[INFO] fetching crate slots 0.4.0...
[INFO] testing slots-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate slots 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate slots 0.4.0
[INFO] finished tweaking crates.io crate slots 0.4.0
[INFO] tweaked toml for crates.io crate slots 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slots 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f95412769ca5616a7cfa02011ecad0db4ddb6c95ab77afe35a5cabc9ee119ea
[INFO] running `Command { std: "docker" "start" "-a" "1f95412769ca5616a7cfa02011ecad0db4ddb6c95ab77afe35a5cabc9ee119ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f95412769ca5616a7cfa02011ecad0db4ddb6c95ab77afe35a5cabc9ee119ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f95412769ca5616a7cfa02011ecad0db4ddb6c95ab77afe35a5cabc9ee119ea", kill_on_drop: false }`
[INFO] [stdout] 1f95412769ca5616a7cfa02011ecad0db4ddb6c95ab77afe35a5cabc9ee119ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c895d7a8fbac4f0bfdae8dac9328ff57a2242f0a90040a1bda04c789b3cebe09
[INFO] running `Command { std: "docker" "start" "-a" "c895d7a8fbac4f0bfdae8dac9328ff57a2242f0a90040a1bda04c789b3cebe09", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling slots v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/slots.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stdout]     |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided 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] 196 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unrestricted.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stdout]    |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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] 95 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unrestricted.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn iter_mut(&mut self) -> IterMut<IT> {
[INFO] [stdout]     |                     ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided 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] 117 |     pub fn iter_mut(&mut self) -> IterMut<'_, IT> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c895d7a8fbac4f0bfdae8dac9328ff57a2242f0a90040a1bda04c789b3cebe09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c895d7a8fbac4f0bfdae8dac9328ff57a2242f0a90040a1bda04c789b3cebe09", kill_on_drop: false }`
[INFO] [stdout] c895d7a8fbac4f0bfdae8dac9328ff57a2242f0a90040a1bda04c789b3cebe09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4fc4e591ce72ac708f3d0b1d42c54d57d45506030aa1ff5430800e550f0ad9
[INFO] running `Command { std: "docker" "start" "-a" "5d4fc4e591ce72ac708f3d0b1d42c54d57d45506030aa1ff5430800e550f0ad9", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/slots.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stdout]     |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided 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] 196 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unrestricted.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stdout]    |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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] 95 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slots v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unrestricted.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn iter_mut(&mut self) -> IterMut<IT> {
[INFO] [stdout]     |                     ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided 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] 117 |     pub fn iter_mut(&mut self) -> IterMut<'_, IT> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/slots.rs:196:17
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stdout]     |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided 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] 196 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/unrestricted.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stdout]    |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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] 95 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/unrestricted.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn iter_mut(&mut self) -> IterMut<IT> {
[INFO] [stdout]     |                     ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided 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] 117 |     pub fn iter_mut(&mut self) -> IterMut<'_, IT> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "5d4fc4e591ce72ac708f3d0b1d42c54d57d45506030aa1ff5430800e550f0ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4fc4e591ce72ac708f3d0b1d42c54d57d45506030aa1ff5430800e550f0ad9", kill_on_drop: false }`
[INFO] [stdout] 5d4fc4e591ce72ac708f3d0b1d42c54d57d45506030aa1ff5430800e550f0ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 924239803f2f94f8817f1d7406fc835aa55aa143640c65ae332b1c3266764c1b
[INFO] running `Command { std: "docker" "start" "-a" "924239803f2f94f8817f1d7406fc835aa55aa143640c65ae332b1c3266764c1b", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/slots.rs:196:17
[INFO] [stderr]     |
[INFO] [stderr] 196 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stderr]     |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided 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] 196 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/unrestricted.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn iter(&self) -> Iter<IT> {
[INFO] [stderr]    |                 ^^^^^     -------- the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided 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] 95 |     pub fn iter(&self) -> Iter<'_, IT> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/unrestricted.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn iter_mut(&mut self) -> IterMut<IT> {
[INFO] [stderr]     |                     ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided 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] 117 |     pub fn iter_mut(&mut self) -> IterMut<'_, IT> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `slots` (lib) generated 3 warnings
[INFO] [stderr] warning: `slots` (lib test) generated 3 warnings (3 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/slots-50cebb771be071ef)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iterator::iter_test::sanity_check ... ok
[INFO] [stdout] test iterator::iter_test::test_mut ... 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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-537f1da562c8ca1d)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test capacity_and_count ... ok
[INFO] [stdout] test elements_can_be_modified_using_key ... ok
[INFO] [stdout] test is_compact - should panic ... FAILED
[INFO] [stdout] test cant_read_outside_bounds ... ok
[INFO] [stdout] test key_can_be_used_to_read_value ... ok
[INFO] [stdout] test size_can_be_1 ... ok
[INFO] [stdout] test trying_to_read_deleted_element_returns_none ... ok
[INFO] [stdout] test trying_to_read_missing_element_returns_none ... ok
[INFO] [stdout] test index_can_be_used_to_read_value ... ok
[INFO] [stdout] test store_returns_err_when_full ... ok
[INFO] [stdout] test zero_sized_collection ... ok
[INFO] [stdout] test use_across_slots_verify - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- is_compact stdout ----
[INFO] [stdout] note: test did not panic as expected at tests/test.rs:135:4
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     is_compact
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test test`
[INFO] running `Command { std: "docker" "inspect" "924239803f2f94f8817f1d7406fc835aa55aa143640c65ae332b1c3266764c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924239803f2f94f8817f1d7406fc835aa55aa143640c65ae332b1c3266764c1b", kill_on_drop: false }`
[INFO] [stdout] 924239803f2f94f8817f1d7406fc835aa55aa143640c65ae332b1c3266764c1b
