[INFO] updating cached repository https://github.com/rubigo/yes
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 289721d515ac43979f574c9684d133ae3d18d628
[INFO] testing rubigo/yes against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubigo%2Fyes" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rubigo/yes on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rubigo/yes
[INFO] finished tweaking git repo https://github.com/rubigo/yes
[INFO] tweaked toml for git repo https://github.com/rubigo/yes written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rubigo/yes already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fe5d2ad8daa6e034e99aaa5bc971098ff036d4415da5e8734619cc7e7de63d85
[INFO] running `"docker" "start" "-a" "fe5d2ad8daa6e034e99aaa5bc971098ff036d4415da5e8734619cc7e7de63d85"`
[INFO] [stderr]    Compiling rubigo-yes v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: missing documentation for crate
[INFO] [stderr]   --> src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / #![doc(html_logo_url = "https://rubigo.github.io/coreutils/logo.png")]
[INFO] [stderr] 2  | | #![warn(missing_docs)]
[INFO] [stderr] 3  | |
[INFO] [stderr] 4  | | use std::io::{self, Write};
[INFO] [stderr] ...  |
[INFO] [stderr] 88 | |     }
[INFO] [stderr] 89 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait method
[INFO] [stderr]   --> src/lib.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn push(dest: &mut Self::Owned, ch: char);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait method
[INFO] [stderr]   --> src/lib.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn with_newline(&self) -> Self::Owned {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait
[INFO] [stderr]   --> src/lib.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub trait Yes {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait method
[INFO] [stderr]   --> src/lib.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn yes(&mut self, string: &str) -> io::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "fe5d2ad8daa6e034e99aaa5bc971098ff036d4415da5e8734619cc7e7de63d85"`
[INFO] running `"docker" "rm" "-f" "fe5d2ad8daa6e034e99aaa5bc971098ff036d4415da5e8734619cc7e7de63d85"`
[INFO] [stdout] fe5d2ad8daa6e034e99aaa5bc971098ff036d4415da5e8734619cc7e7de63d85
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b023d396a0512fbab103bd04c4d60cb9a3bc3ff4903fbdd5d7c2fccbe1a48c2d
[INFO] running `"docker" "start" "-a" "b023d396a0512fbab103bd04c4d60cb9a3bc3ff4903fbdd5d7c2fccbe1a48c2d"`
[INFO] [stderr]    Compiling rubigo-yes v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `"docker" "inspect" "b023d396a0512fbab103bd04c4d60cb9a3bc3ff4903fbdd5d7c2fccbe1a48c2d"`
[INFO] running `"docker" "rm" "-f" "b023d396a0512fbab103bd04c4d60cb9a3bc3ff4903fbdd5d7c2fccbe1a48c2d"`
[INFO] [stdout] b023d396a0512fbab103bd04c4d60cb9a3bc3ff4903fbdd5d7c2fccbe1a48c2d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 20dcc1077b1d32fa657e2015b4ce890e57cb73aa5b0642003e79c13bba712e80
[INFO] running `"docker" "start" "-a" "20dcc1077b1d32fa657e2015b4ce890e57cb73aa5b0642003e79c13bba712e80"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rubigo_yes-9401699ad7e9cfbc
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::string_with_newline_works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yes-1f81f55fc61f1912
[INFO] [stdout] test tests::write_repeat_stops_on_error ... ok
[INFO] [stdout] test tests::string_fill_works ... ok
[INFO] [stdout] test tests::yes_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rubigo-yes
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "20dcc1077b1d32fa657e2015b4ce890e57cb73aa5b0642003e79c13bba712e80"`
[INFO] running `"docker" "rm" "-f" "20dcc1077b1d32fa657e2015b4ce890e57cb73aa5b0642003e79c13bba712e80"`
[INFO] [stdout] 20dcc1077b1d32fa657e2015b4ce890e57cb73aa5b0642003e79c13bba712e80