[INFO] fetching crate lib_xch 0.13.0...
[INFO] extracting crate lib_xch 0.13.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lib_xch/0.13.0
[INFO] extracting crate lib_xch 0.13.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lib_xch/0.13.0
[INFO] validating manifest of lib_xch-0.13.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lib_xch-0.13.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lib_xch-0.13.0
[INFO] finished frobbing lib_xch-0.13.0
[INFO] frobbed toml for lib_xch-0.13.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/lib_xch/0.13.0/Cargo.toml
[INFO] started frobbing lib_xch-0.13.0
[INFO] finished frobbing lib_xch-0.13.0
[INFO] frobbed toml for lib_xch-0.13.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lib_xch/0.13.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing lib_xch-0.13.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lib_xch/0.13.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 98a7931f2e709010c4a5c5269e4c57e0bc066d85848ca1d5d09b24457fa89b1a
[INFO] running `"docker" "start" "-a" "98a7931f2e709010c4a5c5269e4c57e0bc066d85848ca1d5d09b24457fa89b1a"`
[INFO] [stderr]    Compiling id_tree v1.5.0
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling nalgebra v0.16.13
[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-0.16.13/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling lib_xch v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.24s
[INFO] running `"docker" "inspect" "98a7931f2e709010c4a5c5269e4c57e0bc066d85848ca1d5d09b24457fa89b1a"`
[INFO] running `"docker" "rm" "-f" "98a7931f2e709010c4a5c5269e4c57e0bc066d85848ca1d5d09b24457fa89b1a"`
[INFO] [stdout] 98a7931f2e709010c4a5c5269e4c57e0bc066d85848ca1d5d09b24457fa89b1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lib_xch/0.13.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 930cd74be0bfa261c60656719fd03c74a21ddfc92de984a53566df7f9dc8b664
[INFO] running `"docker" "start" "-a" "930cd74be0bfa261c60656719fd03c74a21ddfc92de984a53566df7f9dc8b664"`
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling lib_xch v0.13.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `"docker" "inspect" "930cd74be0bfa261c60656719fd03c74a21ddfc92de984a53566df7f9dc8b664"`
[INFO] running `"docker" "rm" "-f" "930cd74be0bfa261c60656719fd03c74a21ddfc92de984a53566df7f9dc8b664"`
[INFO] [stdout] 930cd74be0bfa261c60656719fd03c74a21ddfc92de984a53566df7f9dc8b664
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/lib_xch/0.13.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] ad5f6d301b061e062e5994698d3d15fdf4e463e15b0236fb457db83ef6582420
[INFO] running `"docker" "start" "-a" "ad5f6d301b061e062e5994698d3d15fdf4e463e15b0236fb457db83ef6582420"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib_xch-221d8dcf19be2a05
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test public::cell::tests::overflow_test_1 ... ok
[INFO] [stdout] test parser::atomdict::tests::mul_test ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_2 ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_3 ... ok
[INFO] [stdout] test parser::atomdict::tests::add_test ... ok
[INFO] [stdout] test public::cell::tests::overflow_test_4 ... ok
[INFO] [stdout] test parser::ast::treebuilder::tests::parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integrated_test-baa6ac2529752621
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test error ... ok
[INFO] [stdout] test solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib_xch
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad5f6d301b061e062e5994698d3d15fdf4e463e15b0236fb457db83ef6582420"`
[INFO] running `"docker" "rm" "-f" "ad5f6d301b061e062e5994698d3d15fdf4e463e15b0236fb457db83ef6582420"`
[INFO] [stdout] ad5f6d301b061e062e5994698d3d15fdf4e463e15b0236fb457db83ef6582420