[INFO] cloning repository https://github.com/Jayshua/simple-psf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jayshua/simple-psf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJayshua%2Fsimple-psf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJayshua%2Fsimple-psf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f1e65153c1c08e7cd590c43b3592d9f91265321
[INFO] testing Jayshua/simple-psf against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJayshua%2Fsimple-psf" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jayshua/simple-psf
[INFO] finished tweaking git repo https://github.com/Jayshua/simple-psf
[INFO] tweaked toml for git repo https://github.com/Jayshua/simple-psf written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jayshua/simple-psf on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jayshua/simple-psf 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4060d92486eaf58d9c2038a64d72520df553ed4f84aa45095bded38a7e10508c
[INFO] running `Command { std: "docker" "start" "-a" "4060d92486eaf58d9c2038a64d72520df553ed4f84aa45095bded38a7e10508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4060d92486eaf58d9c2038a64d72520df553ed4f84aa45095bded38a7e10508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4060d92486eaf58d9c2038a64d72520df553ed4f84aa45095bded38a7e10508c", kill_on_drop: false }`
[INFO] [stdout] 4060d92486eaf58d9c2038a64d72520df553ed4f84aa45095bded38a7e10508c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9923a3e677216e7e8781f580548ed8ddd1191fd7c9eeb1be23249cde809b2ae0
[INFO] running `Command { std: "docker" "start" "-a" "9923a3e677216e7e8781f580548ed8ddd1191fd7c9eeb1be23249cde809b2ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-psf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf, ParseError> {
[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] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf, ParseError> {
[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] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf, ParseError> {
[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] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "9923a3e677216e7e8781f580548ed8ddd1191fd7c9eeb1be23249cde809b2ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9923a3e677216e7e8781f580548ed8ddd1191fd7c9eeb1be23249cde809b2ae0", kill_on_drop: false }`
[INFO] [stdout] 9923a3e677216e7e8781f580548ed8ddd1191fd7c9eeb1be23249cde809b2ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f824b8bc2b58ebc9055eb1be63dfe61858e60550d7a4b720e1a748119099143e
[INFO] running `Command { std: "docker" "start" "-a" "f824b8bc2b58ebc9055eb1be63dfe61858e60550d7a4b720e1a748119099143e", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf, ParseError> {
[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] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple-psf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf, ParseError> {
[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] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf, ParseError> {
[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] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:36:27
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf, ParseError> {
[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] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf, ParseError> {
[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] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf, ParseError> {
[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] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f824b8bc2b58ebc9055eb1be63dfe61858e60550d7a4b720e1a748119099143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f824b8bc2b58ebc9055eb1be63dfe61858e60550d7a4b720e1a748119099143e", kill_on_drop: false }`
[INFO] [stdout] f824b8bc2b58ebc9055eb1be63dfe61858e60550d7a4b720e1a748119099143e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccecc667dd5a5453c777a60f69acd27e28fedfbd03a299fe6ddc0841d86c6f9f
[INFO] running `Command { std: "docker" "start" "-a" "ccecc667dd5a5453c777a60f69acd27e28fedfbd03a299fe6ddc0841d86c6f9f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:36:27
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf, ParseError> {
[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] 36 |     pub const fn parse(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stderr]    |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf, ParseError> {
[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] 50 |     const fn parse_psf1(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf, ParseError> {
[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] 86 |     const fn parse_psf2(data: &[u8]) -> Result<Psf<'_>, ParseError> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-psf` (lib) generated 3 warnings (run `cargo fix --lib -p simple-psf` to apply 3 suggestions)
[INFO] [stderr] warning: `simple-psf` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_psf-4306e1532abcc8f1)
[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] [stderr]    Doc-tests simple_psf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Psf<'a>::iter_unicode_entries (line 182) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Psf<'a>::iter_unicode_entries (line 182) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `psf` in this scope
[INFO] [stdout]  --> src/lib.rs:183:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | let glyph_lookup_table = psf.iter_unicode_entries().unwrap()
[INFO] [stdout]   |                          ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]  --> src/lib.rs:184:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     .filter_map(|(index, result)| result.ok().map(|character| (character, index)))
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^  ------ type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]   |
[INFO] [stdout] 4 |     .filter_map(|(index, result): (_, _)| result.ok().map(|character| (character, index)))
[INFO] [stdout]   |                                 ++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (45) panicked at src/lib.rs:5:49:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a46077b3f2 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64a46077b3f2 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64a46077b3f2 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x64a46077b3f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x64a460789f57 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x64a460789f57 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x64a460759bd6 - std::io::default_write_fmt::hdea1c6df292e9097
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64a460759bd6 - std::io::Write::write_fmt::ha6a1d6c1ea64b2d0
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x64a460760a06 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x64a460760a06 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x64a460760866 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x64a460760c4b - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x64a460760ac8 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x64a46075f129 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   14:     0x64a46074e50d - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x64a46078d0dc - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x64a46078ca12 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x64a46074cc00 - rust_out::main::_doctest_main_src_lib_rs_10_0::hd0448c3ab7528115
[INFO] [stdout]   18:     0x64a46074cb76 - rust_out::main::hddb47a63e130bd9b
[INFO] [stdout]   19:     0x64a46074c353 - core::ops::function::FnOnce::call_once::h96beabba765cc134
[INFO] [stdout]   20:     0x64a46074c126 - std::sys::backtrace::__rust_begin_short_backtrace::hfbfc9999389ebc3c
[INFO] [stdout]   21:     0x64a46074c109 - std::rt::lang_start::{{closure}}::h80a253ee4580ed9e
[INFO] [stdout]   22:     0x64a46075b206 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h52f3341f83ee0b20
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x64a46075b206 - std::panicking::catch_unwind::do_call::h14dbcc353f10da05
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x64a46075b206 - std::panicking::catch_unwind::h0f5e61927052bc65
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x64a46075b206 - std::panic::catch_unwind::h8d8992fccbbe3818
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x64a46075b206 - std::rt::lang_start_internal::{{closure}}::h2586bbc303a85ad8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x64a46075b206 - std::panicking::catch_unwind::do_call::h68525f29457c7630
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x64a46075b206 - std::panicking::catch_unwind::h9d0806e64d8b7d77
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x64a46075b206 - std::panic::catch_unwind::h9b43c59c05f0dec3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x64a46075b206 - std::rt::lang_start_internal::h74b643a2cc7fe3b4
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x64a46074c0f1 - std::rt::lang_start::ha74422474068e822
[INFO] [stdout]   32:     0x64a46074d075 - main
[INFO] [stdout]   33:     0x779d8757a1ca - <unknown>
[INFO] [stdout]   34:     0x779d8757a28b - __libc_start_main
[INFO] [stdout]   35:     0x64a46074b5c5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - Psf<'a>::iter_unicode_entries (line 182)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ccecc667dd5a5453c777a60f69acd27e28fedfbd03a299fe6ddc0841d86c6f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccecc667dd5a5453c777a60f69acd27e28fedfbd03a299fe6ddc0841d86c6f9f", kill_on_drop: false }`
[INFO] [stdout] ccecc667dd5a5453c777a60f69acd27e28fedfbd03a299fe6ddc0841d86c6f9f
