[INFO] fetching crate dark-std 0.2.16...
[INFO] testing dark-std-0.2.16 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dark-std 0.2.16 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate dark-std 0.2.16
[INFO] finished tweaking crates.io crate dark-std 0.2.16
[INFO] tweaked toml for crates.io crate dark-std 0.2.16 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dark-std 0.2.16 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b7d9fabfed18ac6415c0c46bbbefaa128d044dfec5292d61f5e29d13e4908f0
[INFO] running `Command { std: "docker" "start" "-a" "4b7d9fabfed18ac6415c0c46bbbefaa128d044dfec5292d61f5e29d13e4908f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b7d9fabfed18ac6415c0c46bbbefaa128d044dfec5292d61f5e29d13e4908f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7d9fabfed18ac6415c0c46bbbefaa128d044dfec5292d61f5e29d13e4908f0", kill_on_drop: false }`
[INFO] [stdout] 4b7d9fabfed18ac6415c0c46bbbefaa128d044dfec5292d61f5e29d13e4908f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cee0e5c823fb944bc22a74e66a838009c7c3d04e13b0c56bcca86d6966d162c
[INFO] running `Command { std: "docker" "start" "-a" "6cee0e5c823fb944bc22a74e66a838009c7c3d04e13b0c56bcca86d6966d162c", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dark-std v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "6cee0e5c823fb944bc22a74e66a838009c7c3d04e13b0c56bcca86d6966d162c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cee0e5c823fb944bc22a74e66a838009c7c3d04e13b0c56bcca86d6966d162c", kill_on_drop: false }`
[INFO] [stdout] 6cee0e5c823fb944bc22a74e66a838009c7c3d04e13b0c56bcca86d6966d162c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad2a36401c36f9cd40651f6d4e2101013d86f2a023946f5b184ac3b5aea1d33d
[INFO] running `Command { std: "docker" "start" "-a" "ad2a36401c36f9cd40651f6d4e2101013d86f2a023946f5b184ac3b5aea1d33d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling dark-std v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> tests/btree.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |     assert_eq!(2, *g.deref());
[INFO] [stdout]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.63s
[INFO] running `Command { std: "docker" "inspect" "ad2a36401c36f9cd40651f6d4e2101013d86f2a023946f5b184ac3b5aea1d33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2a36401c36f9cd40651f6d4e2101013d86f2a023946f5b184ac3b5aea1d33d", kill_on_drop: false }`
[INFO] [stdout] ad2a36401c36f9cd40651f6d4e2101013d86f2a023946f5b184ac3b5aea1d33d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36b915ae79604e436d693fdccca2ac00b90f84089596b32528057b7ae18493a7
[INFO] running `Command { std: "docker" "start" "-a" "36b915ae79604e436d693fdccca2ac00b90f84089596b32528057b7ae18493a7", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stderr]   --> tests/btree.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |     assert_eq!(2, *g.deref());
[INFO] [stderr]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dark-std` (test "btree") generated 1 warning (run `cargo fix --test "btree" -p dark-std` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dark_std-dc456203f4e7cf19)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test errors::test::test_error ... ok
[INFO] [stderr]      Running tests/btree.rs (/opt/rustwide/target/debug/deps/btree-7470020db25344e0)
[INFO] [stdout] test defer::test::test_defer ... 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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_get_mut_not_eq_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/defer.rs (/opt/rustwide/target/debug/deps/defer-487380bd8781552c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_defer ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hash_map.rs (/opt/rustwide/target/debug/deps/hash_map-98f48a4b78fb8132)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_get_mut_not_eq_key ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 18.16s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/index_map.rs (/opt/rustwide/target/debug/deps/index_map-de8f160aeb027f67)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 19.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_wg.rs (/opt/rustwide/target/debug/deps/test_wg-3a53e18e6d1fa580)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_wg_zero ... ok
[INFO] [stdout] test test_wg ... ok
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-6bcdbe70f9b42559)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_macro2 ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_macro3 ... ok
[INFO] [stdout] test test_push ... ok
[INFO] [stdout] test test_push2 ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.80s
[INFO] [stderr]    Doc-tests dark_std
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/defer/mod.rs - defer::defer (line 16) ... ok
[INFO] [stdout] test src/sync/map_btree.rs - sync::map_btree::SyncBtreeMap<K,V>::get (line 150) ... ok
[INFO] [stdout] test src/sync/map_hash.rs - sync::map_hash::SyncHashMap<K,V>::get (line 147) ... ok
[INFO] [stdout] test src/sync/map_index.rs - sync::map_index::SyncIndexMap<K,V>::get (line 146) ... ok
[INFO] [stdout] test src/sync/wg.rs - sync::wg::WaitGroup (line 25) ... ok
[INFO] [stdout] test src/sync/wg.rs - sync::wg::WaitGroup (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36b915ae79604e436d693fdccca2ac00b90f84089596b32528057b7ae18493a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b915ae79604e436d693fdccca2ac00b90f84089596b32528057b7ae18493a7", kill_on_drop: false }`
[INFO] [stdout] 36b915ae79604e436d693fdccca2ac00b90f84089596b32528057b7ae18493a7