[INFO] fetching crate rfc2047 0.1.1... [INFO] testing rfc2047-0.1.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate rfc2047 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate rfc2047 0.1.1 [INFO] finished tweaking crates.io crate rfc2047 0.1.1 [INFO] tweaked toml for crates.io crate rfc2047 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rfc2047 0.1.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84c74a10fd36e334dda577b2b122a6b0b3b6261aa8d1e51410c97bc871dbc502 [INFO] running `Command { std: "docker" "start" "-a" "84c74a10fd36e334dda577b2b122a6b0b3b6261aa8d1e51410c97bc871dbc502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84c74a10fd36e334dda577b2b122a6b0b3b6261aa8d1e51410c97bc871dbc502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84c74a10fd36e334dda577b2b122a6b0b3b6261aa8d1e51410c97bc871dbc502", kill_on_drop: false }` [INFO] [stdout] 84c74a10fd36e334dda577b2b122a6b0b3b6261aa8d1e51410c97bc871dbc502 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a9789ceb326c49470e9a6dd8b9443a2573f910b8d184d7ceefa1abb5e0bcd62 [INFO] running `Command { std: "docker" "start" "-a" "2a9789ceb326c49470e9a6dd8b9443a2573f910b8d184d7ceefa1abb5e0bcd62", kill_on_drop: false }` [INFO] [stderr] Compiling rfc2047 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/encode.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow { [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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "2a9789ceb326c49470e9a6dd8b9443a2573f910b8d184d7ceefa1abb5e0bcd62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a9789ceb326c49470e9a6dd8b9443a2573f910b8d184d7ceefa1abb5e0bcd62", kill_on_drop: false }` [INFO] [stdout] 2a9789ceb326c49470e9a6dd8b9443a2573f910b8d184d7ceefa1abb5e0bcd62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0e3b398f688092684b0de251ced1fe32c7d430b87d8619a5be49ad7aef5d739 [INFO] running `Command { std: "docker" "start" "-a" "a0e3b398f688092684b0de251ced1fe32c7d430b87d8619a5be49ad7aef5d739", kill_on_drop: false }` [INFO] [stderr] Compiling rfc2047 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/encode.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow { [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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/encode.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow { [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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "a0e3b398f688092684b0de251ced1fe32c7d430b87d8619a5be49ad7aef5d739", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0e3b398f688092684b0de251ced1fe32c7d430b87d8619a5be49ad7aef5d739", kill_on_drop: false }` [INFO] [stdout] a0e3b398f688092684b0de251ced1fe32c7d430b87d8619a5be49ad7aef5d739 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 125f6478ddd46678a9d5d41a9a59f8b760bdfe8d237c7779ea7680913dcc44a8 [INFO] running `Command { std: "docker" "start" "-a" "125f6478ddd46678a9d5d41a9a59f8b760bdfe8d237c7779ea7680913dcc44a8", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/encode.rs:7:33 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow { [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] 7 | pub fn rfc2047_encode(mut data: &str) -> Cow<'_, str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rfc2047` (lib) generated 1 warning (run `cargo fix --lib -p rfc2047` to apply 1 suggestion) [INFO] [stderr] warning: `rfc2047` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rfc2047-3106dd8c74c01a90) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test encode::tests::encoded_adjacent_in_middle ... ok [INFO] [stdout] test encode::tests::encoded_adjacent_with_whitespace ... ok [INFO] [stdout] test encode::tests::encoded_at_end ... ok [INFO] [stdout] test encode::tests::encoded_at_start ... ok [INFO] [stdout] test encode::tests::encoded_in_middle ... ok [INFO] [stdout] test encode::tests::encoded_surrounding_whitespace ... ok [INFO] [stdout] test encode::tests::encoded_long ... ok [INFO] [stdout] test encode::tests::encoded_trailing_whitespace ... ok [INFO] [stdout] test encode::tests::encoded_word ... ok [INFO] [stdout] test encode::tests::single_char ... ok [INFO] [stdout] test encode::tests::just_ascii ... ok [INFO] [stdout] test encode::tests::just_whitespace ... ok [INFO] [stdout] test encode::tests::single_char_multi ... ok [INFO] [stderr] Doc-tests rfc2047 [INFO] [stdout] test encode::tests::encoded_leading_whitespace ... 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] [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] running `Command { std: "docker" "inspect" "125f6478ddd46678a9d5d41a9a59f8b760bdfe8d237c7779ea7680913dcc44a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "125f6478ddd46678a9d5d41a9a59f8b760bdfe8d237c7779ea7680913dcc44a8", kill_on_drop: false }` [INFO] [stdout] 125f6478ddd46678a9d5d41a9a59f8b760bdfe8d237c7779ea7680913dcc44a8