[INFO] fetching crate utf8-decode 1.0.1... [INFO] testing utf8-decode-1.0.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate utf8-decode 1.0.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate utf8-decode 1.0.1 [INFO] finished tweaking crates.io crate utf8-decode 1.0.1 [INFO] tweaked toml for crates.io crate utf8-decode 1.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate utf8-decode 1.0.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10627d84611a3b88a8f4044d9d222a356dac2f3f905f1c8b3d729a101f91903d [INFO] running `Command { std: "docker" "start" "-a" "10627d84611a3b88a8f4044d9d222a356dac2f3f905f1c8b3d729a101f91903d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10627d84611a3b88a8f4044d9d222a356dac2f3f905f1c8b3d729a101f91903d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10627d84611a3b88a8f4044d9d222a356dac2f3f905f1c8b3d729a101f91903d", kill_on_drop: false }` [INFO] [stdout] 10627d84611a3b88a8f4044d9d222a356dac2f3f905f1c8b3d729a101f91903d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bfb25100bb268fec4d7b69137f88cfaf551e9a1d007e941a0f0019281ceff89 [INFO] running `Command { std: "docker" "start" "-a" "8bfb25100bb268fec4d7b69137f88cfaf551e9a1d007e941a0f0019281ceff89", kill_on_drop: false }` [INFO] [stderr] Compiling utf8-decode v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "8bfb25100bb268fec4d7b69137f88cfaf551e9a1d007e941a0f0019281ceff89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bfb25100bb268fec4d7b69137f88cfaf551e9a1d007e941a0f0019281ceff89", kill_on_drop: false }` [INFO] [stdout] 8bfb25100bb268fec4d7b69137f88cfaf551e9a1d007e941a0f0019281ceff89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2206ccd740ea4f1d92b40db6527851a7439d210c56a1111572f6d77d786b066a [INFO] running `Command { std: "docker" "start" "-a" "2206ccd740ea4f1d92b40db6527851a7439d210c56a1111572f6d77d786b066a", kill_on_drop: false }` [INFO] [stderr] Compiling utf8-decode v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "2206ccd740ea4f1d92b40db6527851a7439d210c56a1111572f6d77d786b066a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2206ccd740ea4f1d92b40db6527851a7439d210c56a1111572f6d77d786b066a", kill_on_drop: false }` [INFO] [stdout] 2206ccd740ea4f1d92b40db6527851a7439d210c56a1111572f6d77d786b066a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 98ea6f2d11b970b8d27203219506eeebb8af7a806acd6265be0fa3ae217dc5ab [INFO] running `Command { std: "docker" "start" "-a" "98ea6f2d11b970b8d27203219506eeebb8af7a806acd6265be0fa3ae217dc5ab", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_decode-b1d272802c471462) [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] [stderr] Doc-tests utf8_decode [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/safe.rs - safe::Decoder (line 80) ... FAILED [INFO] [stdout] test src/lib.rs - UnsafeDecoder (line 141) ... FAILED [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/safe.rs - safe::Decoder (line 80) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Decoder` [INFO] [stdout] --> src/safe.rs:83:15 [INFO] [stdout] | [INFO] [stdout] 5 | let decoder = Decoder::new(bytes.iter().cloned()); [INFO] [stdout] | ^^^^^^^ use of undeclared type `Decoder` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 + use utf8_decode::Decoder; [INFO] [stdout] | [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/safe.rs:87:18 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_safe_rs_80_0() { [INFO] [stdout] | ----------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 9 | string.push(c?); [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - UnsafeDecoder (line 141) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File` [INFO] [stdout] --> src/lib.rs:142:12 [INFO] [stdout] | [INFO] [stdout] 3 | let file = File::open("file.txt")?; [INFO] [stdout] | ^^^^ use of undeclared type `File` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 + use std::fs::File; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UnsafeDecoder` [INFO] [stdout] --> src/lib.rs:144:15 [INFO] [stdout] | [INFO] [stdout] 5 | let decoder = UnsafeDecoder::new(file.bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^ use of undeclared type `UnsafeDecoder` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 + use utf8_decode::UnsafeDecoder; [INFO] [stdout] | [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:148:18 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_141_0() { [INFO] [stdout] | ----------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 9 | string.push(c?); [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [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 - UnsafeDecoder (line 141) [INFO] [stdout] src/safe.rs - safe::Decoder (line 80) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 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" "98ea6f2d11b970b8d27203219506eeebb8af7a806acd6265be0fa3ae217dc5ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98ea6f2d11b970b8d27203219506eeebb8af7a806acd6265be0fa3ae217dc5ab", kill_on_drop: false }` [INFO] [stdout] 98ea6f2d11b970b8d27203219506eeebb8af7a806acd6265be0fa3ae217dc5ab