[INFO] fetching crate rfc2047 0.1.1...
[INFO] testing rfc2047-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rfc2047 0.1.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfc2047 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bc77c4a47b2776eceeb80b469ae1f89ec0da7c64f53725ae253dbf40e9e6c30
[INFO] running `Command { std: "docker" "start" "-a" "0bc77c4a47b2776eceeb80b469ae1f89ec0da7c64f53725ae253dbf40e9e6c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc77c4a47b2776eceeb80b469ae1f89ec0da7c64f53725ae253dbf40e9e6c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc77c4a47b2776eceeb80b469ae1f89ec0da7c64f53725ae253dbf40e9e6c30", kill_on_drop: false }`
[INFO] [stdout] 0bc77c4a47b2776eceeb80b469ae1f89ec0da7c64f53725ae253dbf40e9e6c30
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2806a389770935c363aa2209321571734478fd79ea3b89594ae487260c835874
[INFO] running `Command { std: "docker" "start" "-a" "2806a389770935c363aa2209321571734478fd79ea3b89594ae487260c835874", 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<str> {
[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 0.26s
[INFO] running `Command { std: "docker" "inspect" "2806a389770935c363aa2209321571734478fd79ea3b89594ae487260c835874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2806a389770935c363aa2209321571734478fd79ea3b89594ae487260c835874", kill_on_drop: false }`
[INFO] [stdout] 2806a389770935c363aa2209321571734478fd79ea3b89594ae487260c835874
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9be7f431e923f669f2c18867107684040e1c7135378d7d8c1156076d86bde43
[INFO] running `Command { std: "docker" "start" "-a" "e9be7f431e923f669f2c18867107684040e1c7135378d7d8c1156076d86bde43", 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<str> {
[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<str> {
[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 0.52s
[INFO] running `Command { std: "docker" "inspect" "e9be7f431e923f669f2c18867107684040e1c7135378d7d8c1156076d86bde43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9be7f431e923f669f2c18867107684040e1c7135378d7d8c1156076d86bde43", kill_on_drop: false }`
[INFO] [stdout] e9be7f431e923f669f2c18867107684040e1c7135378d7d8c1156076d86bde43
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1339ee6adaee44aa50a4df2d04e4e5288f87aa38def9d010fb0a76d45b802c6
[INFO] running `Command { std: "docker" "start" "-a" "a1339ee6adaee44aa50a4df2d04e4e5288f87aa38def9d010fb0a76d45b802c6", 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<str> {
[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-a03dd18098f5c075)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test encode::tests::encoded_adjacent_in_middle ... 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_at_end ... ok
[INFO] [stdout] test encode::tests::encoded_long ... ok
[INFO] [stdout] test encode::tests::encoded_surrounding_whitespace ... ok
[INFO] [stdout] test encode::tests::encoded_trailing_whitespace ... ok
[INFO] [stdout] test encode::tests::encoded_word ... ok
[INFO] [stdout] test encode::tests::just_ascii ... ok
[INFO] [stdout] test encode::tests::just_whitespace ... ok
[INFO] [stdout] test encode::tests::single_char ... ok
[INFO] [stdout] test encode::tests::single_char_multi ... ok
[INFO] [stdout] test encode::tests::encoded_adjacent_with_whitespace ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rfc2047
[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" "a1339ee6adaee44aa50a4df2d04e4e5288f87aa38def9d010fb0a76d45b802c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1339ee6adaee44aa50a4df2d04e4e5288f87aa38def9d010fb0a76d45b802c6", kill_on_drop: false }`
[INFO] [stdout] a1339ee6adaee44aa50a4df2d04e4e5288f87aa38def9d010fb0a76d45b802c6
