[INFO] fetching crate qip-iterators 1.4.0...
[INFO] testing qip-iterators-1.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate qip-iterators 1.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate qip-iterators 1.4.0
[INFO] finished tweaking crates.io crate qip-iterators 1.4.0
[INFO] tweaked toml for crates.io crate qip-iterators 1.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qip-iterators 1.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 135 packages to latest compatible versions
[INFO] [stderr]       Adding blas v0.22.0 (available: v0.23.0)
[INFO] [stderr]       Adding faer-core v0.8.0 (available: v0.17.1)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a398567997669e96a4030a81753cb3a122697a3b99afabacb77c225be3e720f
[INFO] running `Command { std: "docker" "start" "-a" "0a398567997669e96a4030a81753cb3a122697a3b99afabacb77c225be3e720f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a398567997669e96a4030a81753cb3a122697a3b99afabacb77c225be3e720f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a398567997669e96a4030a81753cb3a122697a3b99afabacb77c225be3e720f", kill_on_drop: false }`
[INFO] [stdout] 0a398567997669e96a4030a81753cb3a122697a3b99afabacb77c225be3e720f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceebec3c5c0cda47610922129bd643e1fc56eab826508fc9d5cfa94c884e587c
[INFO] running `Command { std: "docker" "start" "-a" "ceebec3c5c0cda47610922129bd643e1fc56eab826508fc9d5cfa94c884e587c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling qip-iterators v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/utils.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let leading_zeros = 8 * std::mem::size_of::<usize>() - n;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 21 -     let leading_zeros = 8 * std::mem::size_of::<usize>() - n;
[INFO] [stdout] 21 +     let leading_zeros = 8 * size_of::<usize>() - n;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qip-iterators` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iterators/qubit_iterators.rs:23:56
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(row: usize, n: usize, data: &'a [P]) -> MatrixOpIterator<P> {
[INFO] [stdout]    |                                             --         ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(row: usize, n: usize, data: &'a [P]) -> MatrixOpIterator<'a, P> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/iterators/qubit_iterators.rs:73:60
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(row: usize, data: &'a [Vec<(usize, P)>]) -> SparseMatrixOpIterator<P> {
[INFO] [stdout]    |                                   --                       ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(row: usize, data: &'a [Vec<(usize, P)>]) -> SparseMatrixOpIterator<'a, P> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ceebec3c5c0cda47610922129bd643e1fc56eab826508fc9d5cfa94c884e587c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceebec3c5c0cda47610922129bd643e1fc56eab826508fc9d5cfa94c884e587c", kill_on_drop: false }`
[INFO] [stdout] ceebec3c5c0cda47610922129bd643e1fc56eab826508fc9d5cfa94c884e587c
