[INFO] fetching crate skeid 0.21.0...
[INFO] testing skeid-0.21.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate skeid 0.21.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate skeid 0.21.0
[INFO] finished tweaking crates.io crate skeid 0.21.0
[INFO] tweaked toml for crates.io crate skeid 0.21.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate skeid 0.21.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b7d9cfdbc082122419d93876e563da9ad54b54dd8037d726c588fd42959ffd9
[INFO] running `Command { std: "docker" "start" "-a" "1b7d9cfdbc082122419d93876e563da9ad54b54dd8037d726c588fd42959ffd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7d9cfdbc082122419d93876e563da9ad54b54dd8037d726c588fd42959ffd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7d9cfdbc082122419d93876e563da9ad54b54dd8037d726c588fd42959ffd9", kill_on_drop: false }`
[INFO] [stdout] 1b7d9cfdbc082122419d93876e563da9ad54b54dd8037d726c588fd42959ffd9
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00099f57364a21518be7ba7d1e964f1b4f653a1ad9c838124ebbc1d57787b722
[INFO] running `Command { std: "docker" "start" "-a" "00099f57364a21518be7ba7d1e964f1b4f653a1ad9c838124ebbc1d57787b722", kill_on_drop: false }`
[INFO] [stderr]    Compiling skeid v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/matrix/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 81 |         coordinate_iterator: I,
[INFO] [stdout] 82 |     ) -> MatrixReferenceIterator<T, ROWS, COLUMNS, I> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ) -> MatrixReferenceIterator<'_, T, ROWS, COLUMNS, I> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vector/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 77 |         row_iterator: I,
[INFO] [stdout] 78 |     ) -> VectorReferenceIterator<T, ROWS, I> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ) -> VectorReferenceIterator<'_, T, ROWS, I> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "00099f57364a21518be7ba7d1e964f1b4f653a1ad9c838124ebbc1d57787b722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00099f57364a21518be7ba7d1e964f1b4f653a1ad9c838124ebbc1d57787b722", kill_on_drop: false }`
[INFO] [stdout] 00099f57364a21518be7ba7d1e964f1b4f653a1ad9c838124ebbc1d57787b722
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 071359969a51db11e3b6ef0c18f6e004a4c59bd6b3bc9e4ceea962d26462c666
[INFO] running `Command { std: "docker" "start" "-a" "071359969a51db11e3b6ef0c18f6e004a4c59bd6b3bc9e4ceea962d26462c666", kill_on_drop: false }`
[INFO] [stderr]    Compiling skeid v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/matrix/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 81 |         coordinate_iterator: I,
[INFO] [stdout] 82 |     ) -> MatrixReferenceIterator<T, ROWS, COLUMNS, I> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ) -> MatrixReferenceIterator<'_, T, ROWS, COLUMNS, I> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vector/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 77 |         row_iterator: I,
[INFO] [stdout] 78 |     ) -> VectorReferenceIterator<T, ROWS, I> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ) -> VectorReferenceIterator<'_, T, ROWS, I> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/matrix/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 81 |         coordinate_iterator: I,
[INFO] [stdout] 82 |     ) -> MatrixReferenceIterator<T, ROWS, COLUMNS, I> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ) -> MatrixReferenceIterator<'_, T, ROWS, COLUMNS, I> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vector/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 77 |         row_iterator: I,
[INFO] [stdout] 78 |     ) -> VectorReferenceIterator<T, ROWS, I> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ) -> VectorReferenceIterator<'_, T, ROWS, I> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "071359969a51db11e3b6ef0c18f6e004a4c59bd6b3bc9e4ceea962d26462c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071359969a51db11e3b6ef0c18f6e004a4c59bd6b3bc9e4ceea962d26462c666", kill_on_drop: false }`
[INFO] [stdout] 071359969a51db11e3b6ef0c18f6e004a4c59bd6b3bc9e4ceea962d26462c666
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fd7b9f5cb66ab8eac5ccb6f710271cfb352191052fdeb1b48bd0e90e5efc3e3
[INFO] running `Command { std: "docker" "start" "-a" "4fd7b9f5cb66ab8eac5ccb6f710271cfb352191052fdeb1b48bd0e90e5efc3e3", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/matrix/mod.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         &self,
[INFO] [stderr]    |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 81 |         coordinate_iterator: I,
[INFO] [stderr] 82 |     ) -> MatrixReferenceIterator<T, ROWS, COLUMNS, I> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 82 |     ) -> MatrixReferenceIterator<'_, T, ROWS, COLUMNS, I> {
[INFO] [stderr]    |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/vector/mod.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         &self,
[INFO] [stderr]    |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 77 |         row_iterator: I,
[INFO] [stderr] 78 |     ) -> VectorReferenceIterator<T, ROWS, I> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 78 |     ) -> VectorReferenceIterator<'_, T, ROWS, I> {
[INFO] [stderr]    |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `skeid` (lib) generated 2 warnings (run `cargo fix --lib -p skeid` to apply 2 suggestions)
[INFO] [stderr] warning: `skeid` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skeid-4525845f9a92eb7b)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test matrix::add::commutative_law ... ok
[INFO] [stdout] test matrix::add::associative_law ... ok
[INFO] [stdout] test matrix::add::known_sum ... ok
[INFO] [stdout] test matrix::index::indexes_correct_column ... ok
[INFO] [stdout] test matrix::index::indexes_correct_row ... ok
[INFO] [stdout] test matrix::index::indexes_correct_element ... ok
[INFO] [stdout] test matrix::iterator::matrix_area_iterator_reversed_order ... ok
[INFO] [stdout] test matrix::iterator::matrix_area_iterator_order ... ok
[INFO] [stdout] test matrix::iterator::matrix_area_iterator_reversed_with_non_zero_start ... ok
[INFO] [stdout] test matrix::iterator::matrix_area_iterator_with_non_zero_start ... ok
[INFO] [stdout] test matrix::matrix_multiply::associative_law ... ok
[INFO] [stdout] test matrix::matrix_multiply::distributive_law ... ok
[INFO] [stdout] test matrix::matrix_multiply::known_product ... ok
[INFO] [stdout] test matrix::matrix_multiply::product_rule_for_matrix_transpose ... ok
[INFO] [stdout] test matrix::matrix_multiply::scalar_factorization ... ok
[INFO] [stdout] test matrix::neg::negate_mixed ... ok
[INFO] [stdout] test matrix::neg::negate_negative ... ok
[INFO] [stdout] test matrix::neg::negate_positive ... ok
[INFO] [stdout] test matrix::neg::negate_zero ... ok
[INFO] [stdout] test matrix::scalar_multiply::distributive_law ... ok
[INFO] [stdout] test matrix::scalar_multiply::known_product ... ok
[INFO] [stdout] test matrix::scalar_multiply::associative_law ... ok
[INFO] [stdout] test vector::cross::anticommutativity ... ok
[INFO] [stdout] test vector::add::associative_law ... ok
[INFO] [stdout] test vector::add::commutative_law ... ok
[INFO] [stdout] test vector::cross::distributive_law_over_addition ... ok
[INFO] [stdout] test vector::cross::lagrange_identity ... ok
[INFO] [stdout] test vector::cross::sum_of_two_cross_products_identity ... ok
[INFO] [stdout] test vector::cross::jacobi_identity ... ok
[INFO] [stdout] test vector::cross::self_cross ... ok
[INFO] [stdout] test vector::dot::distributive_law ... ok
[INFO] [stdout] test vector::cross::scalar_factorization ... ok
[INFO] [stdout] test vector::cross::vector_triple_product ... ok
[INFO] [stdout] test vector::dot::scalar_factorization ... ok
[INFO] [stdout] test vector::neg::negate_negative ... ok
[INFO] [stdout] test vector::neg::negate_positive ... ok
[INFO] [stdout] test vector::neg::negate_mixed ... ok
[INFO] [stdout] test vector::scalar_multiply::associative_law ... ok
[INFO] [stdout] test vector::dot::commutative_law ... ok
[INFO] [stdout] test vector::scalar_multiply::distributive_law ... ok
[INFO] [stdout] test vector::neg::negate_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skeid
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fd7b9f5cb66ab8eac5ccb6f710271cfb352191052fdeb1b48bd0e90e5efc3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd7b9f5cb66ab8eac5ccb6f710271cfb352191052fdeb1b48bd0e90e5efc3e3", kill_on_drop: false }`
[INFO] [stdout] 4fd7b9f5cb66ab8eac5ccb6f710271cfb352191052fdeb1b48bd0e90e5efc3e3