[INFO] cloning repository https://github.com/madkous/rpncalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madkous/rpncalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadkous%2Frpncalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadkous%2Frpncalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dd7f461b39a0394720349a52d123c402d33b365
[INFO] checking madkous/rpncalc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadkous%2Frpncalc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/madkous/rpncalc
[INFO] finished tweaking git repo https://github.com/madkous/rpncalc
[INFO] tweaked toml for git repo https://github.com/madkous/rpncalc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/madkous/rpncalc 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 git repo https://github.com/madkous/rpncalc 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] [stderr] warning: /workspace/builds/worker-3-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-3-tc2/source/lib/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9a34eb5787a6c00495ae88b70f87a23c0e84378fa99598be9ebc0b4f8339c939
[INFO] running `Command { std: "docker" "start" "-a" "9a34eb5787a6c00495ae88b70f87a23c0e84378fa99598be9ebc0b4f8339c939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a34eb5787a6c00495ae88b70f87a23c0e84378fa99598be9ebc0b4f8339c939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a34eb5787a6c00495ae88b70f87a23c0e84378fa99598be9ebc0b4f8339c939", kill_on_drop: false }`
[INFO] [stdout] 9a34eb5787a6c00495ae88b70f87a23c0e84378fa99598be9ebc0b4f8339c939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f65c02bdefba761152ef4a97b80687f41f76cf0d4d1bd6b9180f1fc784c187d6
[INFO] running `Command { std: "docker" "start" "-a" "f65c02bdefba761152ef4a97b80687f41f76cf0d4d1bd6b9180f1fc784c187d6", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/lib/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking stablib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: unused import: `command::*`
[INFO] [stdout]   --> lib/src/stack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use command::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> lib/src/operator.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout]    |              ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout] 27 + type Sfunc = fn(&[Entry]) -> Vec<Entry>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `runtime::*`
[INFO] [stdout]   --> lib/src/command.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use runtime::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `command::*`
[INFO] [stdout]   --> lib/src/stack.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use command::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> lib/src/operator.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout]    |              ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - type Sfunc = (fn(&[Entry]) -> Vec<Entry>);
[INFO] [stdout] 27 + type Sfunc = fn(&[Entry]) -> Vec<Entry>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `runtime::*`
[INFO] [stdout]   --> lib/src/command.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use runtime::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib/src/stack.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn iter(&self) -> Iter<Entry> {
[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] 60 |     pub fn iter(&self) -> Iter<'_, Entry> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 62 | |         if s.is_empty() {
[INFO] [stdout] 63 | |             return Ok(ParseType::Empty)
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |     }
[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<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 |             return Ok(ParseType::Empty)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | /         match s.parse::<f64>() {
[INFO] [stdout] 66 | |             Ok(n)  => Ok(ParseType::Flt(n)),
[INFO] [stdout] 67 | |             Err(_) => Ok(ParseType::Str(s.to_string())),
[INFO] [stdout] 68 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Ok(n)  => Ok(ParseType::Flt(n)),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:67:14
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(_) => Ok(ParseType::Str(s.to_string())),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> lib/src/operator.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Values<String,Operator> {
[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] 129 |     pub fn iter(&self) -> Values<'_, String,Operator> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib/src/runtime.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn iter(&self) -> Iter<Stack> {
[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] 75 |     pub fn iter(&self) -> Iter<'_, Stack> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stablib` (lib test) due to 5 previous errors; 6 warnings 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]   --> lib/src/stack.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn iter(&self) -> Iter<Entry> {
[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] 60 |     pub fn iter(&self) -> Iter<'_, Entry> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 62 | |         if s.is_empty() {
[INFO] [stdout] 63 | |             return Ok(ParseType::Empty)
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |     }
[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<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 |             return Ok(ParseType::Empty)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:65:3
[INFO] [stdout]    |
[INFO] [stdout] 65 | /         match s.parse::<f64>() {
[INFO] [stdout] 66 | |             Ok(n)  => Ok(ParseType::Flt(n)),
[INFO] [stdout] 67 | |             Err(_) => Ok(ParseType::Str(s.to_string())),
[INFO] [stdout] 68 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:66:14
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Ok(n)  => Ok(ParseType::Flt(n)),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<entry::ParseType, Infallible>
[INFO] [stdout]   --> lib/src/entry.rs:67:14
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(_) => Ok(ParseType::Str(s.to_string())),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> lib/src/operator.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn iter(&self) -> Values<String,Operator> {
[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] 129 |     pub fn iter(&self) -> Values<'_, String,Operator> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib/src/runtime.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn iter(&self) -> Iter<Stack> {
[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] 75 |     pub fn iter(&self) -> Iter<'_, Stack> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stablib` (lib) due to 5 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f65c02bdefba761152ef4a97b80687f41f76cf0d4d1bd6b9180f1fc784c187d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65c02bdefba761152ef4a97b80687f41f76cf0d4d1bd6b9180f1fc784c187d6", kill_on_drop: false }`
[INFO] [stdout] f65c02bdefba761152ef4a97b80687f41f76cf0d4d1bd6b9180f1fc784c187d6
