[INFO] fetching crate repr-rs 0.4.0...
[INFO] testing repr-rs-0.4.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate repr-rs 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate repr-rs 0.4.0
[INFO] finished tweaking crates.io crate repr-rs 0.4.0
[INFO] tweaked toml for crates.io crate repr-rs 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate repr-rs 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to highest compatible versions
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c
[INFO] running `Command { std: "docker" "start" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling repr-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/repr.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 99 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache/mod.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 121 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling smallvec v1.16.2
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling repr-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/repr.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 99 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache/mod.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 121 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.2
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/repr.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 99 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache/mod.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 121 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 41.35s
[INFO] running `Command { std: "docker" "inspect" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/repr.rs:99:15
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 99 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/cache/mod.rs:121:15
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn write(&mut self) -> ReprMutator<T, I> {
[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] 121 |     pub fn write(&mut self) -> ReprMutator<'_, T, I> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `repr-rs` (lib) generated 2 warnings (run `cargo fix --lib -p repr-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `repr-rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/repr_rs-81b82a42979142d9)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::allowed_mutation ... ok
[INFO] [stdout] test tests::reading ... ok
[INFO] [stdout] test tests::reading_as_ref ... ok
[INFO] [stdout] test tests::should_be_moveable_across_threads ... ok
[INFO] [stdout] test tests::should_invalidate_cache_on_mutation ... ok
[INFO] [stdout] test tests::should_hash_by_inner ... ok
[INFO] [stdout] test tests::should_allow_static_closures_for_cache_reads ... ok
[INFO] [stdout] test tests::should_read_from_cache ... ok
[INFO] [stdout] test tests::should_be_moveable_across_tasks ... ok
[INFO] [stdout] test tests::should_work_with_borrowed_data ... ok
[INFO] [stdout] test tests::should_work_with_shared_ownership_and_rwlock ... ok
[INFO] [stdout] test tests::should_be_shareable_across_threads ... ok
[INFO] [stdout] test tests::banned_mutation - should panic ... ok
[INFO] [stdout] test tests::should_propagate_panic - should panic ... ok
[INFO] [stdout] test tests::banned_mutation_with_msg - should panic ... ok
[INFO] [stdout] test tests::should_try_to_detect_non_deterministic_invariants - should panic ... ok
[INFO] [stdout] test tests::should_work_with_borrowed_data_doing_a_bad_mutation - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests repr_rs
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::write (line 107) - compile fail ... ok
[INFO] [stdout] test src/repr.rs - repr::Repr<T,I>::into_inner (line 106) ... ok
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::new (line 36) ... ok
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::read (line 73) ... ok
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::write (line 89) ... ok
[INFO] [stdout] test src/repr.rs - repr::Repr<T,I>::new (line 16) ... ok
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::with_msg (line 54) ... ok
[INFO] [stdout] test src/repr.rs - repr::Repr<T,I>::write (line 85) - compile fail ... ok
[INFO] [stdout] test src/repr.rs - repr::Repr<T,I>::read (line 51) ... ok
[INFO] [stdout] test src/repr.rs - repr::Repr<T,I>::with_msg (line 33) ... ok
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::into_inner (line 128) ... ok
[INFO] [stdout] test src/cache/mod.rs - cache::CacheableRepr<T,I>::lazy (line 144) ... ok
[INFO] [stdout] test src/repr.rs - repr::Repr<T,I>::write (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c", kill_on_drop: false }`
[INFO] [stdout] 966d14a740e1fd514406258eea403b0c3d97a7fc7b26d82de97c113d622c0a1c
