[INFO] crate riscan-pro 0.2.1 is already in cache
[INFO] extracting crate riscan-pro 0.2.1 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/riscan-pro/0.2.1
[INFO] extracting crate riscan-pro 0.2.1 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/riscan-pro/0.2.1
[INFO] validating manifest of riscan-pro-0.2.1 on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of riscan-pro-0.2.1 on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing riscan-pro-0.2.1
[INFO] finished frobbing riscan-pro-0.2.1
[INFO] frobbed toml for riscan-pro-0.2.1 written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/riscan-pro/0.2.1/Cargo.toml
[INFO] started frobbing riscan-pro-0.2.1
[INFO] finished frobbing riscan-pro-0.2.1
[INFO] frobbed toml for riscan-pro-0.2.1 written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/riscan-pro/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking riscan-pro-0.2.1 against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-6/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/riscan-pro/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c0cea3aed43730996d38cb7b8797f2fe91b8b38962b89253db2989a0a53c14d4
[INFO] running `"docker" "start" "-a" "c0cea3aed43730996d38cb7b8797f2fe91b8b38962b89253db2989a0a53c14d4"`
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking xmltree v0.6.1
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.13.1/src/core/cg.rs:255:44
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]     Checking riscan-pro v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Error` is imported redundantly
[INFO] [stderr]   --> src/scan_position.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 3  | use {CameraCalibration, Error, MountCalibration, Project, Result};
[INFO] [stderr]    |                         ----- the item `Error` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 62 |         use Error;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `nalgebra` is imported redundantly
[INFO] [stderr]   --> src/utils.rs:5:20
[INFO] [stderr]    |
[INFO] [stderr] 5  |     use nalgebra::{self, Matrix4};
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | extern crate nalgebra;
[INFO] [stderr]    | ---------------------- the item `nalgebra` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Error` is imported redundantly
[INFO] [stderr]   --> src/scan_position.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 3  | use {CameraCalibration, Error, MountCalibration, Project, Result};
[INFO] [stderr]    |                         ----- the item `Error` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 62 |         use Error;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `nalgebra` is imported redundantly
[INFO] [stderr]   --> src/utils.rs:5:20
[INFO] [stderr]    |
[INFO] [stderr] 5  |     use nalgebra::{self, Matrix4};
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | extern crate nalgebra;
[INFO] [stderr]    | ---------------------- the item `nalgebra` is already imported here
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.55s
[INFO] running `"docker" "inspect" "c0cea3aed43730996d38cb7b8797f2fe91b8b38962b89253db2989a0a53c14d4"`
[INFO] running `"docker" "rm" "-f" "c0cea3aed43730996d38cb7b8797f2fe91b8b38962b89253db2989a0a53c14d4"`
[INFO] [stdout] c0cea3aed43730996d38cb7b8797f2fe91b8b38962b89253db2989a0a53c14d4