[INFO] fetching crate utf-8 0.7.6...
[INFO] testing utf-8-0.7.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate utf-8 0.7.6 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate utf-8 0.7.6
[INFO] finished tweaking crates.io crate utf-8 0.7.6
[INFO] tweaked toml for crates.io crate utf-8 0.7.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf-8 0.7.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e57e7f1761610453b9593042ac37d4a3cc553558fed3949b2175e438c760978
[INFO] running `Command { std: "docker" "start" "-a" "8e57e7f1761610453b9593042ac37d4a3cc553558fed3949b2175e438c760978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e57e7f1761610453b9593042ac37d4a3cc553558fed3949b2175e438c760978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e57e7f1761610453b9593042ac37d4a3cc553558fed3949b2175e438c760978", kill_on_drop: false }`
[INFO] [stdout] 8e57e7f1761610453b9593042ac37d4a3cc553558fed3949b2175e438c760978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8abc903f93493efa55e8e6b9d21b7fc655e33ee9abe776a94b83c09793fecb5
[INFO] running `Command { std: "docker" "start" "-a" "a8abc903f93493efa55e8e6b9d21b7fc655e33ee9abe776a94b83c09793fecb5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling utf-8 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn decode(input: &[u8]) -> Result<&str, DecodeError> {
[INFO] [stdout]    |                      ^^^^^            ^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                |
[INFO] [stdout]    |                      |                the same lifetime is elided here
[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] 71 | pub fn decode(input: &[u8]) -> Result<&str, DecodeError<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/read.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn next_strict(&mut self) -> Option<Result<&str, BufReadDecoderError>> {
[INFO] [stdout]    |                        ^^^^^^^^^                   ^^^^  ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |                           |
[INFO] [stdout]    |                        |                           the same lifetime is elided here
[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] 87 |     pub fn next_strict(&mut self) -> Option<Result<&str, BufReadDecoderError<'_>>> {
[INFO] [stdout]    |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a8abc903f93493efa55e8e6b9d21b7fc655e33ee9abe776a94b83c09793fecb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8abc903f93493efa55e8e6b9d21b7fc655e33ee9abe776a94b83c09793fecb5", kill_on_drop: false }`
[INFO] [stdout] a8abc903f93493efa55e8e6b9d21b7fc655e33ee9abe776a94b83c09793fecb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a1d5fde92ae779553a82171c1d49157f5d6e765afdea241d7cbbea9fb62bea2
[INFO] running `Command { std: "docker" "start" "-a" "4a1d5fde92ae779553a82171c1d49157f5d6e765afdea241d7cbbea9fb62bea2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn decode(input: &[u8]) -> Result<&str, DecodeError> {
[INFO] [stdout]    |                      ^^^^^            ^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |                |
[INFO] [stdout]    |                      |                the same lifetime is elided here
[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] 71 | pub fn decode(input: &[u8]) -> Result<&str, DecodeError<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utf-8 v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/read.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn next_strict(&mut self) -> Option<Result<&str, BufReadDecoderError>> {
[INFO] [stdout]    |                        ^^^^^^^^^                   ^^^^  ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |                           |
[INFO] [stdout]    |                        |                           the same lifetime is elided here
[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] 87 |     pub fn next_strict(&mut self) -> Option<Result<&str, BufReadDecoderError<'_>>> {
[INFO] [stdout]    |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/unit.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn string_from_utf8_lossy(input: &[u8]) -> 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] 72 | pub fn string_from_utf8_lossy(input: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "4a1d5fde92ae779553a82171c1d49157f5d6e765afdea241d7cbbea9fb62bea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1d5fde92ae779553a82171c1d49157f5d6e765afdea241d7cbbea9fb62bea2", kill_on_drop: false }`
[INFO] [stdout] 4a1d5fde92ae779553a82171c1d49157f5d6e765afdea241d7cbbea9fb62bea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17ed5298d31d40cea7c2383d395cf382b20642b2cbdf71877d9c0bbd459cf5f0
[INFO] running `Command { std: "docker" "start" "-a" "17ed5298d31d40cea7c2383d395cf382b20642b2cbdf71877d9c0bbd459cf5f0", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn decode(input: &[u8]) -> Result<&str, DecodeError> {
[INFO] [stderr]    |                      ^^^^^            ^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |                |
[INFO] [stderr]    |                      |                the same lifetime is elided here
[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] 71 | pub fn decode(input: &[u8]) -> Result<&str, DecodeError<'_>> {
[INFO] [stderr]    |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/read.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn next_strict(&mut self) -> Option<Result<&str, BufReadDecoderError>> {
[INFO] [stderr]    |                        ^^^^^^^^^                   ^^^^  ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |                           |
[INFO] [stderr]    |                        |                           the same lifetime is elided here
[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] 87 |     pub fn next_strict(&mut self) -> Option<Result<&str, BufReadDecoderError<'_>>> {
[INFO] [stderr]    |                                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `utf-8` (lib) generated 2 warnings (run `cargo fix --lib -p utf-8` to apply 2 suggestions)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> tests/unit.rs:72:38
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn string_from_utf8_lossy(input: &[u8]) -> 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] 72 | pub fn string_from_utf8_lossy(input: &[u8]) -> Cow<'_, str> {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `utf-8` (test "unit") generated 1 warning (run `cargo fix --test "unit" -p utf-8` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-ae886724191652e7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_str_from_utf8 ... ok
[INFO] [stdout] test test_string_from_utf8_lossy ... ok
[INFO] [stdout] test test_is_utf8 ... ok
[INFO] [stdout] test test_incremental_decoder ... ok
[INFO] [stderr]    Doc-tests utf8
[INFO] [stdout] test test_bufread_decoder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lossy.rs - lossy::LossyDecoder (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17ed5298d31d40cea7c2383d395cf382b20642b2cbdf71877d9c0bbd459cf5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ed5298d31d40cea7c2383d395cf382b20642b2cbdf71877d9c0bbd459cf5f0", kill_on_drop: false }`
[INFO] [stdout] 17ed5298d31d40cea7c2383d395cf382b20642b2cbdf71877d9c0bbd459cf5f0
