[INFO] fetching crate cpumap 0.2.1...
[INFO] checking cpumap-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate cpumap 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cpumap 0.2.1 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 cpumap 0.2.1
[INFO] finished tweaking crates.io crate cpumap 0.2.1
[INFO] tweaked toml for crates.io crate cpumap 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cpumap 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ce934c550e053f575ca5db28506d804cb2be0612340bd4421b2be268ef73fef8
[INFO] running `Command { std: "docker" "start" "-a" "ce934c550e053f575ca5db28506d804cb2be0612340bd4421b2be268ef73fef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce934c550e053f575ca5db28506d804cb2be0612340bd4421b2be268ef73fef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce934c550e053f575ca5db28506d804cb2be0612340bd4421b2be268ef73fef8", kill_on_drop: false }`
[INFO] [stdout] ce934c550e053f575ca5db28506d804cb2be0612340bd4421b2be268ef73fef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 05c3786a3ec6e633f81a7cd854914da325f272b2e2b5a2b7cffb9993f368be95
[INFO] running `Command { std: "docker" "start" "-a" "05c3786a3ec6e633f81a7cd854914da325f272b2e2b5a2b7cffb9993f368be95", kill_on_drop: false }`
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[INFO] [stderr]     Checking cpumap v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `toggle` is never used
[INFO] [stdout]    --> src/util.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub trait CpuSetExt {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn toggle(&mut self, bit: u32);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frame_level` and `is_single_core` are never read
[INFO] [stdout]   --> src/topologycache.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct TopologyObjectInfo {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub frame_level:    u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 85 |     /// Whether this object recursively contains only a single core (may have multiple PUs).
[INFO] [stdout] 86 |     pub is_single_core: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TopologyObjectInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toggle` is never used
[INFO] [stdout]    --> src/util.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub trait CpuSetExt {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn toggle(&mut self, bit: u32);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `frame_level` and `is_single_core` are never read
[INFO] [stdout]   --> src/topologycache.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct TopologyObjectInfo {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub frame_level:    u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 85 |     /// Whether this object recursively contains only a single core (may have multiple PUs).
[INFO] [stdout] 86 |     pub is_single_core: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TopologyObjectInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "05c3786a3ec6e633f81a7cd854914da325f272b2e2b5a2b7cffb9993f368be95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c3786a3ec6e633f81a7cd854914da325f272b2e2b5a2b7cffb9993f368be95", kill_on_drop: false }`
[INFO] [stdout] 05c3786a3ec6e633f81a7cd854914da325f272b2e2b5a2b7cffb9993f368be95