[INFO] fetching crate memur 0.3.4... [INFO] testing memur-0.3.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate memur 0.3.4 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate memur 0.3.4 [INFO] finished tweaking crates.io crate memur 0.3.4 [INFO] tweaked toml for crates.io crate memur 0.3.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate memur 0.3.4 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] crate crates.io crate memur 0.3.4 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" "+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] a7a7a2301c2a2f1624e730c587bbca5304f098e147cadecde86dfa19fae2b7e5 [INFO] running `Command { std: "docker" "start" "-a" "a7a7a2301c2a2f1624e730c587bbca5304f098e147cadecde86dfa19fae2b7e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7a7a2301c2a2f1624e730c587bbca5304f098e147cadecde86dfa19fae2b7e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7a7a2301c2a2f1624e730c587bbca5304f098e147cadecde86dfa19fae2b7e5", kill_on_drop: false }` [INFO] [stdout] a7a7a2301c2a2f1624e730c587bbca5304f098e147cadecde86dfa19fae2b7e5 [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] 16079f205032eae6bcc3407abd2104783de6fc032a2b763ca2473b490151248e [INFO] running `Command { std: "docker" "start" "-a" "16079f205032eae6bcc3407abd2104783de6fc032a2b763ca2473b490151248e", kill_on_drop: false }` [INFO] [stderr] Compiling memur v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/array.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn iter(&self) -> ArrayIter { [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] 173 | pub fn iter(&self) -> ArrayIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/array.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut { [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] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "16079f205032eae6bcc3407abd2104783de6fc032a2b763ca2473b490151248e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16079f205032eae6bcc3407abd2104783de6fc032a2b763ca2473b490151248e", kill_on_drop: false }` [INFO] [stdout] 16079f205032eae6bcc3407abd2104783de6fc032a2b763ca2473b490151248e [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] 10dfe99dbde3f57290f09ae3413da0c59e6d8cd72b0e875989f2f6787b22e597 [INFO] running `Command { std: "docker" "start" "-a" "10dfe99dbde3f57290f09ae3413da0c59e6d8cd72b0e875989f2f6787b22e597", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/array.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn iter(&self) -> ArrayIter { [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] 173 | pub fn iter(&self) -> ArrayIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/array.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut { [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] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memur v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/array.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn iter(&self) -> ArrayIter { [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] 173 | pub fn iter(&self) -> ArrayIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/array.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut { [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] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "10dfe99dbde3f57290f09ae3413da0c59e6d8cd72b0e875989f2f6787b22e597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10dfe99dbde3f57290f09ae3413da0c59e6d8cd72b0e875989f2f6787b22e597", kill_on_drop: false }` [INFO] [stdout] 10dfe99dbde3f57290f09ae3413da0c59e6d8cd72b0e875989f2f6787b22e597 [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] 8940043e8fdbd6a6a86304319805f80bc86e01755846451ab3c928ad9653fdb5 [INFO] running `Command { std: "docker" "start" "-a" "8940043e8fdbd6a6a86304319805f80bc86e01755846451ab3c928ad9653fdb5", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/array.rs:173:17 [INFO] [stderr] | [INFO] [stderr] 173 | pub fn iter(&self) -> ArrayIter { [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] 173 | pub fn iter(&self) -> ArrayIter<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/array.rs:183:21 [INFO] [stderr] | [INFO] [stderr] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut { [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] 183 | pub fn iter_mut(&mut self) -> ArrayIterMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `memur` (lib) generated 2 warnings (run `cargo fix --lib -p memur` to apply 2 suggestions) [INFO] [stderr] warning: `memur` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memur-bd51ff3a712fb55f) [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test arena::arena_tests::nested_objects_are_dropped_properly ... ok [INFO] [stdout] test array_fixed::array::has_items_when_iterating ... ok [INFO] [stdout] test array_fixed::array::has_items_when_iterating_items_i16_but_not_when_arena_is_dead ... ok [INFO] [stdout] test arena::arena_tests::value_can_not_be_used_when_arena_goes_out_of_scope ... ok [INFO] [stdout] test array::tests::test_from_iter_numbers ... ok [INFO] [stdout] test array::tests::test_push_pop ... ok [INFO] [stdout] test array_fixed::array::has_items_when_iterating_items_i16 ... ok [INFO] [stdout] test array_fixed::array::has_items_when_iterating_items_i8 ... ok [INFO] [stdout] test array_fixed::array::test_collect ... ok [INFO] [stdout] test array::tests::test_droppable_collect ... ok [INFO] [stdout] test array::tests::test_collect_array_ext ... ok [INFO] [stdout] test dropflag::dropflag ... ok [INFO] [stdout] test list::list_tests::simple_test ... ok [INFO] [stdout] test droplist::tests::droplist_chain ... ok [INFO] [stdout] test droplist::tests::droplist_single ... ok [INFO] [stdout] test list::list_tests::test_collect ... ok [INFO] [stdout] test list::list_tests::many_items_test ... ok [INFO] [stdout] test ustr::ustr_tests::test_str ... ok [INFO] [stdout] test ustr::ustr_tests::test_str_with_nul ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests memur [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 49) ... ok [INFO] [stdout] test src/lib.rs - (line 120) ... ok [INFO] [stdout] test src/lib.rs - (line 65) ... ok [INFO] [stdout] test src/lib.rs - (line 89) ... ok [INFO] [stdout] test src/lib.rs - (line 157) ... ok [INFO] [stdout] test src/lib.rs - (line 140) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8940043e8fdbd6a6a86304319805f80bc86e01755846451ab3c928ad9653fdb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8940043e8fdbd6a6a86304319805f80bc86e01755846451ab3c928ad9653fdb5", kill_on_drop: false }` [INFO] [stdout] 8940043e8fdbd6a6a86304319805f80bc86e01755846451ab3c928ad9653fdb5