[INFO] cloning repository https://github.com/mikebaldry/formulae
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikebaldry/formulae" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikebaldry%2Fformulae", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikebaldry%2Fformulae'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f8daa7f0a2b6b0b1eac196a44e01bc3edd984e2
[INFO] testing mikebaldry/formulae against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikebaldry%2Fformulae" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mikebaldry/formulae
[INFO] finished tweaking git repo https://github.com/mikebaldry/formulae
[INFO] tweaked toml for git repo https://github.com/mikebaldry/formulae written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mikebaldry/formulae on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mikebaldry/formulae already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99773eda75381b44a56ab7878191bfb8199ddb410426eff7dc45e1e515aee42d
[INFO] running `Command { std: "docker" "start" "-a" "99773eda75381b44a56ab7878191bfb8199ddb410426eff7dc45e1e515aee42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99773eda75381b44a56ab7878191bfb8199ddb410426eff7dc45e1e515aee42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99773eda75381b44a56ab7878191bfb8199ddb410426eff7dc45e1e515aee42d", kill_on_drop: false }`
[INFO] [stdout] 99773eda75381b44a56ab7878191bfb8199ddb410426eff7dc45e1e515aee42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37df35690cf307b54c7665a43def0e56f7facd261e49326a2cb72ce9c2fc39e2
[INFO] running `Command { std: "docker" "start" "-a" "37df35690cf307b54c7665a43def0e56f7facd261e49326a2cb72ce9c2fc39e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling formulae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CharBuffer` is never constructed
[INFO] [stdout]  --> src/char_buffer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CharBuffer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `peek`, `put_back`, and `take_byte_range_while` are never used
[INFO] [stdout]   --> src/char_buffer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a> CharBuffer<'a> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(data: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn peek(&mut self) -> Option<&(usize, char)> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn put_back(&mut self, item: (usize, char)) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn take_byte_range_while<F>(&mut self, mut predicate: F) -> Option<(usize, usize)>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "37df35690cf307b54c7665a43def0e56f7facd261e49326a2cb72ce9c2fc39e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37df35690cf307b54c7665a43def0e56f7facd261e49326a2cb72ce9c2fc39e2", kill_on_drop: false }`
[INFO] [stdout] 37df35690cf307b54c7665a43def0e56f7facd261e49326a2cb72ce9c2fc39e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b3c6501e2c5c5a963c064b817486a2b06a99405c0b2d64eaa82f21bc17af6b4
[INFO] running `Command { std: "docker" "start" "-a" "8b3c6501e2c5c5a963c064b817486a2b06a99405c0b2d64eaa82f21bc17af6b4", kill_on_drop: false }`
[INFO] [stdout] warning: struct `CharBuffer` is never constructed
[INFO] [stdout]  --> src/char_buffer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CharBuffer<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `peek`, `put_back`, and `take_byte_range_while` are never used
[INFO] [stdout]   --> src/char_buffer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'a> CharBuffer<'a> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(data: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn peek(&mut self) -> Option<&(usize, char)> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn put_back(&mut self, item: (usize, char)) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn take_byte_range_while<F>(&mut self, mut predicate: F) -> Option<(usize, usize)>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling formulae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "8b3c6501e2c5c5a963c064b817486a2b06a99405c0b2d64eaa82f21bc17af6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3c6501e2c5c5a963c064b817486a2b06a99405c0b2d64eaa82f21bc17af6b4", kill_on_drop: false }`
[INFO] [stdout] 8b3c6501e2c5c5a963c064b817486a2b06a99405c0b2d64eaa82f21bc17af6b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 750d90ab9adfa0dbc0740efebaae7973b21ca1af1f50bfa32ff3a003c19cfe12
[INFO] running `Command { std: "docker" "start" "-a" "750d90ab9adfa0dbc0740efebaae7973b21ca1af1f50bfa32ff3a003c19cfe12", kill_on_drop: false }`
[INFO] [stderr] warning: struct `CharBuffer` is never constructed
[INFO] [stderr]  --> src/char_buffer.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct CharBuffer<'a> {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `peek`, `put_back`, and `take_byte_range_while` are never used
[INFO] [stderr]   --> src/char_buffer.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl<'a> CharBuffer<'a> {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] 22 |     pub fn new(data: &'a str) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn peek(&mut self) -> Option<&(usize, char)> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     fn put_back(&mut self, item: (usize, char)) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn take_byte_range_while<F>(&mut self, mut predicate: F) -> Option<(usize, usize)>
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `formulae` (lib) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/formulae-667b7a5f82a34e37)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests formulae
[INFO] [stdout] running 16 tests
[INFO] [stdout] test char_buffer::tests::test_empty_string ... ok
[INFO] [stdout] test char_buffer::tests::test_iterator_trait ... ok
[INFO] [stdout] test char_buffer::tests::test_multibyte_characters ... ok
[INFO] [stdout] test char_buffer::tests::test_complex_put_back_scenario ... ok
[INFO] [stdout] test char_buffer::tests::test_basic_iteration ... ok
[INFO] [stdout] test char_buffer::tests::test_peek ... ok
[INFO] [stdout] test char_buffer::tests::test_peek_with_buffer ... ok
[INFO] [stdout] test char_buffer::tests::test_peek_with_multibyte ... ok
[INFO] [stdout] test char_buffer::tests::test_put_back ... ok
[INFO] [stdout] test char_buffer::tests::test_put_back_then_take_byte_range_while ... ok
[INFO] [stdout] test char_buffer::tests::test_take_byte_range_while_all_match ... ok
[INFO] [stdout] test char_buffer::tests::test_take_byte_range_while_multibyte ... ok
[INFO] [stdout] test char_buffer::tests::test_take_byte_range_while_no_matches ... ok
[INFO] [stdout] test char_buffer::tests::test_take_byte_range_while_basic ... ok
[INFO] [stdout] test char_buffer::tests::test_take_byte_range_while_single_char ... ok
[INFO] [stdout] test char_buffer::tests::test_put_back_twice_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "750d90ab9adfa0dbc0740efebaae7973b21ca1af1f50bfa32ff3a003c19cfe12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750d90ab9adfa0dbc0740efebaae7973b21ca1af1f50bfa32ff3a003c19cfe12", kill_on_drop: false }`
[INFO] [stdout] 750d90ab9adfa0dbc0740efebaae7973b21ca1af1f50bfa32ff3a003c19cfe12