[INFO] fetching crate machine-check-machine 0.3.0...
[INFO] checking machine-check-machine-0.3.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate machine-check-machine 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate machine-check-machine 0.3.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate machine-check-machine 0.3.0
[INFO] finished tweaking crates.io crate machine-check-machine 0.3.0
[INFO] tweaked toml for crates.io crate machine-check-machine 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded num-bigint v0.4.6
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded machine-check-bitmask-switch v0.3.0
[INFO] [stderr]   Downloaded syn-path v2.0.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9ab24262e9d5df2c5a7a9e8743ce6e982eab6f02a2303fa03e2e86cec491c56
[INFO] running `Command { std: "docker" "start" "-a" "d9ab24262e9d5df2c5a7a9e8743ce6e982eab6f02a2303fa03e2e86cec491c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9ab24262e9d5df2c5a7a9e8743ce6e982eab6f02a2303fa03e2e86cec491c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ab24262e9d5df2c5a7a9e8743ce6e982eab6f02a2303fa03e2e86cec491c56", kill_on_drop: false }`
[INFO] [stdout] d9ab24262e9d5df2c5a7a9e8743ce6e982eab6f02a2303fa03e2e86cec491c56
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d680e48bb8a95ecd3c5dc3c2b610c9c3bd37f5fefa4ebc610d975919290fa4a0
[INFO] running `Command { std: "docker" "start" "-a" "d680e48bb8a95ecd3c5dc3c2b610c9c3bd37f5fefa4ebc610d975919290fa4a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]     Checking syn v2.0.76
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking syn-path v2.0.0
[INFO] [stderr]     Checking machine-check-bitmask-switch v0.3.0
[INFO] [stderr]     Checking machine-check-machine v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `structs` is never read
[INFO] [stdout]   --> src/ssa/convert_types/local_visitor.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LocalVisitor<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 17 |     pub local_ident_types: HashMap<Ident, Type>,
[INFO] [stdout] 18 |     pub structs: &'a HashMap<Path, ItemStruct>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `structs` is never read
[INFO] [stdout]   --> src/ssa/convert_types/local_visitor.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LocalVisitor<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 17 |     pub local_ident_types: HashMap<Ident, Type>,
[INFO] [stdout] 18 |     pub structs: &'a HashMap<Path, ItemStruct>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "d680e48bb8a95ecd3c5dc3c2b610c9c3bd37f5fefa4ebc610d975919290fa4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d680e48bb8a95ecd3c5dc3c2b610c9c3bd37f5fefa4ebc610d975919290fa4a0", kill_on_drop: false }`
[INFO] [stdout] d680e48bb8a95ecd3c5dc3c2b610c9c3bd37f5fefa4ebc610d975919290fa4a0