[INFO] fetching crate pretty-trait 0.1.2... [INFO] testing pretty-trait-0.1.2 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate pretty-trait 0.1.2 into /workspace/builds/worker-40/source [INFO] validating manifest of crates.io crate pretty-trait 0.1.2 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pretty-trait 0.1.2 [INFO] finished tweaking crates.io crate pretty-trait 0.1.2 [INFO] tweaked toml for crates.io crate pretty-trait 0.1.2 written to /workspace/builds/worker-40/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d56d4debbbc87cb7ed427b534c091c00d0b255046d91687d06f94e4af3596db8 [INFO] running `Command { std: "docker" "start" "-a" "d56d4debbbc87cb7ed427b534c091c00d0b255046d91687d06f94e4af3596db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d56d4debbbc87cb7ed427b534c091c00d0b255046d91687d06f94e4af3596db8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d56d4debbbc87cb7ed427b534c091c00d0b255046d91687d06f94e4af3596db8", kill_on_drop: false }` [INFO] [stdout] d56d4debbbc87cb7ed427b534c091c00d0b255046d91687d06f94e4af3596db8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d930f0683aee32665488e83245a4c6f67aac9acc53e5b8c97e2fbb0fe3d5d0ad [INFO] running `Command { std: "docker" "start" "-a" "d930f0683aee32665488e83245a4c6f67aac9acc53e5b8c97e2fbb0fe3d5d0ad", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pretty-trait v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:143:25 [INFO] [stdout] | [INFO] [stdout] 143 | pub writer: &'a mut io::Write, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:614:18 [INFO] [stdout] | [INFO] [stdout] 614 | writer: &mut io::Write, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "d930f0683aee32665488e83245a4c6f67aac9acc53e5b8c97e2fbb0fe3d5d0ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d930f0683aee32665488e83245a4c6f67aac9acc53e5b8c97e2fbb0fe3d5d0ad", kill_on_drop: false }` [INFO] [stdout] d930f0683aee32665488e83245a4c6f67aac9acc53e5b8c97e2fbb0fe3d5d0ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5fb5d454286c5eb04f8cf50ed1ef5c598c099bfff40928f4b1b0ee5209546c06 [INFO] running `Command { std: "docker" "start" "-a" "5fb5d454286c5eb04f8cf50ed1ef5c598c099bfff40928f4b1b0ee5209546c06", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pretty-trait v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:143:25 [INFO] [stdout] | [INFO] [stdout] 143 | pub writer: &'a mut io::Write, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:614:18 [INFO] [stdout] | [INFO] [stdout] 614 | writer: &mut io::Write, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:143:25 [INFO] [stdout] | [INFO] [stdout] 143 | pub writer: &'a mut io::Write, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:614:18 [INFO] [stdout] | [INFO] [stdout] 614 | writer: &mut io::Write, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.77s [INFO] running `Command { std: "docker" "inspect" "5fb5d454286c5eb04f8cf50ed1ef5c598c099bfff40928f4b1b0ee5209546c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fb5d454286c5eb04f8cf50ed1ef5c598c099bfff40928f4b1b0ee5209546c06", kill_on_drop: false }` [INFO] [stdout] 5fb5d454286c5eb04f8cf50ed1ef5c598c099bfff40928f4b1b0ee5209546c06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8186cc50d67bfb5b8a9cc28dc3e8ffbfcc4ac99c50498b14123f8c95a4a512e7 [INFO] running `Command { std: "docker" "start" "-a" "8186cc50d67bfb5b8a9cc28dc3e8ffbfcc4ac99c50498b14123f8c95a4a512e7", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:143:25 [INFO] [stderr] | [INFO] [stderr] 143 | pub writer: &'a mut io::Write, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:614:18 [INFO] [stderr] | [INFO] [stderr] 614 | writer: &mut io::Write, [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn io::Write` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `pretty-trait` (lib) generated 2 warnings [INFO] [stdout] [INFO] [stderr] warning: `pretty-trait` (lib test) generated 2 warnings (2 duplicates) [INFO] [stdout] running 0 tests [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pretty_trait-285826282b8fb02c) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Doc-tests pretty-trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test src/lib.rs - Seq (line 581) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Option (line 760) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Sep (line 321) ... ok [INFO] [stdout] test src/lib.rs - Conditional (line 665) ... ok [INFO] [stdout] test src/lib.rs - Option (line 736) ... ok [INFO] [stdout] test src/lib.rs - Newline (line 392) ... ok [INFO] [stdout] test src/lib.rs - Group (line 243) ... ok [INFO] [stdout] test src/lib.rs - Seq (line 545) ... ok [INFO] [stdout] test src/lib.rs - block (line 835) ... ok [INFO] [stdout] test src/lib.rs - Sep (line 347) ... ok [INFO] [stdout] test src/lib.rs - Indent (line 424) ... ok [INFO] [stdout] test src/lib.rs - JoinExt::join (line 516) ... ok [INFO] [stdout] test src/lib.rs - delimited (line 794) ... ok [INFO] [stdout] test src/lib.rs - (line 15) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8186cc50d67bfb5b8a9cc28dc3e8ffbfcc4ac99c50498b14123f8c95a4a512e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8186cc50d67bfb5b8a9cc28dc3e8ffbfcc4ac99c50498b14123f8c95a4a512e7", kill_on_drop: false }` [INFO] [stdout] 8186cc50d67bfb5b8a9cc28dc3e8ffbfcc4ac99c50498b14123f8c95a4a512e7