[INFO] fetching crate dark-std 0.2.16...
[INFO] testing dark-std-0.2.16 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate dark-std 0.2.16 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dark-std 0.2.16 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 403dc8eae0f42549d004f432cdcbb4ec0ac7b9b93ce2562c9049287a157300d3
[INFO] running `Command { std: "docker" "start" "-a" "403dc8eae0f42549d004f432cdcbb4ec0ac7b9b93ce2562c9049287a157300d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "403dc8eae0f42549d004f432cdcbb4ec0ac7b9b93ce2562c9049287a157300d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403dc8eae0f42549d004f432cdcbb4ec0ac7b9b93ce2562c9049287a157300d3", kill_on_drop: false }`
[INFO] [stdout] 403dc8eae0f42549d004f432cdcbb4ec0ac7b9b93ce2562c9049287a157300d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2bc31377b9d75eb24c6d8d8cb2a53f5fe846abd9bfa3938e9232b74e91df036e
[INFO] running `Command { std: "docker" "start" "-a" "2bc31377b9d75eb24c6d8d8cb2a53f5fe846abd9bfa3938e9232b74e91df036e", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling dark-std v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "2bc31377b9d75eb24c6d8d8cb2a53f5fe846abd9bfa3938e9232b74e91df036e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc31377b9d75eb24c6d8d8cb2a53f5fe846abd9bfa3938e9232b74e91df036e", kill_on_drop: false }`
[INFO] [stdout] 2bc31377b9d75eb24c6d8d8cb2a53f5fe846abd9bfa3938e9232b74e91df036e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c23f94638029a175fcf2ad840c6926d72d374b2b5f67f7600788ddda10bbe7ad
[INFO] running `Command { std: "docker" "start" "-a" "c23f94638029a175fcf2ad840c6926d72d374b2b5f67f7600788ddda10bbe7ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam v0.8.4
[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 3.47s
[INFO] running `Command { std: "docker" "inspect" "c23f94638029a175fcf2ad840c6926d72d374b2b5f67f7600788ddda10bbe7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23f94638029a175fcf2ad840c6926d72d374b2b5f67f7600788ddda10bbe7ad", kill_on_drop: false }`
[INFO] [stdout] c23f94638029a175fcf2ad840c6926d72d374b2b5f67f7600788ddda10bbe7ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3d351c15f74b3a0ba1078588d6004d2417951c1bd982663fcd4e5036076285d6
[INFO] running `Command { std: "docker" "start" "-a" "3d351c15f74b3a0ba1078588d6004d2417951c1bd982663fcd4e5036076285d6", 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"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/dark_std-5788275596596983)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test defer::test::test_defer ... ok
[INFO] [stdout] test errors::test::test_error ... 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/btree.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/btree-0116642d880ac2ac)
[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_insert ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_iter ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/defer.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/defer-d2f602ad18a9cf24)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_defer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hash_map.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hash_map-f5837f9f1cfbb23b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_get_mut_not_eq_key ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_get_mut ... 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 18.53s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/index_map.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/index_map-bf712f59430b2ad9)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_insert2 ... 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 19.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_wg.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test_wg-6620e8b841450f7f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_wg_zero ... ok
[INFO] [stdout] test test_wg ... ok
[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] [stderr]      Running tests/vec.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/vec-c79e0343d27fe428)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_macro2 ... 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_iter ... ok
[INFO] [stdout] test test_iter_mut ... 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 14.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d351c15f74b3a0ba1078588d6004d2417951c1bd982663fcd4e5036076285d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d351c15f74b3a0ba1078588d6004d2417951c1bd982663fcd4e5036076285d6", kill_on_drop: false }`
[INFO] [stdout] 3d351c15f74b3a0ba1078588d6004d2417951c1bd982663fcd4e5036076285d6