[INFO] fetching crate mathru 0.16.2...
[INFO] checking mathru-0.16.2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate mathru 0.16.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mathru 0.16.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mathru 0.16.2
[INFO] tweaked toml for crates.io crate mathru 0.16.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathru 0.16.2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mathru 0.16.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 808df2ee509d9b8a897dc7152d3dd042071588c328277f58bfb96a268b1a6fcc
[INFO] running `Command { std: "docker" "start" "-a" "808df2ee509d9b8a897dc7152d3dd042071588c328277f58bfb96a268b1a6fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808df2ee509d9b8a897dc7152d3dd042071588c328277f58bfb96a268b1a6fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808df2ee509d9b8a897dc7152d3dd042071588c328277f58bfb96a268b1a6fcc", kill_on_drop: false }`
[INFO] [stdout] 808df2ee509d9b8a897dc7152d3dd042071588c328277f58bfb96a268b1a6fcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7202abc5dfb761da1713e36f6cae4afa77c6dfd15c5610a6493d3dd8899fa75c
[INFO] running `Command { std: "docker" "start" "-a" "7202abc5dfb761da1713e36f6cae4afa77c6dfd15c5610a6493d3dd8899fa75c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking bytemuck v1.14.3
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[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking mathru v0.16.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> benches/algebra/linear/matrix/general/matrixcolumniterator.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |         fn column_iter(&self, column: usize, rows: usize) -> MatrixColumnIterator<T>;
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^^^^^^^ 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] 112 |         fn column_iter(&self, column: usize, rows: usize) -> MatrixColumnIterator<'_, T>;
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> benches/algebra/linear/matrix/general/matrixcolumniterator.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |         fn column_iter(&self, column: usize, rows: usize) -> MatrixColumnIterator<T> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here     ^^^^^^^^^^^^^^^^^^^^^^^ 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] 116 |         fn column_iter(&self, column: usize, rows: usize) -> MatrixColumnIterator<'_, T> {
[INFO] [stdout]     |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.92s
[INFO] running `Command { std: "docker" "inspect" "7202abc5dfb761da1713e36f6cae4afa77c6dfd15c5610a6493d3dd8899fa75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7202abc5dfb761da1713e36f6cae4afa77c6dfd15c5610a6493d3dd8899fa75c", kill_on_drop: false }`
[INFO] [stdout] 7202abc5dfb761da1713e36f6cae4afa77c6dfd15c5610a6493d3dd8899fa75c
