[INFO] fetching crate stringsext 2.3.5...
[INFO] checking stringsext-2.3.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate stringsext 2.3.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stringsext 2.3.5
[INFO] finished tweaking crates.io crate stringsext 2.3.5
[INFO] tweaked toml for crates.io crate stringsext 2.3.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stringsext 2.3.5 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stringsext 2.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9fb0b318d011bad1daad83b506a17ab315faae03f3ba20c634c9258a3be31e1
[INFO] running `Command { std: "docker" "start" "-a" "f9fb0b318d011bad1daad83b506a17ab315faae03f3ba20c634c9258a3be31e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9fb0b318d011bad1daad83b506a17ab315faae03f3ba20c634c9258a3be31e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fb0b318d011bad1daad83b506a17ab315faae03f3ba20c634c9258a3be31e1", kill_on_drop: false }`
[INFO] [stdout] f9fb0b318d011bad1daad83b506a17ab315faae03f3ba20c634c9258a3be31e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db046675741a8fe1ad26a7f69627978736b6f0c0798118c1b1b373d022e792d
[INFO] running `Command { std: "docker" "start" "-a" "0db046675741a8fe1ad26a7f69627978736b6f0c0798118c1b1b373d022e792d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking clap_builder v4.5.19
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking clap v4.5.19
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking stringsext v2.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/helper.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |         inp: &str,
[INFO] [stdout]     |              ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 179 |     ) -> SplitStr {
[INFO] [stdout]     |          ^^^^^^^^ the same lifetime is hidden 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] 179 |     ) -> SplitStr<'_> {
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// filter applied after decoding (see
[INFO] [stdout] 45 | |     /// `--list-encodings` for AF examples)
[INFO] [stdout] 46 | |     #[structopt(long, short = "a")]
[INFO] [stdout] 47 | |     pub ascii_filter: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     /// set (multiple) encodings to search for
[INFO] [stdout] 58 | |     #[structopt(long, short = "e")]
[INFO] [stdout] 59 | |     pub encoding: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// grep for characters with ASCII-code in output lines
[INFO] [stdout] 61 | |     #[structopt(long, short = "g")]
[INFO] [stdout] 62 | |     pub grep_char: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     #[structopt(long, short = "n")]
[INFO] [stdout] 67 | |     /// minimum characters of printed strings
[INFO] [stdout] 68 | |     pub chars_min: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /// output line length in Unicode-codepoints
[INFO] [stdout] 76 | |     #[structopt(long, short = "q")]
[INFO] [stdout] 77 | |     pub output_line_len: Option<String>,
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /// start counting input bytes with NUM
[INFO] [stdout] 79 | |     #[structopt(long, short = "s")]
[INFO] [stdout] 80 | |     pub counter_offset: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     /// filter applied after decoding
[INFO] [stdout] 85 | |     /// (see `--list-encodings` for UBF examples)
[INFO] [stdout] 86 | |     #[structopt(long, short = "u")]
[INFO] [stdout] 87 | |     pub unicode_block_filter: Option<String>,
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stringsext` (bin "stringsext") due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/helper.rs:172:14
[INFO] [stdout]     |
[INFO] [stdout] 172 |         inp: &str,
[INFO] [stdout]     |              ^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 179 |     ) -> SplitStr {
[INFO] [stdout]     |          ^^^^^^^^ the same lifetime is hidden 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] 179 |     ) -> SplitStr<'_> {
[INFO] [stdout]     |                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     /// filter applied after decoding (see
[INFO] [stdout] 45 | |     /// `--list-encodings` for AF examples)
[INFO] [stdout] 46 | |     #[structopt(long, short = "a")]
[INFO] [stdout] 47 | |     pub ascii_filter: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     /// set (multiple) encodings to search for
[INFO] [stdout] 58 | |     #[structopt(long, short = "e")]
[INFO] [stdout] 59 | |     pub encoding: Vec<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | /     /// grep for characters with ASCII-code in output lines
[INFO] [stdout] 61 | |     #[structopt(long, short = "g")]
[INFO] [stdout] 62 | |     pub grep_char: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     #[structopt(long, short = "n")]
[INFO] [stdout] 67 | |     /// minimum characters of printed strings
[INFO] [stdout] 68 | |     pub chars_min: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /// output line length in Unicode-codepoints
[INFO] [stdout] 76 | |     #[structopt(long, short = "q")]
[INFO] [stdout] 77 | |     pub output_line_len: Option<String>,
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /// start counting input bytes with NUM
[INFO] [stdout] 79 | |     #[structopt(long, short = "s")]
[INFO] [stdout] 80 | |     pub counter_offset: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     /// filter applied after decoding
[INFO] [stdout] 85 | |     /// (see `--list-encodings` for UBF examples)
[INFO] [stdout] 86 | |     #[structopt(long, short = "u")]
[INFO] [stdout] 87 | |     pub unicode_block_filter: Option<String>,
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stringsext` (bin "stringsext" test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0db046675741a8fe1ad26a7f69627978736b6f0c0798118c1b1b373d022e792d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db046675741a8fe1ad26a7f69627978736b6f0c0798118c1b1b373d022e792d", kill_on_drop: false }`
[INFO] [stdout] 0db046675741a8fe1ad26a7f69627978736b6f0c0798118c1b1b373d022e792d
