[INFO] fetching crate descent 0.5.0...
[INFO] testing descent-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate descent 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate descent 0.5.0
[INFO] finished tweaking crates.io crate descent 0.5.0
[INFO] tweaked toml for crates.io crate descent 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate descent 0.5.0 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 7 packages to latest compatible versions
[INFO] [stderr]       Adding snafu v0.6.10 (available: v0.8.6)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 939c529153f2723989e9f9918c63fa0faf07b12dd6d9f3e535d55bb61cdd7bf1
[INFO] running `Command { std: "docker" "start" "-a" "939c529153f2723989e9f9918c63fa0faf07b12dd6d9f3e535d55bb61cdd7bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939c529153f2723989e9f9918c63fa0faf07b12dd6d9f3e535d55bb61cdd7bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939c529153f2723989e9f9918c63fa0faf07b12dd6d9f3e535d55bb61cdd7bf1", kill_on_drop: false }`
[INFO] [stdout] 939c529153f2723989e9f9918c63fa0faf07b12dd6d9f3e535d55bb61cdd7bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] def415a79b25c52ff32a1522ab57b642b6028021a9243fdb94537c3f23ea3410
[INFO] running `Command { std: "docker" "start" "-a" "def415a79b25c52ff32a1522ab57b642b6028021a9243fdb94537c3f23ea3410", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "def415a79b25c52ff32a1522ab57b642b6028021a9243fdb94537c3f23ea3410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def415a79b25c52ff32a1522ab57b642b6028021a9243fdb94537c3f23ea3410", kill_on_drop: false }`
[INFO] [stdout] def415a79b25c52ff32a1522ab57b642b6028021a9243fdb94537c3f23ea3410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 890fdfd69dd911ffc7b5a21186b2e79e7dc2f786a03375c5bea55fbb4da02547
[INFO] running `Command { std: "docker" "start" "-a" "890fdfd69dd911ffc7b5a21186b2e79e7dc2f786a03375c5bea55fbb4da02547", kill_on_drop: false }`
[INFO] [stderr]    Compiling descent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "890fdfd69dd911ffc7b5a21186b2e79e7dc2f786a03375c5bea55fbb4da02547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890fdfd69dd911ffc7b5a21186b2e79e7dc2f786a03375c5bea55fbb4da02547", kill_on_drop: false }`
[INFO] [stdout] 890fdfd69dd911ffc7b5a21186b2e79e7dc2f786a03375c5bea55fbb4da02547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e75f1f48b81efdf03d618babc1a9f1005d48390da5ace09596647c4ea893cc46
[INFO] running `Command { std: "docker" "start" "-a" "e75f1f48b81efdf03d618babc1a9f1005d48390da5ace09596647c4ea893cc46", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/descent-bd24b1da28c69f78)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test expr::dynam::tests::degree ... ok
[INFO] [stdout] test expr::dynam::tests::forward_reverse ... ok
[INFO] [stdout] test expr::dynam::tests::cos ... ok
[INFO] [stdout] test expr::dynam::tests::operations ... ok
[INFO] [stdout] test expr::dynam::tests::reverse ... ok
[INFO] [stdout] test expr::dynam::tests::sin ... ok
[INFO] [stdout] test expr::dynam::tests::sum_sub ... ok
[INFO] [stdout] test expr::dynam::tests::separation ... ok
[INFO] [stdout] test expr::dynam::tests::variety ... ok
[INFO] [stdout] test expr::dynam::tests::sum ... ok
[INFO] [stdout] test expr::dynam::tests::auto_dynam ... ok
[INFO] [stdout] test expr::dynam::tests::auto_const ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e75f1f48b81efdf03d618babc1a9f1005d48390da5ace09596647c4ea893cc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75f1f48b81efdf03d618babc1a9f1005d48390da5ace09596647c4ea893cc46", kill_on_drop: false }`
[INFO] [stdout] e75f1f48b81efdf03d618babc1a9f1005d48390da5ace09596647c4ea893cc46