[INFO] fetching crate xdbuf 0.3.0...
[INFO] testing xdbuf-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate xdbuf 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xdbuf 0.3.0
[INFO] finished tweaking crates.io crate xdbuf 0.3.0
[INFO] tweaked toml for crates.io crate xdbuf 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xdbuf 0.3.0 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 1 package to latest compatible version
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eaaa1f3ff5d2bfc192538970eb0db39c996f705f635be405c384e653147e09f
[INFO] running `Command { std: "docker" "start" "-a" "0eaaa1f3ff5d2bfc192538970eb0db39c996f705f635be405c384e653147e09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eaaa1f3ff5d2bfc192538970eb0db39c996f705f635be405c384e653147e09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eaaa1f3ff5d2bfc192538970eb0db39c996f705f635be405c384e653147e09f", kill_on_drop: false }`
[INFO] [stdout] 0eaaa1f3ff5d2bfc192538970eb0db39c996f705f635be405c384e653147e09f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b92813d501406ec3c76d88e56c2a78f1199dd6c52176baa55613ee0f1ea45d
[INFO] running `Command { std: "docker" "start" "-a" "60b92813d501406ec3c76d88e56c2a78f1199dd6c52176baa55613ee0f1ea45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling xdbuf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/xdbuf.rs:425:26
[INFO] [stdout]     |
[INFO] [stdout] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<T, D>, anyhow::Error> {
[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] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/xdbuf.rs:454:26
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<T, D>, anyhow::Error> {
[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] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "60b92813d501406ec3c76d88e56c2a78f1199dd6c52176baa55613ee0f1ea45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b92813d501406ec3c76d88e56c2a78f1199dd6c52176baa55613ee0f1ea45d", kill_on_drop: false }`
[INFO] [stdout] 60b92813d501406ec3c76d88e56c2a78f1199dd6c52176baa55613ee0f1ea45d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357cb5d7e53ecbb2f161a64aa0b4dad1ba219ef6d24848c81417fab8280a4661
[INFO] running `Command { std: "docker" "start" "-a" "357cb5d7e53ecbb2f161a64aa0b4dad1ba219ef6d24848c81417fab8280a4661", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/xdbuf.rs:425:26
[INFO] [stdout]     |
[INFO] [stdout] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<T, D>, anyhow::Error> {
[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] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/xdbuf.rs:454:26
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<T, D>, anyhow::Error> {
[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] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xdbuf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/xdbuf.rs:425:26
[INFO] [stdout]     |
[INFO] [stdout] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<T, D>, anyhow::Error> {
[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] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/xdbuf.rs:454:26
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<T, D>, anyhow::Error> {
[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] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "357cb5d7e53ecbb2f161a64aa0b4dad1ba219ef6d24848c81417fab8280a4661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357cb5d7e53ecbb2f161a64aa0b4dad1ba219ef6d24848c81417fab8280a4661", kill_on_drop: false }`
[INFO] [stdout] 357cb5d7e53ecbb2f161a64aa0b4dad1ba219ef6d24848c81417fab8280a4661
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53b9dad52cde0fb89facb641a3670bcc28637062ba9ff4e8ec4de9b5d8632afd
[INFO] running `Command { std: "docker" "start" "-a" "53b9dad52cde0fb89facb641a3670bcc28637062ba9ff4e8ec4de9b5d8632afd", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/xdbuf.rs:425:26
[INFO] [stderr]     |
[INFO] [stderr] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<T, D>, anyhow::Error> {
[INFO] [stderr]     |                          ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^ 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] 425 |     pub fn walker_from_m(&self, index: [usize; D]) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/xdbuf.rs:454:26
[INFO] [stderr]     |
[INFO] [stderr] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<T, D>, anyhow::Error> {
[INFO] [stderr]     |                          ^^^^^ the lifetime is elided here     ^^^^^^^^^^^^ 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] 454 |     pub fn walker_from_s(&self, scalar_index: usize) -> Result<Walker<'_, T, D>, anyhow::Error> {
[INFO] [stderr]     |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `xdbuf` (lib) generated 2 warnings (run `cargo fix --lib -p xdbuf` to apply 2 suggestions)
[INFO] [stderr] warning: `xdbuf` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xdbuf-c5261303e856cfe1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test walker::test::_index_method_dose_not_overflow ... ok
[INFO] [stdout] test walker::test::_index_method_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xdbuf
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::into_prev (line 342) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::calc_total_size (line 106) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::as_ (line 96) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::calc_dim_stride (line 132) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::as_prev (line 311) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::as_until (line 429) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::into_next (line 239) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::into_until (line 459) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::prev_index (line 270) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::index_ (line 41) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::into_ (line 132) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::next_index (line 166) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::as_next (line 208) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::get (line 338) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::get_mut (line 367) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::index_until (line 388) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::init_with_vec (line 294) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::index_until (line 373) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::len (line 473) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::idx_range (line 489) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::init (line 254) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::new (line 169) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::stride (line 505) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::new_with_vec (line 217) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::init_with_vec (line 305) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::size (line 541) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::walker_from_m (line 419) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::shrink_to_fit (line 521) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::walker_from_s (line 445) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::new_with_vec (line 209) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::to_scalar_index (line 34) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::to_mul_dim_index (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53b9dad52cde0fb89facb641a3670bcc28637062ba9ff4e8ec4de9b5d8632afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b9dad52cde0fb89facb641a3670bcc28637062ba9ff4e8ec4de9b5d8632afd", kill_on_drop: false }`
[INFO] [stdout] 53b9dad52cde0fb89facb641a3670bcc28637062ba9ff4e8ec4de9b5d8632afd