[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] testing Ekleog/nixpkgs-check against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkleog%2Fnixpkgs-check" "/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/Ekleog/nixpkgs-check on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-4/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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded matches v0.1.8
[INFO] [stderr]   Downloaded openssl-probe v0.1.2
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded url v2.2.1
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded unicode-normalization v0.1.17
[INFO] [stderr]   Downloaded openssl-sys v0.9.61
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded tinyvec v1.1.1
[INFO] [stderr]   Downloaded idna v0.2.2
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded os_type v2.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded console v0.14.1
[INFO] [stderr]   Downloaded vcpkg v0.2.11
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded tempfile v3.2.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded git2 v0.13.17
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]   Downloaded libz-sys v1.1.2
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0dc762255e6dc6d2f7b32a9f5f457d083b926efeb050fbe5dbb0c36249e0fdd
[INFO] running `Command { std: "docker" "start" "-a" "a0dc762255e6dc6d2f7b32a9f5f457d083b926efeb050fbe5dbb0c36249e0fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0dc762255e6dc6d2f7b32a9f5f457d083b926efeb050fbe5dbb0c36249e0fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dc762255e6dc6d2f7b32a9f5f457d083b926efeb050fbe5dbb0c36249e0fdd", kill_on_drop: false }`
[INFO] [stdout] a0dc762255e6dc6d2f7b32a9f5f457d083b926efeb050fbe5dbb0c36249e0fdd
[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" "RUSTFLAGS=--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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709711e28f94afd5e83d47ff9550d4710b98736480b2cee943904f61dbbe7d09
[INFO] running `Command { std: "docker" "start" "-a" "709711e28f94afd5e83d47ff9550d4710b98736480b2cee943904f61dbbe7d09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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]    Compiling console v0.14.1
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling dialoguer v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling git2 v0.13.17
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nixpkgs-check` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "709711e28f94afd5e83d47ff9550d4710b98736480b2cee943904f61dbbe7d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709711e28f94afd5e83d47ff9550d4710b98736480b2cee943904f61dbbe7d09", kill_on_drop: false }`
[INFO] [stdout] 709711e28f94afd5e83d47ff9550d4710b98736480b2cee943904f61dbbe7d09