[INFO] fetching crate display_with_options 0.1.3... [INFO] testing display_with_options-0.1.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate display_with_options 0.1.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate display_with_options 0.1.3 [INFO] finished tweaking crates.io crate display_with_options 0.1.3 [INFO] tweaked toml for crates.io crate display_with_options 0.1.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate display_with_options 0.1.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df204a1b12fe0b36e3491859b4bffcae2fe1177c0b85fd36a1f4bddddccd0bb4 [INFO] running `Command { std: "docker" "start" "-a" "df204a1b12fe0b36e3491859b4bffcae2fe1177c0b85fd36a1f4bddddccd0bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df204a1b12fe0b36e3491859b4bffcae2fe1177c0b85fd36a1f4bddddccd0bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df204a1b12fe0b36e3491859b4bffcae2fe1177c0b85fd36a1f4bddddccd0bb4", kill_on_drop: false }` [INFO] [stdout] df204a1b12fe0b36e3491859b4bffcae2fe1177c0b85fd36a1f4bddddccd0bb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ea35f301030e2c8148652d9ed6a3c00172980651fa5aad1b0f0ded4a2d718cb [INFO] running `Command { std: "docker" "start" "-a" "7ea35f301030e2c8148652d9ed6a3c00172980651fa5aad1b0f0ded4a2d718cb", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling display_with_options v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "7ea35f301030e2c8148652d9ed6a3c00172980651fa5aad1b0f0ded4a2d718cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ea35f301030e2c8148652d9ed6a3c00172980651fa5aad1b0f0ded4a2d718cb", kill_on_drop: false }` [INFO] [stdout] 7ea35f301030e2c8148652d9ed6a3c00172980651fa5aad1b0f0ded4a2d718cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb2dc908837bbe91b0063cdeaf6baa4240e8a828a4d12e559796607e3414003f [INFO] running `Command { std: "docker" "start" "-a" "eb2dc908837bbe91b0063cdeaf6baa4240e8a828a4d12e559796607e3414003f", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling display_with_options v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "eb2dc908837bbe91b0063cdeaf6baa4240e8a828a4d12e559796607e3414003f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb2dc908837bbe91b0063cdeaf6baa4240e8a828a4d12e559796607e3414003f", kill_on_drop: false }` [INFO] [stdout] eb2dc908837bbe91b0063cdeaf6baa4240e8a828a4d12e559796607e3414003f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fc2ef30cbb3625a35125a7139be17918df271e42dbbb2f72ed131d3d8b81e14f [INFO] running `Command { std: "docker" "start" "-a" "fc2ef30cbb3625a35125a7139be17918df271e42dbbb2f72ed131d3d8b81e14f", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/display_with_options-f054179a6f9968c6) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::tests::indent_twice ... ok [INFO] [stderr] Doc-tests display_with_options [INFO] [stdout] [INFO] [stdout] test result: ok. 1 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 src/lib.rs - (line 16) ... FAILED [INFO] [stdout] test src/lib.rs - (line 37) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 16) stdout ---- [INFO] [stdout] error[E0599]: cannot write into `Vec` [INFO] [stdout] --> src/lib.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 9 | writeln!(dst, "A").unwrap(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1950:8 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `Vec` here [INFO] [stdout] note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method [INFO] [stdout] --> src/lib.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 9 | writeln!(dst, "A").unwrap(); [INFO] [stdout] | ^^^ [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `Write` which provides `write_fmt` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 2 + use std::io::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Vec: std::fmt::Write` is not satisfied [INFO] [stdout] --> src/lib.rs:25:41 [INFO] [stdout] | [INFO] [stdout] 11 | let mut f = IndentingFormatter::new(&mut dst, " "); [INFO] [stdout] | ^^^^^^^^ the trait `std::fmt::Write` is not implemented for `Vec` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `std::fmt::Write`: [INFO] [stdout] &mut W [INFO] [stdout] Formatter<'_> [INFO] [stdout] IndentingFormatter<'a, 'b> [INFO] [stdout] OsString [INFO] [stdout] String [INFO] [stdout] = note: required for the cast from `&mut Vec` to `&mut dyn std::fmt::Write` [INFO] [stdout] [INFO] [stdout] error[E0599]: cannot write into `IndentingFormatter<'_, '_>` [INFO] [stdout] --> src/lib.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 12 | writeln!(f, "B").unwrap(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:209:8 [INFO] [stdout] | [INFO] [stdout] = note: the method is available for `IndentingFormatter<'_, '_>` here [INFO] [stdout] note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method [INFO] [stdout] --> src/lib.rs:26:14 [INFO] [stdout] | [INFO] [stdout] 12 | writeln!(f, "B").unwrap(); [INFO] [stdout] | ^ [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: trait `Write` which provides `write_fmt` is implemented but not in scope; perhaps you want to import it [INFO] [stdout] | [INFO] [stdout] 2 + use std::fmt::Write; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 16) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "fc2ef30cbb3625a35125a7139be17918df271e42dbbb2f72ed131d3d8b81e14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc2ef30cbb3625a35125a7139be17918df271e42dbbb2f72ed131d3d8b81e14f", kill_on_drop: false }` [INFO] [stdout] fc2ef30cbb3625a35125a7139be17918df271e42dbbb2f72ed131d3d8b81e14f