pnealgit/dungeoncrawl
[INFO] finished tweaking git repo https://github.com/pnealgit/dungeoncrawl
[INFO] tweaked toml for git repo https://github.com/pnealgit/dungeoncrawl written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/pnealgit/dungeoncrawl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e92dbc99fe543e59ce505b639f4615ad3afdbbede1be4bcb376a0257909cf201
[INFO] running `Command { std: "docker" "start" "-a" "e92dbc99fe543e59ce505b639f4615ad3afdbbede1be4bcb376a0257909cf201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e92dbc99fe543e59ce505b639f4615ad3afdbbede1be4bcb376a0257909cf201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92dbc99fe543e59ce505b639f4615ad3afdbbede1be4bcb376a0257909cf201", kill_on_drop: false }`
[INFO] [stdout] e92dbc99fe543e59ce505b639f4615ad3afdbbede1be4bcb376a0257909cf201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef243e4b625f66f82e07199aa7d89784fda37ba3a68d382396f8393c052cf5c
[INFO] running `Command { std: "docker" "start" "-a" "bef243e4b625f66f82e07199aa7d89784fda37ba3a68d382396f8393c052cf5c", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling libc v0.2.99
[INFO] [stderr] Compiling xml-rs v0.8.4
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Checking smallvec v1.6.1
[INFO] [stderr] Compiling pkg-config v0.3.19
[INFO] [stderr] Compiling syn v1.0.74
[INFO] [stderr] Checking downcast-rs v1.2.0
[INFO] [stderr] Compiling version_check v0.9.3
[INFO] [stderr] Checking once_cell v1.8.0
[INFO] [stderr] Checking scoped-tls v1.0.0
[INFO] [stderr] Checking ttf-parser v0.6.2
[INFO] [stderr] Compiling nix v0.18.0
[INFO] [stderr] Checking same-file v1.0.6
[INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr] Checking slab v0.4.4
[INFO] [stderr] Compiling serde_derive v1.0.127
[INFO] [stderr] Checking lazycell v1.3.0
[INFO] [stderr] Compiling serde v1.0.127
[INFO] [stderr] Checking regex-syntax v0.6.25
[INFO] [stderr] Compiling anyhow v1.0.42
[INFO] [stderr] Checking jpeg-decoder v0.1.22
[INFO] [stderr] Compiling erased-serde v0.3.16
[INFO] [stderr] Checking bit-vec v0.6.3
[INFO] [stderr] Checking glow v0.10.0
[INFO] [stderr] Compiling paste v1.0.5
[INFO] [stderr] Checking libloading v0.7.0
[INFO] [stderr] Checking instant v0.1.10
[INFO] [stderr] Checking libloading v0.6.7
[INFO] [stderr] Checking lock_api v0.4.4
[INFO] [stderr] Checking safe_arch v0.5.2
[INFO] [stderr] Compiling miniz_oxide v0.4.4
[INFO] [stderr] Compiling crossbeam-utils v0.7.2
[INFO] [stderr] Checking itertools v0.9.0
[INFO] [stderr] Checking png v0.16.8
[INFO] [stderr] Checking dlib v0.5.0
[INFO] [stderr] Checking walkdir v2.3.2
[INFO] [stderr] Checking dlib v0.4.2
[INFO] [stderr] Checking bit-set v0.5.2
[INFO] [stderr] Checking wide v0.6.5
[INFO] [stderr] Compiling nom v6.2.1
[INFO] [stderr] Compiling wayland-sys v0.28.6
[INFO] [stderr] Compiling x11-dl v2.18.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.74/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=51bac842c2870635 -C extra-filename=-51bac842c2870635 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7fd25c3770c30c44.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4f2ff32975dd8b04.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bef243e4b625f66f82e07199aa7d89784fda37ba3a68d382396f8393c052cf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef243e4b625f66f82e07199aa7d89784fda37ba3a68d382396f8393c052cf5c", kill_on_drop: false }`
[INFO] [stdout] bef243e4b625f66f82e07199aa7d89784fda37ba3a68d382396f8393c052cf5c