[INFO] cloning repository https://github.com/Ekleog/nixpkgs-check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ekleog/nixpkgs-check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Fnixpkgs-check", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Fnixpkgs-check'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57d6fce6ca650d993128c016ec391f2d6c487838
[INFO] documenting Ekleog/nixpkgs-check against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Fnixpkgs-check" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ekleog/nixpkgs-check on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ekleog/nixpkgs-check
[INFO] finished tweaking git repo https://github.com/Ekleog/nixpkgs-check
[INFO] tweaked toml for git repo https://github.com/Ekleog/nixpkgs-check written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Ekleog/nixpkgs-check already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded os_type v2.2.0
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d60b6364ca4c487be63c27cd70163ae70ccb9d7a3f27e534f32c801f0305be8a
[INFO] running `Command { std: "docker" "start" "-a" "d60b6364ca4c487be63c27cd70163ae70ccb9d7a3f27e534f32c801f0305be8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d60b6364ca4c487be63c27cd70163ae70ccb9d7a3f27e534f32c801f0305be8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60b6364ca4c487be63c27cd70163ae70ccb9d7a3f27e534f32c801f0305be8a", kill_on_drop: false }`
[INFO] [stdout] d60b6364ca4c487be63c27cd70163ae70ccb9d7a3f27e534f32c801f0305be8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b71e9493bc3dd7a495d5a919565ea96411e63cdd7b513fb1a0947d0e6856ec85
[INFO] running `Command { std: "docker" "start" "-a" "b71e9493bc3dd7a495d5a919565ea96411e63cdd7b513fb1a0947d0e6856ec85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]     Checking git2 v0.13.17
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]  Documenting nixpkgs-check v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `CONTRIBUTING_MD_PATH` not defined
[INFO] [stdout]  --> src/checks/confirm_contributing.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | const CONTRIBUTING: &str = include_str!(env!("CONTRIBUTING_MD_PATH"));
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `nixpkgs-check`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name nixpkgs_check src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=88afffd8897be9c4 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-28eb29892e733151.rmeta --extern bytesize=/opt/rustwide/target/debug/deps/libbytesize-70e76d7fa228e0ae.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-08220025bba56f52.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-e228b057bd389071.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-b2fcf4d1bef5f7eb.rmeta --extern dialoguer=/opt/rustwide/target/debug/deps/libdialoguer-c1d6088971511ddb.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-83ae2c54f442c131.rmeta --extern git2=/opt/rustwide/target/debug/deps/libgit2-92e65a7023a5ec56.rmeta --extern os_type=/opt/rustwide/target/debug/deps/libos_type-0cbe84aaf3d3270a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1651e8d90ca48598.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2af82c6f9448d2ef.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-e5d349dcf2841328.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-cb94d2283d2ba29c.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-58c97ab7ccc482ec.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-86784343da83fa59.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b71e9493bc3dd7a495d5a919565ea96411e63cdd7b513fb1a0947d0e6856ec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71e9493bc3dd7a495d5a919565ea96411e63cdd7b513fb1a0947d0e6856ec85", kill_on_drop: false }`
[INFO] [stdout] b71e9493bc3dd7a495d5a919565ea96411e63cdd7b513fb1a0947d0e6856ec85