[INFO] fetching crate control-sys 0.1.0...
[INFO] checking control-sys-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate control-sys 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate control-sys 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate control-sys 0.1.0
[INFO] tweaked toml for crates.io crate control-sys 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate control-sys 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate control-sys 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dwrote v0.11.2
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[INFO] [stderr]   Downloaded font-kit v0.14.2
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[INFO] [stdout] 0d4659ef2c61aaa8c6cb78fc8efe11cfbe858811bf18921f8b9c276b8a1c7e47
[INFO] running `Command { std: "docker" "start" "-a" "0d4659ef2c61aaa8c6cb78fc8efe11cfbe858811bf18921f8b9c276b8a1c7e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4659ef2c61aaa8c6cb78fc8efe11cfbe858811bf18921f8b9c276b8a1c7e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4659ef2c61aaa8c6cb78fc8efe11cfbe858811bf18921f8b9c276b8a1c7e47", kill_on_drop: false }`
[INFO] [stdout] 0d4659ef2c61aaa8c6cb78fc8efe11cfbe858811bf18921f8b9c276b8a1c7e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ffeff98e0c995394a82c79f0acef6bf050d86ec942134c4dda4d8243115b07
[INFO] running `Command { std: "docker" "start" "-a" "59ffeff98e0c995394a82c79f0acef6bf050d86ec942134c4dda4d8243115b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
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[INFO] [stderr]     Checking control-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `build_controllable_canonical_form` is never used
[INFO] [stdout]    --> src/model.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl ContinuousStateSpaceModel {
[INFO] [stdout]     | ------------------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     fn build_controllable_canonical_form(tf: &TransferFunction) -> ContinuousStateSpaceModel {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransferFunction` is never constructed
[INFO] [stdout]    --> src/model.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 | struct TransferFunction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/model.rs:344:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | impl TransferFunction {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 344 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `Command { std: "docker" "inspect" "59ffeff98e0c995394a82c79f0acef6bf050d86ec942134c4dda4d8243115b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ffeff98e0c995394a82c79f0acef6bf050d86ec942134c4dda4d8243115b07", kill_on_drop: false }`
[INFO] [stdout] 59ffeff98e0c995394a82c79f0acef6bf050d86ec942134c4dda4d8243115b07