[INFO] fetching crate emit_web 0.2.1...
[INFO] checking emit_web-0.2.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate emit_web 0.2.1 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emit_web 0.2.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1741422c8b8a4227953122703039d871fb27e9d38d676b13de3d08b9f2bc09f
[INFO] running `Command { std: "docker" "start" "-a" "a1741422c8b8a4227953122703039d871fb27e9d38d676b13de3d08b9f2bc09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1741422c8b8a4227953122703039d871fb27e9d38d676b13de3d08b9f2bc09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1741422c8b8a4227953122703039d871fb27e9d38d676b13de3d08b9f2bc09f", kill_on_drop: false }`
[INFO] [stdout] a1741422c8b8a4227953122703039d871fb27e9d38d676b13de3d08b9f2bc09f
[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" "-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97155715f2ae8d71019a41c3ab6b89ce0e5239afb5297d5f454a927ca748cd7f
[INFO] running `Command { std: "docker" "start" "-a" "97155715f2ae8d71019a41c3ab6b89ce0e5239afb5297d5f454a927ca748cd7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bumpalo v3.18.1
[INFO] [stderr]    Compiling libc v0.2.173
[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 serde_buf v0.1.1
[INFO] [stderr]     Checking serde_fmt v1.0.3
[INFO] [stderr]     Checking erased-serde v0.4.6
[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] [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]     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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.90s
[INFO] running `Command { std: "docker" "inspect" "97155715f2ae8d71019a41c3ab6b89ce0e5239afb5297d5f454a927ca748cd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97155715f2ae8d71019a41c3ab6b89ce0e5239afb5297d5f454a927ca748cd7f", kill_on_drop: false }`
[INFO] [stdout] 97155715f2ae8d71019a41c3ab6b89ce0e5239afb5297d5f454a927ca748cd7f