[INFO] cloning repository https://github.com/voltpkg/volt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voltpkg/volt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Fvolt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Fvolt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bd8d61a303fd49dd6e702fc39430f8e30450d85
[INFO] documenting voltpkg/volt against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoltpkg%2Fvolt" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voltpkg/volt on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/voltpkg/volt
[INFO] finished tweaking git repo https://github.com/voltpkg/volt
[INFO] tweaked toml for git repo https://github.com/voltpkg/volt written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/voltpkg/volt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded rowan v0.10.6
[INFO] [stderr]   Downloaded schemars_derive v0.8.3
[INFO] [stderr]   Downloaded schemars v0.8.3
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded tokio v1.8.0
[INFO] [stderr]   Downloaded sluice v0.4.1
[INFO] [stderr]   Downloaded ansi_colours v1.0.4
[INFO] [stderr]   Downloaded bugreport v0.4.0
[INFO] [stderr]   Downloaded path_abs v0.5.1
[INFO] [stderr]   Downloaded clircle v0.3.0
[INFO] [stderr]   Downloaded time-macros-impl v0.1.2
[INFO] [stderr]   Downloaded typetag-impl v0.1.7
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded git-version v0.3.4
[INFO] [stderr]   Downloaded git-version-macro v0.3.4
[INFO] [stderr]   Downloaded sys-info v0.9.0
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded git2 v0.13.20
[INFO] [stderr]   Downloaded curl v0.4.38
[INFO] [stderr]   Downloaded crossterm_winapi v0.8.0
[INFO] [stderr]   Downloaded minimad v0.8.0
[INFO] [stderr]   Downloaded ureq v1.5.5
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded flume v0.10.7
[INFO] [stderr]   Downloaded dashmap v3.11.10
[INFO] [stderr]   Downloaded serde_derive_internals v0.25.0
[INFO] [stderr]   Downloaded crossterm v0.20.0
[INFO] [stderr]   Downloaded plist v1.1.0
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded globset v0.4.8
[INFO] [stderr]   Downloaded grep-cli v0.1.6
[INFO] [stderr]   Downloaded crossbeam v0.8.1
[INFO] [stderr]   Downloaded chttp v0.5.5
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded smol_str v0.1.18
[INFO] [stderr]   Downloaded console v0.14.1
[INFO] [stderr]   Downloaded yastl v0.1.2
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded tower-lsp v0.13.3
[INFO] [stderr]   Downloaded syntect v4.5.0
[INFO] [stderr]   Downloaded lexical v5.2.2
[INFO] [stderr]   Downloaded onig v6.2.0
[INFO] [stderr]   Downloaded onig_sys v69.7.0
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded time v0.2.27
[INFO] [stderr]   Downloaded bat v0.18.2
[INFO] [stderr]   Downloaded typetag v0.1.7
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]   Downloaded curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded taplo v0.4.0
[INFO] [stderr]   Downloaded wild v2.0.4
[INFO] [stderr]   Downloaded termimad v0.13.0
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded hyper v0.14.9
[INFO] [stderr]   Downloaded m_lexer v0.0.4
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded triomphe v0.1.3
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded auto_impl v0.4.1
[INFO] [stderr]   Downloaded lsp-types v0.81.0
[INFO] [stderr]   Downloaded tower-lsp-macros v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa1e775ad0e7b4747952f5a3a4f5bc032218a5f4ac532e8a6534d84146719977
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fa1e775ad0e7b4747952f5a3a4f5bc032218a5f4ac532e8a6534d84146719977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa1e775ad0e7b4747952f5a3a4f5bc032218a5f4ac532e8a6534d84146719977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1e775ad0e7b4747952f5a3a4f5bc032218a5f4ac532e8a6534d84146719977", kill_on_drop: false }`
[INFO] [stdout] fa1e775ad0e7b4747952f5a3a4f5bc032218a5f4ac532e8a6534d84146719977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc35c44751a399237cca50e526e2e5de88ceb8cee0664f7f57f7de2fa7f468d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc35c44751a399237cca50e526e2e5de88ceb8cee0664f7f57f7de2fa7f468d4", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling chttp v0.5.5
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.18
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking rslint_syntax v0.1.3 (/opt/rustwide/workdir/src/rslint/rslint_syntax)
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling bugreport v0.4.0
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]  Documenting rslint_syntax v0.1.3 (/opt/rustwide/workdir/src/rslint/rslint_syntax)
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking minimad v0.8.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking path_abs v0.5.1
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.2
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking signal-hook v0.3.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking rslint_rowan v0.10.0 (/opt/rustwide/workdir/src/rslint/rslint_rowan)
[INFO] [stderr]  Documenting rslint_rowan v0.10.0 (/opt/rustwide/workdir/src/rslint/rslint_rowan)
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking flume v0.10.7
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling rslint_macros v0.1.0 (/opt/rustwide/workdir/src/rslint/rslint_macros)
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling tower-lsp-macros v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr] error: could not compile `thiserror-impl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name thiserror_impl --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thiserror-impl-1.0.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=f3e5ec6fabc9f2a0 -C extra-filename=-f3e5ec6fabc9f2a0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ca47117b064b7f78.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-de724f3417462047.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-9724099f8b958789.rlib --extern proc_macro --cap-lints allow` (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" "cc35c44751a399237cca50e526e2e5de88ceb8cee0664f7f57f7de2fa7f468d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc35c44751a399237cca50e526e2e5de88ceb8cee0664f7f57f7de2fa7f468d4", kill_on_drop: false }`
[INFO] [stdout] cc35c44751a399237cca50e526e2e5de88ceb8cee0664f7f57f7de2fa7f468d4
