[INFO] fetching crate emit_web 0.2.1...
[INFO] checking emit_web-0.2.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate emit_web 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate emit_web 0.2.1
[INFO] finished tweaking crates.io crate emit_web 0.2.1
[INFO] tweaked toml for crates.io crate emit_web 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate emit_web 0.2.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate emit_web 0.2.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag-sval2 v1.11.1
[INFO] [stderr]   Downloaded sval v2.14.1
[INFO] [stderr]   Downloaded sval_ref v2.14.1
[INFO] [stderr]   Downloaded fv-template v0.5.1
[INFO] [stderr]   Downloaded sval_serde v2.14.1
[INFO] [stderr]   Downloaded sval_json v2.14.1
[INFO] [stderr]   Downloaded sval_buffer v2.14.1
[INFO] [stderr]   Downloaded serde_buf v0.1.1
[INFO] [stderr]   Downloaded value-bag-serde1 v1.11.1
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded sval_nested v2.14.1
[INFO] [stderr]   Downloaded sval_dynamic v2.14.1
[INFO] [stderr]   Downloaded sval_fmt v2.14.1
[INFO] [stderr]   Downloaded emit_core v1.10.0
[INFO] [stderr]   Downloaded emit_macros v1.10.0
[INFO] [stderr]   Downloaded emit v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b35d55246a94f3b0874775115ccc12d913ca44582eca17d7a1b7d4929ca1546
[INFO] running `Command { std: "docker" "start" "-a" "1b35d55246a94f3b0874775115ccc12d913ca44582eca17d7a1b7d4929ca1546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b35d55246a94f3b0874775115ccc12d913ca44582eca17d7a1b7d4929ca1546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b35d55246a94f3b0874775115ccc12d913ca44582eca17d7a1b7d4929ca1546", kill_on_drop: false }`
[INFO] [stdout] 1b35d55246a94f3b0874775115ccc12d913ca44582eca17d7a1b7d4929ca1546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872270ce933df5d298af396c86635ac9a5cd449fcd6983c720ee06388795195f
[INFO] running `Command { std: "docker" "start" "-a" "872270ce933df5d298af396c86635ac9a5cd449fcd6983c720ee06388795195f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling bumpalo v3.18.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling emit_core v1.10.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking erased-serde v0.4.6
[INFO] [stderr]     Checking serde_fmt v1.0.3
[INFO] [stderr]     Checking serde_buf v0.1.1
[INFO] [stderr]     Checking value-bag-serde1 v1.11.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling fv-template v0.5.1
[INFO] [stderr]    Compiling emit_macros v1.10.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]     Checking emit v1.10.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking wasm-bindgen v0.2.100
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.50
[INFO] [stderr]     Checking emit_web v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.50
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 | /             self.0.for_each(|k, v| {
[INFO] [stdout] 138 | |                 match (|| {
[INFO] [stdout] 139 | |                     map.serialize_key(&k)?;
[INFO] [stdout] 140 | |                     map.serialize_value(&v)
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = self.0.for_each(|k, v| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/lib.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 | /             self.0.for_each(|k, v| {
[INFO] [stdout] 138 | |                 match (|| {
[INFO] [stdout] 139 | |                     map.serialize_key(&k)?;
[INFO] [stdout] 140 | |                     map.serialize_value(&v)
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = self.0.for_each(|k, v| {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.60s
[INFO] running `Command { std: "docker" "inspect" "872270ce933df5d298af396c86635ac9a5cd449fcd6983c720ee06388795195f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872270ce933df5d298af396c86635ac9a5cd449fcd6983c720ee06388795195f", kill_on_drop: false }`
[INFO] [stdout] 872270ce933df5d298af396c86635ac9a5cd449fcd6983c720ee06388795195f