[INFO] fetching crate fmtor 0.1.2... [INFO] testing fmtor-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate fmtor 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate fmtor 0.1.2 [INFO] finished tweaking crates.io crate fmtor 0.1.2 [INFO] tweaked toml for crates.io crate fmtor 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fmtor 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 461ea5dd6f230bf5160974e8afbfe7d7ad7b45410d5d8d5f6843b6e75af811b4 [INFO] running `Command { std: "docker" "start" "-a" "461ea5dd6f230bf5160974e8afbfe7d7ad7b45410d5d8d5f6843b6e75af811b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "461ea5dd6f230bf5160974e8afbfe7d7ad7b45410d5d8d5f6843b6e75af811b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "461ea5dd6f230bf5160974e8afbfe7d7ad7b45410d5d8d5f6843b6e75af811b4", kill_on_drop: false }` [INFO] [stdout] 461ea5dd6f230bf5160974e8afbfe7d7ad7b45410d5d8d5f6843b6e75af811b4 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21bb560cebd40893aee4c584e143f896951e2915c515f25e75ed99c4c22f62ca [INFO] running `Command { std: "docker" "start" "-a" "21bb560cebd40893aee4c584e143f896951e2915c515f25e75ed99c4c22f62ca", kill_on_drop: false }` [INFO] [stderr] Compiling fmtor v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:213:21 [INFO] [stdout] | [INFO] [stdout] 213 | fn fmt_or_empty(&self) -> MaybeFormat { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 213 | fn fmt_or_empty(&self) -> MaybeFormat<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:217:18 [INFO] [stdout] | [INFO] [stdout] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr<'_, T, U> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:224:26 [INFO] [stdout] | [INFO] [stdout] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse<'_, T, F> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "21bb560cebd40893aee4c584e143f896951e2915c515f25e75ed99c4c22f62ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21bb560cebd40893aee4c584e143f896951e2915c515f25e75ed99c4c22f62ca", kill_on_drop: false }` [INFO] [stdout] 21bb560cebd40893aee4c584e143f896951e2915c515f25e75ed99c4c22f62ca [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f17d6f83e77539890d72b64600cacea06acc57a40440d99b5e5df44911142201 [INFO] running `Command { std: "docker" "start" "-a" "f17d6f83e77539890d72b64600cacea06acc57a40440d99b5e5df44911142201", kill_on_drop: false }` [INFO] [stderr] Compiling fmtor v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:213:21 [INFO] [stdout] | [INFO] [stdout] 213 | fn fmt_or_empty(&self) -> MaybeFormat { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 213 | fn fmt_or_empty(&self) -> MaybeFormat<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:217:18 [INFO] [stdout] | [INFO] [stdout] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr<'_, T, U> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:224:26 [INFO] [stdout] | [INFO] [stdout] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse<'_, T, F> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:213:21 [INFO] [stdout] | [INFO] [stdout] 213 | fn fmt_or_empty(&self) -> MaybeFormat { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 213 | fn fmt_or_empty(&self) -> MaybeFormat<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:217:18 [INFO] [stdout] | [INFO] [stdout] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr<'_, T, U> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:224:26 [INFO] [stdout] | [INFO] [stdout] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse<'_, T, F> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "f17d6f83e77539890d72b64600cacea06acc57a40440d99b5e5df44911142201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f17d6f83e77539890d72b64600cacea06acc57a40440d99b5e5df44911142201", kill_on_drop: false }` [INFO] [stdout] f17d6f83e77539890d72b64600cacea06acc57a40440d99b5e5df44911142201 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e37c0e64edf096eab480fac7737a9e9c7625f1ca9742c39189e7b60e476cd738 [INFO] running `Command { std: "docker" "start" "-a" "e37c0e64edf096eab480fac7737a9e9c7625f1ca9742c39189e7b60e476cd738", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:213:21 [INFO] [stderr] | [INFO] [stderr] 213 | fn fmt_or_empty(&self) -> MaybeFormat { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 213 | fn fmt_or_empty(&self) -> MaybeFormat<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:217:18 [INFO] [stderr] | [INFO] [stderr] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 217 | fn fmt_or(&self, u: U) -> MaybeFormatOr<'_, T, U> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:224:26 [INFO] [stderr] | [INFO] [stderr] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 224 | fn fmt_or_else(&self, f: F) -> MaybeFormatOrElse<'_, T, F> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `fmtor` (lib) generated 3 warnings (run `cargo fix --lib -p fmtor` to apply 3 suggestions) [INFO] [stderr] warning: `fmtor` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmtor-8c4f82eb2f7e3ae1) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test tests::test_binary ... ok [INFO] [stdout] test tests::test_debug_alt ... ok [INFO] [stdout] test tests::test_binary_alt ... ok [INFO] [stdout] test tests::test_lowerexp ... ok [INFO] [stdout] test tests::test_lowerhex_alt ... ok [INFO] [stdout] test tests::test_octal ... ok [INFO] [stdout] test tests::test_display ... ok [INFO] [stdout] test tests::test_lowerhex ... ok [INFO] [stdout] test tests::test_octal_alt ... ok [INFO] [stdout] test tests::test_pointer ... ok [INFO] [stdout] test tests::test_upperexp ... ok [INFO] [stdout] test tests::test_upperhex_alt ... ok [INFO] [stdout] test tests::test_upperhex ... ok [INFO] [stdout] test tests::test_debug ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests fmtor [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - FmtOr (line 107) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] test src/lib.rs - FmtOr::fmt_or_else (line 188) ... ok [INFO] [stdout] test src/lib.rs - FmtOr (line 92) ... ok [INFO] [stdout] test src/lib.rs - FmtOr::fmt_or_empty (line 136) ... ok [INFO] [stdout] test src/lib.rs - FmtOr::fmt_or (line 159) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e37c0e64edf096eab480fac7737a9e9c7625f1ca9742c39189e7b60e476cd738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e37c0e64edf096eab480fac7737a9e9c7625f1ca9742c39189e7b60e476cd738", kill_on_drop: false }` [INFO] [stdout] e37c0e64edf096eab480fac7737a9e9c7625f1ca9742c39189e7b60e476cd738