[INFO] fetching crate slice 0.0.4... [INFO] testing slice-0.0.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate slice 0.0.4 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate slice 0.0.4 [INFO] finished tweaking crates.io crate slice 0.0.4 [INFO] tweaked toml for crates.io crate slice 0.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate slice 0.0.4 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0137b9685b198636d599495ab1ddcc6666652acb7176d0f89a288f74e8b6aae [INFO] running `Command { std: "docker" "start" "-a" "d0137b9685b198636d599495ab1ddcc6666652acb7176d0f89a288f74e8b6aae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0137b9685b198636d599495ab1ddcc6666652acb7176d0f89a288f74e8b6aae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0137b9685b198636d599495ab1ddcc6666652acb7176d0f89a288f74e8b6aae", kill_on_drop: false }` [INFO] [stdout] d0137b9685b198636d599495ab1ddcc6666652acb7176d0f89a288f74e8b6aae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d9ed58af813e0dbcadfa6b2dd5502d3b6b3adeb1567ec0cb76d52e12d0d4f727 [INFO] running `Command { std: "docker" "start" "-a" "d9ed58af813e0dbcadfa6b2dd5502d3b6b3adeb1567ec0cb76d52e12d0d4f727", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling slice v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "d9ed58af813e0dbcadfa6b2dd5502d3b6b3adeb1567ec0cb76d52e12d0d4f727", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9ed58af813e0dbcadfa6b2dd5502d3b6b3adeb1567ec0cb76d52e12d0d4f727", kill_on_drop: false }` [INFO] [stdout] d9ed58af813e0dbcadfa6b2dd5502d3b6b3adeb1567ec0cb76d52e12d0d4f727 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7666c13920386fe7704b3a4cbfb947c5ddb4b1b7a916a7e12965a53a81d75053 [INFO] running `Command { std: "docker" "start" "-a" "7666c13920386fe7704b3a4cbfb947c5ddb4b1b7a916a7e12965a53a81d75053", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling slice v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "7666c13920386fe7704b3a4cbfb947c5ddb4b1b7a916a7e12965a53a81d75053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7666c13920386fe7704b3a4cbfb947c5ddb4b1b7a916a7e12965a53a81d75053", kill_on_drop: false }` [INFO] [stdout] 7666c13920386fe7704b3a4cbfb947c5ddb4b1b7a916a7e12965a53a81d75053 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 553d27fe51cde7dc539f7482260d6cf7206e9d0ebbdda633d49cc38e380baf78 [INFO] running `Command { std: "docker" "start" "-a" "553d27fe51cde7dc539f7482260d6cf7206e9d0ebbdda633d49cc38e380baf78", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slice-f2fd246d1b5d94d7) [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 slice [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 10) ... FAILED [INFO] [stdout] test src/lib.rs - IoSlice (line 56) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 10) 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:15:48 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_10_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 8 | let source = File::open("/home/annie/data.png")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_10_0() -> Result<(), Box> { [INFO] [stdout] 5 | use { std::fs::File, slice::IoSlice }; [INFO] [stdout] ... [INFO] [stdout] 18| let slice = IoSlice::new(source, start, length); [INFO] [stdout] 19+ Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 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] ---- src/lib.rs - IoSlice (line 56) 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:61:48 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_56_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 8 | let source = File::open("/home/annie/data.png")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_56_0() -> Result<(), Box> { [INFO] [stdout] 5 | use { std::fs::File, slice::IoSlice }; [INFO] [stdout] ... [INFO] [stdout] 18| let slice = IoSlice::new(source, start, length); [INFO] [stdout] 19+ Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 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 - (line 10) [INFO] [stdout] src/lib.rs - IoSlice (line 56) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "553d27fe51cde7dc539f7482260d6cf7206e9d0ebbdda633d49cc38e380baf78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "553d27fe51cde7dc539f7482260d6cf7206e9d0ebbdda633d49cc38e380baf78", kill_on_drop: false }` [INFO] [stdout] 553d27fe51cde7dc539f7482260d6cf7206e9d0ebbdda633d49cc38e380baf78