[INFO] cloning repository https://github.com/must-sh/must
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/must-sh/must" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmust-sh%2Fmust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmust-sh%2Fmust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53f23a9eee4d9aa8a8b769553f1c11843e892c6
[INFO] checking must-sh/must against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmust-sh%2Fmust" "/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/must-sh/must
[INFO] finished tweaking git repo https://github.com/must-sh/must
[INFO] tweaked toml for git repo https://github.com/must-sh/must written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/must-sh/must on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/must-sh/must 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194
[INFO] running `Command { std: "docker" "start" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-srcgen v0.132.0
[INFO] [stderr]    Compiling wasmtime-internal-core v45.0.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking log v0.4.29
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[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]     Checking bumpalo v3.20.3
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[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]     Checking fnv v1.0.7
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[INFO] [stderr]    Compiling lalrpop-util v0.23.1
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[INFO] [stderr]     Checking cranelift-bitset v0.132.0
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[INFO] [stderr]    Compiling same-file v1.0.6
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[INFO] [stderr]    Compiling itertools v0.14.0
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[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling portable-atomic v1.13.1
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[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking rayon v1.12.0
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[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.9
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.132.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
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[INFO] [stderr]    Compiling cranelift-codegen v0.132.0
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling lalrpop v0.23.1
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking globset v0.4.20
[INFO] [stderr]    Compiling salsa-macros v0.26.2
[INFO] [stderr]     Checking insta v1.48.0
[INFO] [stderr]     Checking salsa v0.26.2
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling mustc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cranelift-module v0.132.0
[INFO] [stderr]     Checking cranelift-frontend v0.132.0
[INFO] [stderr]     Checking cranelift-object v0.132.0
[INFO] [stdout] warning: associated function `unknown_type` is never used
[INFO] [stdout]    --> src/tp.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl Diagnostic {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 251 |     pub fn unknown_type(db: &dyn Database, span: Span, name: String, source: Source) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_unbound_var` is never used
[INFO] [stdout]    --> src/tp.rs:380:12
[INFO] [stdout]     |
[INFO] [stdout] 358 | impl<'a> Env<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 380 |     pub fn new_unbound_var(&mut self) -> TypeId<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unknown_type` is never used
[INFO] [stdout]    --> src/tp.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 203 | impl Diagnostic {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 251 |     pub fn unknown_type(db: &dyn Database, span: Span, name: String, source: Source) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_unbound_var` is never used
[INFO] [stdout]    --> src/tp.rs:380:12
[INFO] [stdout]     |
[INFO] [stdout] 358 | impl<'a> Env<'a> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 380 |     pub fn new_unbound_var(&mut self) -> TypeId<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]   --> Cargo.toml:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | [dependencies.serde]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: unused dependency `toml`
[INFO] [stderr]   --> Cargo.toml:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | toml = "1.1.3"
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `toml`
[INFO] [stderr] warning: `mustc` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194", kill_on_drop: false }`
[INFO] [stdout] a0dfb426aa8f46081d10da997f560a21dcc13ddff21a99cd1f2edc68ad465194
