[INFO] fetching crate slab 0.4.10...
[INFO] testing slab-0.4.10 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate slab 0.4.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate slab 0.4.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slab 0.4.10
[INFO] tweaked toml for crates.io crate slab 0.4.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slab 0.4.10 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]     Updating crates.io index
[INFO] [stderr]      Locking 7 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e3796f361d55f4c6ad725fc17d34ca77b2d6b8d49f045355713e5569b9228d6f
[INFO] running `Command { std: "docker" "start" "-a" "e3796f361d55f4c6ad725fc17d34ca77b2d6b8d49f045355713e5569b9228d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3796f361d55f4c6ad725fc17d34ca77b2d6b8d49f045355713e5569b9228d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3796f361d55f4c6ad725fc17d34ca77b2d6b8d49f045355713e5569b9228d6f", kill_on_drop: false }`
[INFO] [stdout] e3796f361d55f4c6ad725fc17d34ca77b2d6b8d49f045355713e5569b9228d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93525d24185737d50e312487a78abd120c706c448b976b3158756e08d2c92a6b
[INFO] running `Command { std: "docker" "start" "-a" "93525d24185737d50e312487a78abd120c706c448b976b3158756e08d2c92a6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "93525d24185737d50e312487a78abd120c706c448b976b3158756e08d2c92a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93525d24185737d50e312487a78abd120c706c448b976b3158756e08d2c92a6b", kill_on_drop: false }`
[INFO] [stdout] 93525d24185737d50e312487a78abd120c706c448b976b3158756e08d2c92a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 998372bac1e6a31cdfbf5fa9272a6a8ef5d62ed28de2b7dac072062301990a40
[INFO] running `Command { std: "docker" "start" "-a" "998372bac1e6a31cdfbf5fa9272a6a8ef5d62ed28de2b7dac072062301990a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling slab v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "998372bac1e6a31cdfbf5fa9272a6a8ef5d62ed28de2b7dac072062301990a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998372bac1e6a31cdfbf5fa9272a6a8ef5d62ed28de2b7dac072062301990a40", kill_on_drop: false }`
[INFO] [stdout] 998372bac1e6a31cdfbf5fa9272a6a8ef5d62ed28de2b7dac072062301990a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7c6d4a4f80e220596906b32731b708489b64f0e4291ce290382e1acc0bc7a014
[INFO] running `Command { std: "docker" "start" "-a" "7c6d4a4f80e220596906b32731b708489b64f0e4291ce290382e1acc0bc7a014", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/slab-390bd59447745a6c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/serde-dc7a765f35b4d452)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/slab.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/slab-aeb30cd8dfaa95ef)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test compact_doesnt_move_if_closure_errors ... ok
[INFO] [stdout] test compact_moves_successfully ... ok
[INFO] [stdout] test compact_no_moves_needed ... ok
[INFO] [stdout] test compact_empty ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test const_new ... ok
[INFO] [stdout] test clone_from ... ok
[INFO] [stdout] test from_iterator_new_in_order ... ok
[INFO] [stdout] test from_iterator_sorted ... ok
[INFO] [stdout] test from_iterator_unordered ... ok
[INFO] [stdout] test get_vacant_entry_without_using ... ok
[INFO] [stdout] test fully_consumed_drain ... ok
[INFO] [stdout] test get_disjoint_mut ... ok
[INFO] [stdout] test from_iterator_issue_100 ... ok
[INFO] [stdout] test drain_rev ... ok
[INFO] [stdout] test insert_get_many ... ok
[INFO] [stdout] test insert_get_remove_one ... ok
[INFO] [stdout] test insert_with_vacant_entry ... ok
[INFO] [stdout] test insert_get_remove_many ... ok
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test iter_mut_rev ... ok
[INFO] [stdout] test into_iter_rev ... ok
[INFO] [stdout] test iter_rev ... ok
[INFO] [stdout] test key_of_layout_optimizable ... ok
[INFO] [stdout] test key_of_tagged ... ok
[INFO] [stdout] test key_of_zst ... ok
[INFO] [stdout] test partially_consumed_drain ... ok
[INFO] [stdout] test reserve_does_not_allocate_if_available ... ok
[INFO] [stdout] test reserve_exact_does_not_allocate_if_available ... ok
[INFO] [stdout] test compact_handles_closure_panic ... ok
[INFO] [stdout] test double_remove_panics - should panic ... ok
[INFO] [stdout] test invalid_remove_panics - should panic ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test invalid_get_mut_panics - should panic ... ok
[INFO] [stdout] test shrink_to_fit_doesnt_move ... ok
[INFO] [stdout] test invalid_get_panics - should panic ... ok
[INFO] [stdout] test shrink_to_fit_doesnt_recreate_list_when_nothing_can_be_done ... ok
[INFO] [stdout] test shrink_to_fit_empty ... ok
[INFO] [stdout] test try_remove ... ok
[INFO] [stdout] test shrink_to_fit_no_vacant ... ok
[INFO] [stdout] test reserve_does_panic_with_capacity_overflow - should panic ... ok
[INFO] [stdout] test reserve_exact_does_panic_with_capacity_overflow - should panic ... ok
[INFO] [stdout] test reserve_does_panic_with_capacity_overflow_bytes - should panic ... ok
[INFO] [stdout] test slab_get_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c6d4a4f80e220596906b32731b708489b64f0e4291ce290382e1acc0bc7a014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6d4a4f80e220596906b32731b708489b64f0e4291ce290382e1acc0bc7a014", kill_on_drop: false }`
[INFO] [stdout] 7c6d4a4f80e220596906b32731b708489b64f0e4291ce290382e1acc0bc7a014