[INFO] fetching crate boxx 0.0.3-beta...
[INFO] testing boxx-0.0.3-beta against 1.60.0 for beta-1.61-1
[INFO] extracting crate boxx 0.0.3-beta into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate boxx 0.0.3-beta on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boxx 0.0.3-beta
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate boxx 0.0.3-beta
[INFO] tweaked toml for crates.io crate boxx 0.0.3-beta written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate boxx 0.0.3-beta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded pulldown-cmark v0.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] [stderr]   Downloaded version-sync v0.8.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.16
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.12
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bacafea73fee8aaacb7a1c97daabc765f4b0ae76d9fec287b0448fa7ff25c31
[INFO] running `Command { std: "docker" "start" "-a" "1bacafea73fee8aaacb7a1c97daabc765f4b0ae76d9fec287b0448fa7ff25c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bacafea73fee8aaacb7a1c97daabc765f4b0ae76d9fec287b0448fa7ff25c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bacafea73fee8aaacb7a1c97daabc765f4b0ae76d9fec287b0448fa7ff25c31", kill_on_drop: false }`
[INFO] [stdout] 1bacafea73fee8aaacb7a1c97daabc765f4b0ae76d9fec287b0448fa7ff25c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf9de874b5c5b5dba094c8e32710f25b631bd9da0f10a1a88504caef6fc79d0
[INFO] running `Command { std: "docker" "start" "-a" "0bf9de874b5c5b5dba094c8e32710f25b631bd9da0f10a1a88504caef6fc79d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]    Compiling boxx v0.0.3-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `Command { std: "docker" "inspect" "0bf9de874b5c5b5dba094c8e32710f25b631bd9da0f10a1a88504caef6fc79d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf9de874b5c5b5dba094c8e32710f25b631bd9da0f10a1a88504caef6fc79d0", kill_on_drop: false }`
[INFO] [stdout] 0bf9de874b5c5b5dba094c8e32710f25b631bd9da0f10a1a88504caef6fc79d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7993338bcf4d78a3585e66e3696e0f699709ffbe5391adeeaba9a02829141825
[INFO] running `Command { std: "docker" "start" "-a" "7993338bcf4d78a3585e66e3696e0f699709ffbe5391adeeaba9a02829141825", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling boxx v0.0.3-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.76s
[INFO] running `Command { std: "docker" "inspect" "7993338bcf4d78a3585e66e3696e0f699709ffbe5391adeeaba9a02829141825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7993338bcf4d78a3585e66e3696e0f699709ffbe5391adeeaba9a02829141825", kill_on_drop: false }`
[INFO] [stdout] 7993338bcf4d78a3585e66e3696e0f699709ffbe5391adeeaba9a02829141825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0174a92f63211e22f23b0e587dff22b1c8a27c415c094588461f33388743e905
[INFO] running `Command { std: "docker" "start" "-a" "0174a92f63211e22f23b0e587dff22b1c8a27c415c094588461f33388743e905", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/boxx-bbc7630cab870bf0)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-05e508902999ebb4)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stderr]    Doc-tests boxx
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Boxx::as_str (line 97) ... FAILED
[INFO] [stdout] test src/lib.rs - Boxx::builder (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Boxx::display (line 84) ... ok
[INFO] [stdout] test src/lib.rs - Boxx::new (line 49) ... ok
[INFO] [stdout] test src/lib.rs - Boxx::default (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Boxx::as_str (line 97) 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:100:53
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_97_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 4 | | use boxx::Boxx;
[INFO] [stdout] 5 | |
[INFO] [stdout] 6 | | let result = Boxx::default().as_str("Hello, World!")?;
[INFO] [stdout]   | |                                                     ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7 | | println!("{}", result);
[INFO] [stdout] 8 | | } _doctest_main_src_lib_rs_97_0() }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, boxx::visual::VisualWidthError>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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 - Boxx::as_str (line 97)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "0174a92f63211e22f23b0e587dff22b1c8a27c415c094588461f33388743e905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0174a92f63211e22f23b0e587dff22b1c8a27c415c094588461f33388743e905", kill_on_drop: false }`
[INFO] [stdout] 0174a92f63211e22f23b0e587dff22b1c8a27c415c094588461f33388743e905