[INFO] fetching crate mdmath 0.1.0...
[INFO] testing mdmath-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate mdmath 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mdmath 0.1.0
[INFO] finished tweaking crates.io crate mdmath 0.1.0
[INFO] tweaked toml for crates.io crate mdmath 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdmath 0.1.0 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]     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 121 packages to latest compatible versions
[INFO] [stderr]       Adding either v1.6.1 (available: v1.15.0)
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[INFO] [stderr]       Adding former_types v2.8.0 (available: v2.16.0)
[INFO] [stderr]       Adding mod_interface v0.25.0 (available: v0.34.0)
[INFO] [stderr]       Adding test_tools v0.10.0 (available: v0.16.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded process_tools v0.9.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c4f2c3a09b7a7753e261cf66be8e83747ec51412078b94dc75ca78071ad2592b
[INFO] running `Command { std: "docker" "start" "-a" "c4f2c3a09b7a7753e261cf66be8e83747ec51412078b94dc75ca78071ad2592b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f2c3a09b7a7753e261cf66be8e83747ec51412078b94dc75ca78071ad2592b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f2c3a09b7a7753e261cf66be8e83747ec51412078b94dc75ca78071ad2592b", kill_on_drop: false }`
[INFO] [stdout] c4f2c3a09b7a7753e261cf66be8e83747ec51412078b94dc75ca78071ad2592b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 954ff035c0237c7e28c2e1fd841cc1aa3920f647045da03492de0c3f3177d97c
[INFO] running `Command { std: "docker" "start" "-a" "954ff035c0237c7e28c2e1fd841cc1aa3920f647045da03492de0c3f3177d97c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling collection_tools v0.12.0
[INFO] [stderr]    Compiling clone_dyn_types v0.23.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling interval_adapter v0.24.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling derive_tools v0.29.0
[INFO] [stderr]    Compiling former_types v2.8.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling iter_tools v0.21.0
[INFO] [stderr]    Compiling macro_tools v0.40.0
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
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[INFO] [stderr]    Compiling mod_interface_meta v0.25.0
[INFO] [stderr]    Compiling mod_interface v0.25.0
[INFO] [stderr]    Compiling mdmath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.51s
[INFO] running `Command { std: "docker" "inspect" "954ff035c0237c7e28c2e1fd841cc1aa3920f647045da03492de0c3f3177d97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954ff035c0237c7e28c2e1fd841cc1aa3920f647045da03492de0c3f3177d97c", kill_on_drop: false }`
[INFO] [stdout] 954ff035c0237c7e28c2e1fd841cc1aa3920f647045da03492de0c3f3177d97c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2d70316361ed8c36e8b32cbdaaae5d5df94ecf80e25882c62acd12107568c506
[INFO] running `Command { std: "docker" "start" "-a" "2d70316361ed8c36e8b32cbdaaae5d5df94ecf80e25882c62acd12107568c506", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling signal-hook v0.3.18
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[INFO] [stderr]    Compiling target-triple v0.1.4
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[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling trybuild v1.0.105
[INFO] [stderr]    Compiling mdmath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "2d70316361ed8c36e8b32cbdaaae5d5df94ecf80e25882c62acd12107568c506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d70316361ed8c36e8b32cbdaaae5d5df94ecf80e25882c62acd12107568c506", kill_on_drop: false }`
[INFO] [stdout] 2d70316361ed8c36e8b32cbdaaae5d5df94ecf80e25882c62acd12107568c506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a43db114115a2bde7127d31e147329d0a163524892651b1ffe5c9afe54c010b7
[INFO] running `Command { std: "docker" "start" "-a" "a43db114115a2bde7127d31e147329d0a163524892651b1ffe5c9afe54c010b7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mdmath-03778de31fdb799c)
[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] running `Command { std: "docker" "inspect" "a43db114115a2bde7127d31e147329d0a163524892651b1ffe5c9afe54c010b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43db114115a2bde7127d31e147329d0a163524892651b1ffe5c9afe54c010b7", kill_on_drop: false }`
[INFO] [stdout] a43db114115a2bde7127d31e147329d0a163524892651b1ffe5c9afe54c010b7