[INFO] fetching crate specs-task 0.4.0...
[INFO] testing specs-task-0.4.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate specs-task 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate specs-task 0.4.0
[INFO] finished tweaking crates.io crate specs-task 0.4.0
[INFO] tweaked toml for crates.io crate specs-task 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate specs-task 0.4.0 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 27 packages to latest compatible versions
[INFO] [stderr]       Adding specs v0.16.1 (available: v0.20.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded shrev v1.1.3
[INFO] [stderr]   Downloaded specs-derive v0.4.1
[INFO] [stderr]   Downloaded shred v0.10.2
[INFO] [stderr]   Downloaded shred-derive v0.6.3
[INFO] [stderr]   Downloaded tynm v0.1.10
[INFO] [stderr]   Downloaded hibitset v0.6.4
[INFO] [stderr]   Downloaded specs v0.16.1
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] [stderr]   Downloaded tuple_utils v0.3.0
[INFO] [stderr]   Downloaded mopa v0.2.2
[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] f02475686a5d313acdd379cb9c065315dbd675f63db45bef485f6a88d536bb6a
[INFO] running `Command { std: "docker" "start" "-a" "f02475686a5d313acdd379cb9c065315dbd675f63db45bef485f6a88d536bb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02475686a5d313acdd379cb9c065315dbd675f63db45bef485f6a88d536bb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02475686a5d313acdd379cb9c065315dbd675f63db45bef485f6a88d536bb6a", kill_on_drop: false }`
[INFO] [stdout] f02475686a5d313acdd379cb9c065315dbd675f63db45bef485f6a88d536bb6a
[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] e258794adb296bff3e8fc6a554ee66383bbe1ae67505066778e327d5c31d9b96
[INFO] running `Command { std: "docker" "start" "-a" "e258794adb296bff3e8fc6a554ee66383bbe1ae67505066778e327d5c31d9b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling hibitset v0.6.4
[INFO] [stderr]    Compiling shrev v1.1.3
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling shred-derive v0.6.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tynm v0.1.10
[INFO] [stderr]    Compiling shred v0.10.2
[INFO] [stderr]    Compiling specs v0.16.1
[INFO] [stderr]    Compiling specs-task v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "e258794adb296bff3e8fc6a554ee66383bbe1ae67505066778e327d5c31d9b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e258794adb296bff3e8fc6a554ee66383bbe1ae67505066778e327d5c31d9b96", kill_on_drop: false }`
[INFO] [stdout] e258794adb296bff3e8fc6a554ee66383bbe1ae67505066778e327d5c31d9b96
[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] 9ea3d977bb53e05d6356b8576a518df59cd2aa71f9e1acbfc0cbb604242433fe
[INFO] running `Command { std: "docker" "start" "-a" "9ea3d977bb53e05d6356b8576a518df59cd2aa71f9e1acbfc0cbb604242433fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling specs-task v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "9ea3d977bb53e05d6356b8576a518df59cd2aa71f9e1acbfc0cbb604242433fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea3d977bb53e05d6356b8576a518df59cd2aa71f9e1acbfc0cbb604242433fe", kill_on_drop: false }`
[INFO] [stdout] 9ea3d977bb53e05d6356b8576a518df59cd2aa71f9e1acbfc0cbb604242433fe
[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] 7a5b2fedda657c4617d98cc78db9d0e9d74a218fd467aa726d9fae69c3803f57
[INFO] running `Command { std: "docker" "start" "-a" "7a5b2fedda657c4617d98cc78db9d0e9d74a218fd467aa726d9fae69c3803f57", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/specs_task-8469e6112a1f6a36)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cons::tests::accumulate_sequence_in_loop ... ok
[INFO] [stdout] test cons::tests::remove_all_nils_nested_fork ... ok
[INFO] [stdout] test cons::tests::remove_nil_from_left_fork ... ok
[INFO] [stdout] test cons::tests::remove_nil_from_right_fork ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_fork_three ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_fork_two ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_many_nested ... ok
[INFO] [stdout] test cons::tests::task_graph_macro_nested_fork ... ok
[INFO] [stdout] test tests::single_task_not_run_until_finalized ... ok
[INFO] [stdout] test tests::single_task_deleted_on_completion ... ok
[INFO] [stdout] test tests::joined_tasks_run_in_order_and_deleted_on_completion ... ok
[INFO] [stdout] test tests::all_prongs_of_fork_run_before_join_and_deleted_on_completion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a5b2fedda657c4617d98cc78db9d0e9d74a218fd467aa726d9fae69c3803f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5b2fedda657c4617d98cc78db9d0e9d74a218fd467aa726d9fae69c3803f57", kill_on_drop: false }`
[INFO] [stdout] 7a5b2fedda657c4617d98cc78db9d0e9d74a218fd467aa726d9fae69c3803f57