[INFO] fetching crate arcos-kdl 0.3.2...
[INFO] checking arcos-kdl-0.3.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate arcos-kdl 0.3.2 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate arcos-kdl 0.3.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcos-kdl 0.3.2
[INFO] finished tweaking crates.io crate arcos-kdl 0.3.2
[INFO] tweaked toml for crates.io crate arcos-kdl 0.3.2 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b058ee58272d27d3d0ef7ffb320ca649fdc72735196a4764c7d7f64d95ed17d6
[INFO] running `Command { std: "docker" "start" "-a" "b058ee58272d27d3d0ef7ffb320ca649fdc72735196a4764c7d7f64d95ed17d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b058ee58272d27d3d0ef7ffb320ca649fdc72735196a4764c7d7f64d95ed17d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b058ee58272d27d3d0ef7ffb320ca649fdc72735196a4764c7d7f64d95ed17d6", kill_on_drop: false }`
[INFO] [stdout] b058ee58272d27d3d0ef7ffb320ca649fdc72735196a4764c7d7f64d95ed17d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0780f46217a9634973cca804a4d38cbf878a8b433bbb21c28fd5acbea7726533
[INFO] running `Command { std: "docker" "start" "-a" "0780f46217a9634973cca804a4d38cbf878a8b433bbb21c28fd5acbea7726533", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
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[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking nalgebra v0.24.1
[INFO] [stderr]     Checking arcos-kdl v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `kuka_description`
[INFO] [stdout]   --> benches/benchmarks.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let kuka_description = create_kuka_description();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kuka_description`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmarks.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let mut arm1 = arm.clone(); // TODO: Hack!
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmarks.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut arm2 = arm.clone(); // TODO: Hack! learn lifetimes!
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmarks.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut arm3 = arm.clone(); // TODO: Hack! learn lifetimes!
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmarks.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut arm4 = arm.clone(); // TODO: Hack! learn lifetimes!
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmarks.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let mut arm5 = arm.clone(); // TODO: Hack! learn lifetimes!
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> benches/benchmarks.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut arm6 = arm.clone(); // TODO: Hack! learn lifetimes!
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `kinematic_arm_set_joint_states`
[INFO] [stdout]   --> benches/benchmarks.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn kinematic_arm_set_joint_states() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "0780f46217a9634973cca804a4d38cbf878a8b433bbb21c28fd5acbea7726533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0780f46217a9634973cca804a4d38cbf878a8b433bbb21c28fd5acbea7726533", kill_on_drop: false }`
[INFO] [stdout] 0780f46217a9634973cca804a4d38cbf878a8b433bbb21c28fd5acbea7726533