[INFO] crate k 0.15.0 is already in cache
[INFO] testing k-0.15.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate k 0.15.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate k 0.15.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate k 0.15.0
[INFO] finished tweaking crates.io crate k 0.15.0
[INFO] tweaked toml for crates.io crate k 0.15.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 9febe83ff864b2d0ece5e029f67c903cbc04cc2660747d00704bff5bf2bd5e4e
[INFO] running `"docker" "start" "-a" "9febe83ff864b2d0ece5e029f67c903cbc04cc2660747d00704bff5bf2bd5e4e"`
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling serde-xml-rs v0.1.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling urdf-rs v0.4.2
[INFO] [stderr]    Compiling k v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:285:14
[INFO] [stderr]     |
[INFO] [stderr] 285 |         for (mut joint, position) in self.movable_joints.iter().zip(positions_vec.iter()) {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:294:14
[INFO] [stderr]     |
[INFO] [stderr] 294 |         for (mut joint, position) in self.movable_joints.iter().zip(positions_vec.iter()) {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:368:21
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 for mut c in &mut link.collisions {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:372:21
[INFO] [stderr]     |
[INFO] [stderr] 372 |                 for mut v in &mut link.visuals {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/urdf.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |             if let Some(mut parent_node) = child_link_name_to_node.get_mut(&l.name) {
[INFO] [stderr]     |                         ----^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/urdf.rs:295:21
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 let mut child = joint_name_to_node[&j.name].clone();
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.65s
[INFO] running `"docker" "inspect" "9febe83ff864b2d0ece5e029f67c903cbc04cc2660747d00704bff5bf2bd5e4e"`
[INFO] running `"docker" "rm" "-f" "9febe83ff864b2d0ece5e029f67c903cbc04cc2660747d00704bff5bf2bd5e4e"`
[INFO] [stdout] 9febe83ff864b2d0ece5e029f67c903cbc04cc2660747d00704bff5bf2bd5e4e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58d4505a37934c209b6cdd4b1f5dde019610b36b7139f42578089a8a3919f7b6
[INFO] running `"docker" "start" "-a" "58d4505a37934c209b6cdd4b1f5dde019610b36b7139f42578089a8a3919f7b6"`
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling ncollide3d v0.19.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling docmatic v0.1.2
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling kiss3d v0.20.1
[INFO] [stderr]    Compiling k v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:285:14
[INFO] [stderr]     |
[INFO] [stderr] 285 |         for (mut joint, position) in self.movable_joints.iter().zip(positions_vec.iter()) {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:294:14
[INFO] [stderr]     |
[INFO] [stderr] 294 |         for (mut joint, position) in self.movable_joints.iter().zip(positions_vec.iter()) {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:368:21
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 for mut c in &mut link.collisions {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chain.rs:372:21
[INFO] [stderr]     |
[INFO] [stderr] 372 |                 for mut v in &mut link.visuals {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/urdf.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |             if let Some(mut parent_node) = child_link_name_to_node.get_mut(&l.name) {
[INFO] [stderr]     |                         ----^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/urdf.rs:295:21
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 let mut child = joint_name_to_node[&j.name].clone();
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.56s
[INFO] running `"docker" "inspect" "58d4505a37934c209b6cdd4b1f5dde019610b36b7139f42578089a8a3919f7b6"`
[INFO] running `"docker" "rm" "-f" "58d4505a37934c209b6cdd4b1f5dde019610b36b7139f42578089a8a3919f7b6"`
[INFO] [stdout] 58d4505a37934c209b6cdd4b1f5dde019610b36b7139f42578089a8a3919f7b6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 99264a40cc572f956f4b82962cc63ffbb4ebafc9f971cdae0e2431610de7ef63
[INFO] running `"docker" "start" "-a" "99264a40cc572f956f4b82962cc63ffbb4ebafc9f971cdae0e2431610de7ef63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/k-bdbc9b67f5d1b593
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test chain::test_mimic ... ok
[INFO] [stdout] test chain::it_works ... ok
[INFO] [stdout] test funcs::test_update_center_of_mass ... ok
[INFO] [stdout] test urdf::test_tree ... ok
[INFO] [stdout] test urdf::test_tree_from_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_chain-b8fc5b7a36333e38
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_ik-c44b7ef3ee871e9a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::ik_fk7 ... ok
[INFO] [stdout] test tests::ik_fk6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_readme-ba6d30924b9d541f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test README.md - __Kinematics_library_for_rust_lang_::Create_link_tree_from_urdf_and_solve_IK (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] test test_readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests k
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/joint.rs - joint::Mimic (line 165) ... ok
[INFO] [stdout] test src/ik.rs - ik::JacobianIKSolver<T>::new (line 132) ... ok
[INFO] [stdout] test src/joint.rs - joint::Joint<T>::new (line 238) ... ok
[INFO] [stdout] test src/chain.rs - chain::SerialChain<T>::from_end (line 436) ... ok
[INFO] [stdout] test src/chain.rs - chain::SerialChain<T>::try_new (line 406) ... ok
[INFO] [stdout] test src/joint.rs - joint::Joint<T>::set_joint_position (line 269) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain<T>::from_root (line 119) ... ok
[INFO] [stdout] test src/joint.rs - joint::Joint<T>::local_transform (line 364) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain<T>::find (line 242) ... ok
[INFO] [stdout] test src/chain.rs - chain::SerialChain<T>::try_new (line 412) ... ok
[INFO] [stdout] test src/funcs.rs - funcs::center_of_mass (line 40) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain<T>::from_end (line 149) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain<T>::dof (line 221) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain<T>::iter (line 181) ... ok
[INFO] [stdout] test src/joint.rs - joint::Mimic<T>::mimic_position (line 200) ... ok
[INFO] [stdout] test src/joint.rs - joint::Mimic<T>::new (line 185) ... ok
[INFO] [stdout] test src/joint.rs - joint::Mimic<T>::mimic_position (line 195) ... ok
[INFO] [stdout] test src/chain.rs - chain::Chain (line 28) ... ok
[INFO] [stdout] test src/joint.rs - joint::Range<T>::from (line 148) ... ok
[INFO] [stdout] test src/joint.rs - joint::Range<T>::new (line 118) ... ok
[INFO] [stdout] test src/joint.rs - joint::Range<T>::is_valid (line 131) ... ok
[INFO] [stdout] test src/node.rs - connect (line 547) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::is_end (line 139) ... ok
[INFO] [stdout] test src/node.rs - node::JointBuilder (line 464) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::is_root (line 124) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::set_joint_position (line 174) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::set_joint_position (line 162) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::set_joint_position (line 184) ... ok
[INFO] [stdout] test src/node.rs - node::Node<T>::world_transform (line 260) ... ok
[INFO] [stdout] test src/urdf.rs - urdf::link_to_joint_map (line 343) ... ok
[INFO] [stdout] test src/ik.rs - ik::JacobianIKSolver<T>::solve (line 239) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "99264a40cc572f956f4b82962cc63ffbb4ebafc9f971cdae0e2431610de7ef63"`
[INFO] running `"docker" "rm" "-f" "99264a40cc572f956f4b82962cc63ffbb4ebafc9f971cdae0e2431610de7ef63"`
[INFO] [stdout] 99264a40cc572f956f4b82962cc63ffbb4ebafc9f971cdae0e2431610de7ef63