[INFO] cloning repository https://github.com/benjamin-cates/MipsWeaver.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjamin-cates/MipsWeaver.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjamin-cates%2FMipsWeaver.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjamin-cates%2FMipsWeaver.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 441ba527e7acbea956330ee25de0ccb1a879eba0
[INFO] checking benjamin-cates/MipsWeaver.rs 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%2Fbenjamin-cates%2FMipsWeaver.rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benjamin-cates/MipsWeaver.rs
[INFO] finished tweaking git repo https://github.com/benjamin-cates/MipsWeaver.rs
[INFO] tweaked toml for git repo https://github.com/benjamin-cates/MipsWeaver.rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjamin-cates/MipsWeaver.rs 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/benjamin-cates/MipsWeaver.rs 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f985b84305848ba6fa1cd6d651ada20a18f406f8483116e61b5436e337c5ae6a
[INFO] running `Command { std: "docker" "start" "-a" "f985b84305848ba6fa1cd6d651ada20a18f406f8483116e61b5436e337c5ae6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f985b84305848ba6fa1cd6d651ada20a18f406f8483116e61b5436e337c5ae6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f985b84305848ba6fa1cd6d651ada20a18f406f8483116e61b5436e337c5ae6a", kill_on_drop: false }`
[INFO] [stdout] f985b84305848ba6fa1cd6d651ada20a18f406f8483116e61b5436e337c5ae6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ea20e62a3b6d7606a49452d3954bed8cf9b34312ea6a33ae1a8ae517e6aaa7c5
[INFO] running `Command { std: "docker" "start" "-a" "ea20e62a3b6d7606a49452d3954bed8cf9b34312ea6a33ae1a8ae517e6aaa7c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking ariadne v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking mips_weaver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 48 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 49 | |         if s.ends_with('u') || s.ends_with("uc") {
[INFO] [stdout] 50 | |             Ok(Sign::Unsigned)
[INFO] [stdout] 51 | |         } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[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<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | /         if s.ends_with('u') || s.ends_with("uc") {
[INFO] [stdout] 50 | |             Ok(Sign::Unsigned)
[INFO] [stdout] 51 | |         } else {
[INFO] [stdout] 52 | |             Ok(Sign::Signed)
[INFO] [stdout] 53 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |           if s.ends_with('u') || s.ends_with("uc") {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 50 | |             Ok(Sign::Unsigned)
[INFO] [stdout] 51 | |         } else {
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Ok(Sign::Unsigned)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           } else {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 52 | |             Ok(Sign::Signed)
[INFO] [stdout] 53 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Ok(Sign::Signed)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]    --> src/parse/instruction.rs:293:22
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let sign: Sign = name.parse().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mips_weaver` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 48 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 49 | |         if s.ends_with('u') || s.ends_with("uc") {
[INFO] [stdout] 50 | |             Ok(Sign::Unsigned)
[INFO] [stdout] 51 | |         } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[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<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | /         if s.ends_with('u') || s.ends_with("uc") {
[INFO] [stdout] 50 | |             Ok(Sign::Unsigned)
[INFO] [stdout] 51 | |         } else {
[INFO] [stdout] 52 | |             Ok(Sign::Signed)
[INFO] [stdout] 53 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:49:50
[INFO] [stdout]    |
[INFO] [stdout] 49 |           if s.ends_with('u') || s.ends_with("uc") {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 50 | |             Ok(Sign::Unsigned)
[INFO] [stdout] 51 | |         } else {
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Ok(Sign::Unsigned)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |           } else {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 52 | |             Ok(Sign::Signed)
[INFO] [stdout] 53 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]   --> src/instruction/parse.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Ok(Sign::Signed)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<types::Sign, Infallible>
[INFO] [stdout]    --> src/parse/instruction.rs:293:22
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let sign: Sign = name.parse().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mips_weaver` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "ea20e62a3b6d7606a49452d3954bed8cf9b34312ea6a33ae1a8ae517e6aaa7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea20e62a3b6d7606a49452d3954bed8cf9b34312ea6a33ae1a8ae517e6aaa7c5", kill_on_drop: false }`
[INFO] [stdout] ea20e62a3b6d7606a49452d3954bed8cf9b34312ea6a33ae1a8ae517e6aaa7c5
