[INFO] crate euc 0.2.0 is already in cache
[INFO] extracting crate euc 0.2.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/euc/0.2.0
[INFO] extracting crate euc 0.2.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/euc/0.2.0
[INFO] validating manifest of euc-0.2.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of euc-0.2.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing euc-0.2.0
[INFO] finished frobbing euc-0.2.0
[INFO] frobbed toml for euc-0.2.0 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/euc/0.2.0/Cargo.toml
[INFO] started frobbing euc-0.2.0
[INFO] finished frobbing euc-0.2.0
[INFO] frobbed toml for euc-0.2.0 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/euc/0.2.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking euc-0.2.0 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/euc/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb431dbf7714acf2e38ee871ff1fe67541caebe39b4b0a7b21216d9d4e32cbdc
[INFO] running `"docker" "start" "-a" "cb431dbf7714acf2e38ee871ff1fe67541caebe39b4b0a7b21216d9d4e32cbdc"`
[INFO] [stderr]     Checking tobj v0.1.7
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling vek v0.9.7
[INFO] [stderr]     Checking x11-dl v2.14.0
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1897:31
[INFO] [stderr]      |
[INFO] [stderr] 1897 |                 rows[3][0] += rows[0].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1898:31
[INFO] [stderr]      |
[INFO] [stderr] 1898 |                 rows[3][1] += rows[1].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1899:31
[INFO] [stderr]      |
[INFO] [stderr] 1899 |                 rows[3][2] += rows[2].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1900:31
[INFO] [stderr]      |
[INFO] [stderr] 1900 |                 rows[3][3] += rows[3].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1897:31
[INFO] [stderr]      |
[INFO] [stderr] 1897 |                 rows[3][0] += rows[0].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1898:31
[INFO] [stderr]      |
[INFO] [stderr] 1898 |                 rows[3][1] += rows[1].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1899:31
[INFO] [stderr]      |
[INFO] [stderr] 1899 |                 rows[3][2] += rows[2].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1900:31
[INFO] [stderr]      |
[INFO] [stderr] 1900 |                 rows[3][3] += rows[3].dot(t);
[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] 3952 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1897:31
[INFO] [stderr]      |
[INFO] [stderr] 1897 |                 rows[3][0] += rows[0].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1898:31
[INFO] [stderr]      |
[INFO] [stderr] 1898 |                 rows[3][1] += rows[1].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1899:31
[INFO] [stderr]      |
[INFO] [stderr] 1899 |                 rows[3][2] += rows[2].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1900:31
[INFO] [stderr]      |
[INFO] [stderr] 1900 |                 rows[3][3] += rows[3].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1897:31
[INFO] [stderr]      |
[INFO] [stderr] 1897 |                 rows[3][0] += rows[0].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1898:31
[INFO] [stderr]      |
[INFO] [stderr] 1898 |                 rows[3][1] += rows[1].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1899:31
[INFO] [stderr]      |
[INFO] [stderr] 1899 |                 rows[3][2] += rows[2].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1900:31
[INFO] [stderr]      |
[INFO] [stderr] 1900 |                 rows[3][3] += rows[3].dot(t);
[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] 3974 |     mat_declare_modules!{}
[INFO] [stderr]      |     ---------------------- in this macro invocation
[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]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking euc v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.31s
[INFO] running `"docker" "inspect" "cb431dbf7714acf2e38ee871ff1fe67541caebe39b4b0a7b21216d9d4e32cbdc"`
[INFO] running `"docker" "rm" "-f" "cb431dbf7714acf2e38ee871ff1fe67541caebe39b4b0a7b21216d9d4e32cbdc"`
[INFO] [stdout] cb431dbf7714acf2e38ee871ff1fe67541caebe39b4b0a7b21216d9d4e32cbdc