[INFO] fetching crate xdbuf 0.3.0...
[INFO] testing xdbuf-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate xdbuf 0.3.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xdbuf 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9f9d21f1b8bdc8100571a8d1dac29a95c56e4eafbfa4fc8193462585c54218dc
[INFO] running `Command { std: "docker" "start" "-a" "9f9d21f1b8bdc8100571a8d1dac29a95c56e4eafbfa4fc8193462585c54218dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f9d21f1b8bdc8100571a8d1dac29a95c56e4eafbfa4fc8193462585c54218dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9d21f1b8bdc8100571a8d1dac29a95c56e4eafbfa4fc8193462585c54218dc", kill_on_drop: false }`
[INFO] [stdout] 9f9d21f1b8bdc8100571a8d1dac29a95c56e4eafbfa4fc8193462585c54218dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0b1e37329869040cd4e39c22fab2e1fe4922c5f1d3486b0111c15ac6ce3e227a
[INFO] running `Command { std: "docker" "start" "-a" "0b1e37329869040cd4e39c22fab2e1fe4922c5f1d3486b0111c15ac6ce3e227a", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "0b1e37329869040cd4e39c22fab2e1fe4922c5f1d3486b0111c15ac6ce3e227a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1e37329869040cd4e39c22fab2e1fe4922c5f1d3486b0111c15ac6ce3e227a", kill_on_drop: false }`
[INFO] [stdout] 0b1e37329869040cd4e39c22fab2e1fe4922c5f1d3486b0111c15ac6ce3e227a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d0331931ece8483a3fc02250192ee7ee24b34628128d1fa2fbacfe45c7373d7a
[INFO] running `Command { std: "docker" "start" "-a" "d0331931ece8483a3fc02250192ee7ee24b34628128d1fa2fbacfe45c7373d7a", 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 0.72s
[INFO] running `Command { std: "docker" "inspect" "d0331931ece8483a3fc02250192ee7ee24b34628128d1fa2fbacfe45c7373d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0331931ece8483a3fc02250192ee7ee24b34628128d1fa2fbacfe45c7373d7a", kill_on_drop: false }`
[INFO] [stdout] d0331931ece8483a3fc02250192ee7ee24b34628128d1fa2fbacfe45c7373d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c4f75e2a956e7f029f8d7dcfc498290b47e0f04ab4ac7681291d9c64fde186f5
[INFO] running `Command { std: "docker" "start" "-a" "c4f75e2a956e7f029f8d7dcfc498290b47e0f04ab4ac7681291d9c64fde186f5", 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xdbuf-c2c18a44b035ec81)
[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>::as_prev (line 311) ... 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>::calc_dim_stride (line 132) ... 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_ (line 132) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::as_ (line 96) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::index_ (line 41) ... 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>::calc_total_size (line 106) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::into_prev (line 342) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::index_until (line 388) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::index_until (line 373) ... 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/xdbuf.rs - xdbuf::XDBuf<T,D>::get_mut (line 367) ... ok
[INFO] [stdout] test src/walker.rs - walker::Walker<'a,T,D>::next_index (line 166) ... 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>::init (line 254) ... 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>::init_with_vec (line 305) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::init_with_vec (line 294) ... 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>::size (line 541) ... 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>::idx_range (line 489) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::to_mul_dim_index (line 60) ... 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>::new_with_vec (line 209) ... 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>::walker_from_s (line 445) ... ok
[INFO] [stdout] test src/xdbuf.rs - xdbuf::XDBuf<T,D>::walker_from_m (line 419) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4f75e2a956e7f029f8d7dcfc498290b47e0f04ab4ac7681291d9c64fde186f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f75e2a956e7f029f8d7dcfc498290b47e0f04ab4ac7681291d9c64fde186f5", kill_on_drop: false }`
[INFO] [stdout] c4f75e2a956e7f029f8d7dcfc498290b47e0f04ab4ac7681291d9c64fde186f5