[INFO] updating cached repository rubigo/yes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rubigo/yes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rubigo/yes" "work/ex/beta-1.38-1/sources/1.37.0/gh/rubigo/yes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rubigo/yes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rubigo/yes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubigo/yes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubigo/yes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 289721d515ac43979f574c9684d133ae3d18d628
[INFO] sha for GitHub repo rubigo/yes: 289721d515ac43979f574c9684d133ae3d18d628
[INFO] validating manifest of rubigo/yes on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rubigo/yes on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rubigo/yes
[INFO] finished frobbing rubigo/yes
[INFO] frobbed toml for rubigo/yes written to work/ex/beta-1.38-1/sources/1.37.0/gh/rubigo/yes/Cargo.toml
[INFO] started frobbing rubigo/yes
[INFO] finished frobbing rubigo/yes
[INFO] frobbed toml for rubigo/yes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubigo/yes/Cargo.toml
[INFO] crate rubigo/yes already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rubigo/yes/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rubigo/yes against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubigo/yes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 12c45f6e377d98fc3a6755b74590e6fba68be5142a6ffbf80dd4502a116cde76
[INFO] running `"docker" "start" "-a" "12c45f6e377d98fc3a6755b74590e6fba68be5142a6ffbf80dd4502a116cde76"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rubigo-yes v0.3.0 (/opt/crater/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 18.26s
[INFO] running `"docker" "inspect" "12c45f6e377d98fc3a6755b74590e6fba68be5142a6ffbf80dd4502a116cde76"`
[INFO] running `"docker" "rm" "-f" "12c45f6e377d98fc3a6755b74590e6fba68be5142a6ffbf80dd4502a116cde76"`
[INFO] [stdout] 12c45f6e377d98fc3a6755b74590e6fba68be5142a6ffbf80dd4502a116cde76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubigo/yes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c0425b66639d87740300c341c3a30fbca5d572a2935eaa8e8f8bb6c2600a9f3
[INFO] running `"docker" "start" "-a" "6c0425b66639d87740300c341c3a30fbca5d572a2935eaa8e8f8bb6c2600a9f3"`
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rubigo-yes v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `"docker" "inspect" "6c0425b66639d87740300c341c3a30fbca5d572a2935eaa8e8f8bb6c2600a9f3"`
[INFO] running `"docker" "rm" "-f" "6c0425b66639d87740300c341c3a30fbca5d572a2935eaa8e8f8bb6c2600a9f3"`
[INFO] [stdout] 6c0425b66639d87740300c341c3a30fbca5d572a2935eaa8e8f8bb6c2600a9f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rubigo/yes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2a9363417fdcf8d737d74d09f9737c5d205906bd1151d3eae448a77becfc7f5a
[INFO] running `"docker" "start" "-a" "2a9363417fdcf8d737d74d09f9737c5d205906bd1151d3eae448a77becfc7f5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rubigo_yes-f46c732555b8ff93
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::yes_works ... ok
[INFO] [stdout] test tests::write_repeat_stops_on_error ... ok
[INFO] [stdout] test tests::string_with_newline_works ... ok
[INFO] [stdout] test tests::string_fill_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yes-1bb8df66d139bde6
[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] [stderr]    Doc-tests rubigo-yes
[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" "2a9363417fdcf8d737d74d09f9737c5d205906bd1151d3eae448a77becfc7f5a"`
[INFO] running `"docker" "rm" "-f" "2a9363417fdcf8d737d74d09f9737c5d205906bd1151d3eae448a77becfc7f5a"`
[INFO] [stdout] 2a9363417fdcf8d737d74d09f9737c5d205906bd1151d3eae448a77becfc7f5a