[INFO] cloning repository https://github.com/kpwelsh/PandaIK
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kpwelsh/PandaIK" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaIK", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaIK'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e18d4cbbd42a848b814e7674bf051aa1ed0d9f8e
[INFO] checking kpwelsh/PandaIK against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaIK" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kpwelsh/PandaIK on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kpwelsh/PandaIK
[INFO] finished tweaking git repo https://github.com/kpwelsh/PandaIK
[INFO] tweaked toml for git repo https://github.com/kpwelsh/PandaIK written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kpwelsh/PandaIK 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded optimization_engine v0.6.2
[INFO] [stderr]   Downloaded wide v0.7.1
[INFO] [stderr]   Downloaded hyperdual v0.5.0
[INFO] [stderr]   Downloaded urdf-rs v0.6.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20a4d42331728804020ad76423541a468f80ed20a641c5c37c1bcc947bf470f2
[INFO] running `Command { std: "docker" "start" "-a" "20a4d42331728804020ad76423541a468f80ed20a641c5c37c1bcc947bf470f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20a4d42331728804020ad76423541a468f80ed20a641c5c37c1bcc947bf470f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a4d42331728804020ad76423541a468f80ed20a641c5c37c1bcc947bf470f2", kill_on_drop: false }`
[INFO] [stdout] 20a4d42331728804020ad76423541a468f80ed20a641c5c37c1bcc947bf470f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87b6e57fea811df6b325001cb9e83f97c9257378dc6d0d207310e0f577feb18f
[INFO] running `Command { std: "docker" "start" "-a" "87b6e57fea811df6b325001cb9e83f97c9257378dc6d0d207310e0f577feb18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking RustyXML v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking optimization_engine v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking urdf-rs v0.6.1
[INFO] [stderr]     Checking k v0.25.0
[INFO] [stderr]     Checking hyperdual v0.5.0
[INFO] [stderr]     Checking panda_ik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `k` is imported redundantly
[INFO] [stdout]  --> src/robot/ik.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | use k::{self, UnitQuaternion};
[INFO] [stdout]   |         ^^^^ the item `k` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_yaml;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `k` is imported redundantly
[INFO] [stdout]  --> src/robot/ik.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | use k::{self, UnitQuaternion};
[INFO] [stdout]   |         ^^^^ the item `k` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_yaml;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[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 27.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.26.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "87b6e57fea811df6b325001cb9e83f97c9257378dc6d0d207310e0f577feb18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b6e57fea811df6b325001cb9e83f97c9257378dc6d0d207310e0f577feb18f", kill_on_drop: false }`
[INFO] [stdout] 87b6e57fea811df6b325001cb9e83f97c9257378dc6d0d207310e0f577feb18f
[INFO] checking kpwelsh/PandaIK against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpwelsh%2FPandaIK" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kpwelsh/PandaIK on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kpwelsh/PandaIK
[INFO] finished tweaking git repo https://github.com/kpwelsh/PandaIK
[INFO] tweaked toml for git repo https://github.com/kpwelsh/PandaIK written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kpwelsh/PandaIK 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef0b91bfa3d15d922c51890fb0f49ca27136006ab594943ab8ccf92038a7aac
[INFO] running `Command { std: "docker" "start" "-a" "4ef0b91bfa3d15d922c51890fb0f49ca27136006ab594943ab8ccf92038a7aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef0b91bfa3d15d922c51890fb0f49ca27136006ab594943ab8ccf92038a7aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef0b91bfa3d15d922c51890fb0f49ca27136006ab594943ab8ccf92038a7aac", kill_on_drop: false }`
[INFO] [stdout] 4ef0b91bfa3d15d922c51890fb0f49ca27136006ab594943ab8ccf92038a7aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17567b23e8000507784f75bbd66610cce0aece61e15904dae3068d187fe185c5
[INFO] running `Command { std: "docker" "start" "-a" "17567b23e8000507784f75bbd66610cce0aece61e15904dae3068d187fe185c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking RustyXML v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking optimization_engine v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking urdf-rs v0.6.1
[INFO] [stderr]     Checking k v0.25.0
[INFO] [stderr]     Checking hyperdual v0.5.0
[INFO] [stderr]     Checking panda_ik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `k` is imported redundantly
[INFO] [stdout]  --> src/robot/ik.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | use k::{self, UnitQuaternion};
[INFO] [stdout]   |         ^^^^ the item `k` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_yaml;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `k` is imported redundantly
[INFO] [stdout]  --> src/robot/ik.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | use k::{self, UnitQuaternion};
[INFO] [stdout]   |         ^^^^ the item `k` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_yaml;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_yaml` is already defined by prelude
[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 20.67s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.26.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "17567b23e8000507784f75bbd66610cce0aece61e15904dae3068d187fe185c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17567b23e8000507784f75bbd66610cce0aece61e15904dae3068d187fe185c5", kill_on_drop: false }`
[INFO] [stdout] 17567b23e8000507784f75bbd66610cce0aece61e15904dae3068d187fe185c5