[INFO] fetching crate memur 0.3.4... [INFO] testing memur-0.3.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate memur 0.3.4 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate memur 0.3.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5518fb29bddb96624f53995b7a0fc287497aa8f20d347a94186dbf9b189989a [INFO] running `Command { std: "docker" "start" "-a" "a5518fb29bddb96624f53995b7a0fc287497aa8f20d347a94186dbf9b189989a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5518fb29bddb96624f53995b7a0fc287497aa8f20d347a94186dbf9b189989a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5518fb29bddb96624f53995b7a0fc287497aa8f20d347a94186dbf9b189989a", kill_on_drop: false }` [INFO] [stdout] a5518fb29bddb96624f53995b7a0fc287497aa8f20d347a94186dbf9b189989a [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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 871a1a4caf3c5ce16b0baccb77734f955014b72798797522d1e96458b3abd77f [INFO] running `Command { std: "docker" "start" "-a" "871a1a4caf3c5ce16b0baccb77734f955014b72798797522d1e96458b3abd77f", 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 0.41s [INFO] running `Command { std: "docker" "inspect" "871a1a4caf3c5ce16b0baccb77734f955014b72798797522d1e96458b3abd77f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "871a1a4caf3c5ce16b0baccb77734f955014b72798797522d1e96458b3abd77f", kill_on_drop: false }` [INFO] [stdout] 871a1a4caf3c5ce16b0baccb77734f955014b72798797522d1e96458b3abd77f [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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2717577668f6ba234958ad79c4511a29af1f00debcf8fab07c0a7c47e482f485 [INFO] running `Command { std: "docker" "start" "-a" "2717577668f6ba234958ad79c4511a29af1f00debcf8fab07c0a7c47e482f485", 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 0.80s [INFO] running `Command { std: "docker" "inspect" "2717577668f6ba234958ad79c4511a29af1f00debcf8fab07c0a7c47e482f485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2717577668f6ba234958ad79c4511a29af1f00debcf8fab07c0a7c47e482f485", kill_on_drop: false }` [INFO] [stdout] 2717577668f6ba234958ad79c4511a29af1f00debcf8fab07c0a7c47e482f485 [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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 74015a0b101eaee7f0c1b47014dcbad26dec311a233a234a2f1e947d222e2ec2 [INFO] running `Command { std: "docker" "start" "-a" "74015a0b101eaee7f0c1b47014dcbad26dec311a233a234a2f1e947d222e2ec2", 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] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memur-bd51ff3a712fb55f) [INFO] [stdout] running 19 tests [INFO] [stdout] test arena::arena_tests::value_can_not_be_used_when_arena_goes_out_of_scope ... ok [INFO] [stdout] test array::tests::test_droppable_collect ... ok [INFO] [stdout] test array::tests::test_push_pop ... ok [INFO] [stdout] test array_fixed::array::has_items_when_iterating_items_i16_but_not_when_arena_is_dead ... ok [INFO] [stdout] test array_fixed::array::has_items_when_iterating ... ok [INFO] [stdout] test array::tests::test_from_iter_numbers ... ok [INFO] [stdout] test array::tests::test_collect_array_ext ... ok [INFO] [stdout] test arena::arena_tests::nested_objects_are_dropped_properly ... 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 dropflag::dropflag ... ok [INFO] [stdout] test droplist::tests::droplist_single ... ok [INFO] [stdout] test array_fixed::array::test_collect ... ok [INFO] [stdout] test ustr::ustr_tests::test_str_with_nul ... ok [INFO] [stdout] test ustr::ustr_tests::test_str ... ok [INFO] [stdout] test list::list_tests::simple_test ... ok [INFO] [stdout] test list::list_tests::many_items_test ... ok [INFO] [stdout] test droplist::tests::droplist_chain ... ok [INFO] [stdout] test list::list_tests::test_collect ... 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 157) ... ok [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 89) ... ok [INFO] [stdout] test src/lib.rs - (line 140) ... ok [INFO] [stdout] test src/lib.rs - (line 65) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "74015a0b101eaee7f0c1b47014dcbad26dec311a233a234a2f1e947d222e2ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74015a0b101eaee7f0c1b47014dcbad26dec311a233a234a2f1e947d222e2ec2", kill_on_drop: false }` [INFO] [stdout] 74015a0b101eaee7f0c1b47014dcbad26dec311a233a234a2f1e947d222e2ec2