[INFO] fetching crate data-traits 0.1.0...
[INFO] testing data-traits-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 data-traits 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate data-traits 0.1.0
[INFO] finished tweaking crates.io crate data-traits 0.1.0
[INFO] tweaked toml for crates.io crate data-traits 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate data-traits 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] crate crates.io crate data-traits 0.1.0 already has a lockfile, it will not be regenerated
[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] aff85321c9fe3de53dfa4fc36a3a51b30164dccb2d08e39c4e6f588c0ba965d6
[INFO] running `Command { std: "docker" "start" "-a" "aff85321c9fe3de53dfa4fc36a3a51b30164dccb2d08e39c4e6f588c0ba965d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff85321c9fe3de53dfa4fc36a3a51b30164dccb2d08e39c4e6f588c0ba965d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff85321c9fe3de53dfa4fc36a3a51b30164dccb2d08e39c4e6f588c0ba965d6", kill_on_drop: false }`
[INFO] [stdout] aff85321c9fe3de53dfa4fc36a3a51b30164dccb2d08e39c4e6f588c0ba965d6
[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] 652adb617d1194ffc0672407adc85d384473e9669b26e4950e0f3be739d04981
[INFO] running `Command { std: "docker" "start" "-a" "652adb617d1194ffc0672407adc85d384473e9669b26e4950e0f3be739d04981", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Res` is never used
[INFO] [stdout]  --> src/error.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) type Res<T> = Result<T, Error>;
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "652adb617d1194ffc0672407adc85d384473e9669b26e4950e0f3be739d04981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652adb617d1194ffc0672407adc85d384473e9669b26e4950e0f3be739d04981", kill_on_drop: false }`
[INFO] [stdout] 652adb617d1194ffc0672407adc85d384473e9669b26e4950e0f3be739d04981
[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] 02c8d4883dcd2949bea12af2662bcb950402e145d9a872786df34286ba48c6d1
[INFO] running `Command { std: "docker" "start" "-a" "02c8d4883dcd2949bea12af2662bcb950402e145d9a872786df34286ba48c6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling data-traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Res` is never used
[INFO] [stdout]  --> src/error.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) type Res<T> = Result<T, Error>;
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Res` is never used
[INFO] [stdout]  --> src/error.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) type Res<T> = Result<T, Error>;
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "02c8d4883dcd2949bea12af2662bcb950402e145d9a872786df34286ba48c6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c8d4883dcd2949bea12af2662bcb950402e145d9a872786df34286ba48c6d1", kill_on_drop: false }`
[INFO] [stdout] 02c8d4883dcd2949bea12af2662bcb950402e145d9a872786df34286ba48c6d1
[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] ef453563db419e6cea3dbb4e20edf83238ec18844450dd58c890c480a34ecb0a
[INFO] running `Command { std: "docker" "start" "-a" "ef453563db419e6cea3dbb4e20edf83238ec18844450dd58c890c480a34ecb0a", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `Res` is never used
[INFO] [stderr]  --> src/error.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) type Res<T> = Result<T, Error>;
[INFO] [stderr]   |                 ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `data-traits` (lib) generated 1 warning
[INFO] [stderr] warning: `data-traits` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/data_traits-c8b7b58c14bec896)
[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" "ef453563db419e6cea3dbb4e20edf83238ec18844450dd58c890c480a34ecb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef453563db419e6cea3dbb4e20edf83238ec18844450dd58c890c480a34ecb0a", kill_on_drop: false }`
[INFO] [stdout] ef453563db419e6cea3dbb4e20edf83238ec18844450dd58c890c480a34ecb0a