[INFO] fetching crate bdf-reader 0.1.1...
[INFO] testing bdf-reader-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate bdf-reader 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bdf-reader 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bdf-reader 0.1.1
[INFO] finished tweaking crates.io crate bdf-reader 0.1.1
[INFO] tweaked toml for crates.io crate bdf-reader 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v2.3.0
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded colored v2.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 972da3fc8dd04670413341d42ae68abb3e66fd5730741b9d2299beb1f1eed7b1
[INFO] running `Command { std: "docker" "start" "-a" "972da3fc8dd04670413341d42ae68abb3e66fd5730741b9d2299beb1f1eed7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "972da3fc8dd04670413341d42ae68abb3e66fd5730741b9d2299beb1f1eed7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972da3fc8dd04670413341d42ae68abb3e66fd5730741b9d2299beb1f1eed7b1", kill_on_drop: false }`
[INFO] [stdout] 972da3fc8dd04670413341d42ae68abb3e66fd5730741b9d2299beb1f1eed7b1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4963c48eed20416b6f60f3e5098d85267b28dcd9fc7177dcfd51421a1c82cecf
[INFO] running `Command { std: "docker" "start" "-a" "4963c48eed20416b6f60f3e5098d85267b28dcd9fc7177dcfd51421a1c82cecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling bdf-reader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "4963c48eed20416b6f60f3e5098d85267b28dcd9fc7177dcfd51421a1c82cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4963c48eed20416b6f60f3e5098d85267b28dcd9fc7177dcfd51421a1c82cecf", kill_on_drop: false }`
[INFO] [stdout] 4963c48eed20416b6f60f3e5098d85267b28dcd9fc7177dcfd51421a1c82cecf
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8999c0a4441aeeb1ae9d8620ddb33b94ad4160a03016724bf00eca01ab5c82a1
[INFO] running `Command { std: "docker" "start" "-a" "8999c0a4441aeeb1ae9d8620ddb33b94ad4160a03016724bf00eca01ab5c82a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.16
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling bdf-reader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling time v0.3.31
[INFO] [stderr]    Compiling simple_logger v2.3.0
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "8999c0a4441aeeb1ae9d8620ddb33b94ad4160a03016724bf00eca01ab5c82a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8999c0a4441aeeb1ae9d8620ddb33b94ad4160a03016724bf00eca01ab5c82a1", kill_on_drop: false }`
[INFO] [stdout] 8999c0a4441aeeb1ae9d8620ddb33b94ad4160a03016724bf00eca01ab5c82a1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3b09dfd616132c79ca4245ef48101a77fa17d6e8cc9c829be23c296f0faf803
[INFO] running `Command { std: "docker" "start" "-a" "e3b09dfd616132c79ca4245ef48101a77fa17d6e8cc9c829be23c296f0faf803", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bdf_reader-f8c7fe6deba9fb38)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tokens::test_token_parse_bitmap ... ok
[INFO] [stdout] test tokens::test_token_parse_chars ... ok
[INFO] [stdout] test tokens::test_token_parse_boundingbox ... ok
[INFO] [stdout] test tokens::test_token_parse_comment ... ok
[INFO] [stdout] test tokens::test_token_parse_contentversion ... ok
[INFO] [stdout] test tokens::test_token_parse_dwidth ... ok
[INFO] [stdout] test tokens::test_token_parse_dwidthvertical ... ok
[INFO] [stdout] test tokens::test_token_parse_encoding ... ok
[INFO] [stdout] test tokens::test_token_parse_endchar ... ok
[INFO] [stdout] test tokens::test_token_parse_endfont ... ok
[INFO] [stdout] test tokens::test_token_parse_endproperties ... ok
[INFO] [stdout] test tokens::test_token_parse_font ... ok
[INFO] [stdout] test tokens::test_token_parse_fontboundingbox ... ok
[INFO] [stdout] test tokens::test_token_parse_size ... ok
[INFO] [stdout] test tokens::test_token_parse_startchar ... ok
[INFO] [stdout] test tokens::test_token_parse_metricsset ... ok
[INFO] [stdout] test tokens::test_token_parse_swidth ... ok
[INFO] [stdout] test tokens::test_token_parse_startfont ... ok
[INFO] [stdout] test tokens::test_token_parse_startproperties ... ok
[INFO] [stdout] test tokens::test_token_parse_swidthvertical ... ok
[INFO] [stdout] test tokens::test_token_parse_vvector ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bdf-reader
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/lib.rs:17:59
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_12_0() {
[INFO] [stdout]   |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 8 | let reader = BufReader::new(File::open("path/to/font.bdf")?);
[INFO] [stdout]   |                                                           ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/lib.rs:18:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_12_0() {
[INFO] [stdout]   |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 9 | let font = Font::read(reader)?;
[INFO] [stdout]   |                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, bdf_reader::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e3b09dfd616132c79ca4245ef48101a77fa17d6e8cc9c829be23c296f0faf803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b09dfd616132c79ca4245ef48101a77fa17d6e8cc9c829be23c296f0faf803", kill_on_drop: false }`
[INFO] [stdout] e3b09dfd616132c79ca4245ef48101a77fa17d6e8cc9c829be23c296f0faf803
