[INFO] fetching crate mbox 0.7.1...
[INFO] testing mbox-0.7.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate mbox 0.7.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mbox 0.7.1
[INFO] finished tweaking crates.io crate mbox 0.7.1
[INFO] tweaked toml for crates.io crate mbox 0.7.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mbox 0.7.1 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 2 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6c39a7ab0d6efd482264f7bd0b3ea924e9f3c7dfb894edd8310aa31a82dbbbab
[INFO] running `Command { std: "docker" "start" "-a" "6c39a7ab0d6efd482264f7bd0b3ea924e9f3c7dfb894edd8310aa31a82dbbbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c39a7ab0d6efd482264f7bd0b3ea924e9f3c7dfb894edd8310aa31a82dbbbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c39a7ab0d6efd482264f7bd0b3ea924e9f3c7dfb894edd8310aa31a82dbbbab", kill_on_drop: false }`
[INFO] [stdout] 6c39a7ab0d6efd482264f7bd0b3ea924e9f3c7dfb894edd8310aa31a82dbbbab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5a423b9ee5878a930b13ed80dcc94369fb2d58bdb0512d7c75f3e145480dc80c
[INFO] running `Command { std: "docker" "start" "-a" "5a423b9ee5878a930b13ed80dcc94369fb2d58bdb0512d7c75f3e145480dc80c", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling mbox v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5a423b9ee5878a930b13ed80dcc94369fb2d58bdb0512d7c75f3e145480dc80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a423b9ee5878a930b13ed80dcc94369fb2d58bdb0512d7c75f3e145480dc80c", kill_on_drop: false }`
[INFO] [stdout] 5a423b9ee5878a930b13ed80dcc94369fb2d58bdb0512d7c75f3e145480dc80c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e9b65ef23b81acdea329441e701c73791260f5b14e61ded717eb88d7216a7b10
[INFO] running `Command { std: "docker" "start" "-a" "e9b65ef23b81acdea329441e701c73791260f5b14e61ded717eb88d7216a7b10", kill_on_drop: false }`
[INFO] [stderr]    Compiling mbox v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "e9b65ef23b81acdea329441e701c73791260f5b14e61ded717eb88d7216a7b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b65ef23b81acdea329441e701c73791260f5b14e61ded717eb88d7216a7b10", kill_on_drop: false }`
[INFO] [stdout] e9b65ef23b81acdea329441e701c73791260f5b14e61ded717eb88d7216a7b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a5996e8726890aa30e083b358ab8c6b19eb182f76155c0227d4fa81dcfbb69f2
[INFO] running `Command { std: "docker" "start" "-a" "a5996e8726890aa30e083b358ab8c6b19eb182f76155c0227d4fa81dcfbb69f2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test mbox::test_clone_from ... ok
[INFO] [stdout] test mbox::test_clone ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] test mbox::test_default_str ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mbox-1e27a07a58807814)
[INFO] [stdout] test mbox::test_clone_slice ... ok
[INFO] [stdout] test mbox::test_format ... ok
[INFO] [stdout] test mbox::test_from_iterator ... ok
[INFO] [stdout] test mbox::test_from_iterator_with_no_size_hint ... ok
[INFO] [stdout] test mbox::test_into_iterator ... ok
[INFO] [stdout] test mbox::test_into_raw ... ok
[INFO] [stdout] test mbox::test_iter_drop ... ok
[INFO] [stdout] test mbox::test_iter_properties ... ok
[INFO] [stdout] test mbox::test_no_drop_flag ... ok
[INFO] [stdout] test mbox::test_non_utf8 ... ok
[INFO] [stdout] test mbox::test_non_zero ... ok
[INFO] [stdout] test mbox::test_aligned ... ok
[INFO] [stdout] test mbox::test_single_object ... ok
[INFO] [stdout] test mbox::test_slice ... ok
[INFO] [stdout] test mbox::test_standard_traits ... ok
[INFO] [stdout] test mbox::test_string_with_internal_nul ... ok
[INFO] [stdout] test mbox::test_zst_slice ... ok
[INFO] [stdout] test sentinel::test_array_into_mbox ... ok
[INFO] [stdout] test mbox::test_empty_slice ... ok
[INFO] [stdout] test sentinel::test_c_str ... ok
[INFO] [stdout] test mbox::test_slice_with_drops ... ok
[INFO] [stdout] test mbox::test_string_from_bytes ... ok
[INFO] [stdout] test mbox::test_zero_sized_type ... ok
[INFO] [stdout] test sentinel::test_array ... ok
[INFO] [stdout] test sentinel::test_array_with_drop ... ok
[INFO] [stdout] test sentinel::test_default_array ... ok
[INFO] [stdout] test sentinel::test_default_string ... ok
[INFO] [stdout] test sentinel::test_hash_array ... ok
[INFO] [stdout] test sentinel::test_hash_string ... ok
[INFO] [stdout] test sentinel::test_non_utf8_string ... ok
[INFO] [stdout] test sentinel::test_string ... ok
[INFO] [stdout] test sentinel::test_string_into_mbox ... ok
[INFO] [stdout] test mbox::test_panic_during_clone - should panic ... ok
[INFO] [stdout] test mbox::test_panic_during_clone_from - should panic ... ok
[INFO] [stdout] test mbox::test_panic_on_clone_slice - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5996e8726890aa30e083b358ab8c6b19eb182f76155c0227d4fa81dcfbb69f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5996e8726890aa30e083b358ab8c6b19eb182f76155c0227d4fa81dcfbb69f2", kill_on_drop: false }`
[INFO] [stdout] a5996e8726890aa30e083b358ab8c6b19eb182f76155c0227d4fa81dcfbb69f2