[INFO] cloning repository https://github.com/gmjosack/coreutils.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmjosack/coreutils.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmjosack%2Fcoreutils.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmjosack%2Fcoreutils.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b9ff9d971867cf4c1666e337d18946fa85649a6
[INFO] documenting gmjosack/coreutils.rs against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmjosack%2Fcoreutils.rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmjosack/coreutils.rs on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gmjosack/coreutils.rs
[INFO] finished tweaking git repo https://github.com/gmjosack/coreutils.rs
[INFO] tweaked toml for git repo https://github.com/gmjosack/coreutils.rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gmjosack/coreutils.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73e695f88a4d54bcc5c97c83b94a21ac18bd4c1def7620c95491050df590162e
[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" "73e695f88a4d54bcc5c97c83b94a21ac18bd4c1def7620c95491050df590162e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73e695f88a4d54bcc5c97c83b94a21ac18bd4c1def7620c95491050df590162e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e695f88a4d54bcc5c97c83b94a21ac18bd4c1def7620c95491050df590162e", kill_on_drop: false }`
[INFO] [stdout] 73e695f88a4d54bcc5c97c83b94a21ac18bd4c1def7620c95491050df590162e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 81485a33d370bf69926fc425d4de640c9e8fc4d428e4370bb0c7a0bcaff56bf7
[INFO] running `Command { std: "docker" "start" "-a" "81485a33d370bf69926fc425d4de640c9e8fc4d428e4370bb0c7a0bcaff56bf7", kill_on_drop: false }`
[INFO] [stderr]     Checking coreutils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting coreutils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `stdio` is private
[INFO] [stdout]    --> src/bin/yes.rs:44:31
[INFO] [stdout]     |
[INFO] [stdout] 44  |     let mut stdout = &mut io::stdio::stdout();
[INFO] [stdout]     |                               ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `stdio` is defined here
[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] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]  --> src/bin/logname.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::funcs::posix88::unistd::getlogin;
[INFO] [stdout]   |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::c_str`
[INFO] [stdout]  --> src/bin/logname.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::c_str::CString;
[INFO] [stdout]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name yes src/bin/yes.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern coreutils=/opt/rustwide/target/debug/deps/libcoreutils-ab2dcd96b5a93ef7.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "81485a33d370bf69926fc425d4de640c9e8fc4d428e4370bb0c7a0bcaff56bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81485a33d370bf69926fc425d4de640c9e8fc4d428e4370bb0c7a0bcaff56bf7", kill_on_drop: false }`
[INFO] [stdout] 81485a33d370bf69926fc425d4de640c9e8fc4d428e4370bb0c7a0bcaff56bf7