[INFO] fetching crate skeid 0.21.0...
[INFO] building skeid-0.21.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate skeid 0.21.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate skeid 0.21.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3ea93860c60905d15b0c8b9879a86d4e65ff19409da7427baa3004ef0f79bdf
[INFO] running `Command { std: "docker" "start" "-a" "a3ea93860c60905d15b0c8b9879a86d4e65ff19409da7427baa3004ef0f79bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ea93860c60905d15b0c8b9879a86d4e65ff19409da7427baa3004ef0f79bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ea93860c60905d15b0c8b9879a86d4e65ff19409da7427baa3004ef0f79bdf", kill_on_drop: false }`
[INFO] [stdout] a3ea93860c60905d15b0c8b9879a86d4e65ff19409da7427baa3004ef0f79bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e9690e6d75962ab1852bf758a676d59066eea1378e5c3dba15ef12141ee31c
[INFO] running `Command { std: "docker" "start" "-a" "68e9690e6d75962ab1852bf758a676d59066eea1378e5c3dba15ef12141ee31c", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "68e9690e6d75962ab1852bf758a676d59066eea1378e5c3dba15ef12141ee31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e9690e6d75962ab1852bf758a676d59066eea1378e5c3dba15ef12141ee31c", kill_on_drop: false }`
[INFO] [stdout] 68e9690e6d75962ab1852bf758a676d59066eea1378e5c3dba15ef12141ee31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60f9bfac6e2ee88b3b0d55730f29b25357fe49bc18e46d7f06b4f939c1d94014
[INFO] running `Command { std: "docker" "start" "-a" "60f9bfac6e2ee88b3b0d55730f29b25357fe49bc18e46d7f06b4f939c1d94014", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "60f9bfac6e2ee88b3b0d55730f29b25357fe49bc18e46d7f06b4f939c1d94014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f9bfac6e2ee88b3b0d55730f29b25357fe49bc18e46d7f06b4f939c1d94014", kill_on_drop: false }`
[INFO] [stdout] 60f9bfac6e2ee88b3b0d55730f29b25357fe49bc18e46d7f06b4f939c1d94014