[INFO] cloning repository https://github.com/benjerming/fontmod-pyo3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjerming/fontmod-pyo3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjerming%2Ffontmod-pyo3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjerming%2Ffontmod-pyo3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6274aa92b9db89c2a4adf6029b1f2a878be0be0a
[INFO] checking benjerming/fontmod-pyo3 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%2Fbenjerming%2Ffontmod-pyo3" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/benjerming/fontmod-pyo3
[INFO] finished tweaking git repo https://github.com/benjerming/fontmod-pyo3
[INFO] tweaked toml for git repo https://github.com/benjerming/fontmod-pyo3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjerming/fontmod-pyo3 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/benjerming/fontmod-pyo3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0a5feb85bf7784188586627ea133f1649ccd91b9878435c5555bf639f50d2dd0
[INFO] running `Command { std: "docker" "start" "-a" "0a5feb85bf7784188586627ea133f1649ccd91b9878435c5555bf639f50d2dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5feb85bf7784188586627ea133f1649ccd91b9878435c5555bf639f50d2dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5feb85bf7784188586627ea133f1649ccd91b9878435c5555bf639f50d2dd0", kill_on_drop: false }`
[INFO] [stdout] 0a5feb85bf7784188586627ea133f1649ccd91b9878435c5555bf639f50d2dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c68b1592dd8ea59da71789b938a955db7fcfdac6de1dd332c1d8df46b1aa8c24
[INFO] running `Command { std: "docker" "start" "-a" "c68b1592dd8ea59da71789b938a955db7fcfdac6de1dd332c1d8df46b1aa8c24", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking unicode-script v0.5.7
[INFO] [stderr]     Checking whichlang v0.1.1
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling pyo3-build-config v0.25.1
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.25.1
[INFO] [stderr]    Compiling pyo3-ffi v0.25.1
[INFO] [stderr]    Compiling pyo3 v0.25.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]    Compiling pyo3-macros v0.25.1
[INFO] [stderr]     Checking fontmod v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/info.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/info.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/lib.rs:46:47
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn contains(&self, unicode_char: char) -> bool {
[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<Option<u32>, Infallible>
[INFO] [stdout]   --> src/lib.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_gid(&self, unicode_char: char) -> Option<u32> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:132:64
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn fallback(&mut self, unicode_char: char, serif: bool) -> Option<FontInfo> {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |     ) -> Option<FontInfo> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:158:72
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn fallback_with_script(&mut self, script: Script, serif: bool) -> Option<FontInfo> {
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:164:77
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn fallback_with_script_string(&mut self, script: &str, serif: bool) -> Option<FontInfo> {
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Script, Infallible>
[INFO] [stdout]    --> src/lib.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn script(&self, c: char) -> Script {
[INFO] [stdout]     |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:174:36
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn pyscript(&self, c: char) -> String {
[INFO] [stdout]     |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Script, Infallible>
[INFO] [stdout]    --> src/lib.rs:178:38
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn script2(&self, text: &str) -> Script {
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:182:40
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn pyscript2(&self, text: &str) -> String {
[INFO] [stdout]     |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/lib.rs:46:47
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn contains(&self, unicode_char: char) -> bool {
[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<Option<u32>, Infallible>
[INFO] [stdout]   --> src/lib.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_gid(&self, unicode_char: char) -> Option<u32> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:132:64
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn fallback(&mut self, unicode_char: char, serif: bool) -> Option<FontInfo> {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:152:10
[INFO] [stdout]     |
[INFO] [stdout] 152 |     ) -> Option<FontInfo> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:158:72
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn fallback_with_script(&mut self, script: Script, serif: bool) -> Option<FontInfo> {
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<FontInfo>, Infallible>
[INFO] [stdout]    --> src/lib.rs:164:77
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn fallback_with_script_string(&mut self, script: &str, serif: bool) -> Option<FontInfo> {
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Script, Infallible>
[INFO] [stdout]    --> src/lib.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn script(&self, c: char) -> Script {
[INFO] [stdout]     |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:174:36
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn pyscript(&self, c: char) -> String {
[INFO] [stdout]     |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Script, Infallible>
[INFO] [stdout]    --> src/lib.rs:178:38
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn script2(&self, text: &str) -> Script {
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:182:40
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn pyscript2(&self, text: &str) -> String {
[INFO] [stdout]     |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fontmod` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fontmod` (lib test) due to 10 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c68b1592dd8ea59da71789b938a955db7fcfdac6de1dd332c1d8df46b1aa8c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68b1592dd8ea59da71789b938a955db7fcfdac6de1dd332c1d8df46b1aa8c24", kill_on_drop: false }`
[INFO] [stdout] c68b1592dd8ea59da71789b938a955db7fcfdac6de1dd332c1d8df46b1aa8c24
