[INFO] fetching crate simplers_optimization 0.4.1...
[INFO] checking simplers_optimization-0.4.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate simplers_optimization 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simplers_optimization 0.4.1
[INFO] finished tweaking crates.io crate simplers_optimization 0.4.1
[INFO] tweaked toml for crates.io crate simplers_optimization 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate simplers_optimization 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e7a733493b99cbf27834552b83451b5d5a418522e3cbb28a2cd5fa1073d2954
[INFO] running `Command { std: "docker" "start" "-a" "9e7a733493b99cbf27834552b83451b5d5a418522e3cbb28a2cd5fa1073d2954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e7a733493b99cbf27834552b83451b5d5a418522e3cbb28a2cd5fa1073d2954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7a733493b99cbf27834552b83451b5d5a418522e3cbb28a2cd5fa1073d2954", kill_on_drop: false }`
[INFO] [stdout] 9e7a733493b99cbf27834552b83451b5d5a418522e3cbb28a2cd5fa1073d2954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381fc2b482f508db4035e44b947e15a7b814e4ed8c770ff09f69dea9fa9b69eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "381fc2b482f508db4035e44b947e15a7b814e4ed8c770ff09f69dea9fa9b69eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking priority-queue v0.6.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking simplers_optimization v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]   --> src/main.rs:19:83
[INFO] [stdout]    |
[INFO] [stdout] 19 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stdout]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]   --> src/main.rs:44:83
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stdout]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]   --> src/main.rs:19:83
[INFO] [stdout]    |
[INFO] [stdout] 19 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stdout]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]   --> src/main.rs:44:83
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stdout]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[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 [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "381fc2b482f508db4035e44b947e15a7b814e4ed8c770ff09f69dea9fa9b69eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381fc2b482f508db4035e44b947e15a7b814e4ed8c770ff09f69dea9fa9b69eb", kill_on_drop: false }`
[INFO] [stdout] 381fc2b482f508db4035e44b947e15a7b814e4ed8c770ff09f69dea9fa9b69eb
