[INFO] fetching crate piechart 1.0.0...
[INFO] testing piechart-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate piechart 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate piechart 1.0.0
[INFO] finished tweaking crates.io crate piechart 1.0.0
[INFO] tweaked toml for crates.io crate piechart 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate piechart 1.0.0 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 piechart 1.0.0 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] bc99b4bfb878f313bb62273d651e3e801bc6228e1eda3157ed4da5c7ed7b02cd
[INFO] running `Command { std: "docker" "start" "-a" "bc99b4bfb878f313bb62273d651e3e801bc6228e1eda3157ed4da5c7ed7b02cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc99b4bfb878f313bb62273d651e3e801bc6228e1eda3157ed4da5c7ed7b02cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc99b4bfb878f313bb62273d651e3e801bc6228e1eda3157ed4da5c7ed7b02cd", kill_on_drop: false }`
[INFO] [stdout] bc99b4bfb878f313bb62273d651e3e801bc6228e1eda3157ed4da5c7ed7b02cd
[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] d656ba73b4829b129a4d51ef69ba44f9a5667bfb275fee7a6dccf6c1707f204f
[INFO] running `Command { std: "docker" "start" "-a" "d656ba73b4829b129a4d51ef69ba44f9a5667bfb275fee7a6dccf6c1707f204f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling piechart v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "d656ba73b4829b129a4d51ef69ba44f9a5667bfb275fee7a6dccf6c1707f204f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d656ba73b4829b129a4d51ef69ba44f9a5667bfb275fee7a6dccf6c1707f204f", kill_on_drop: false }`
[INFO] [stdout] d656ba73b4829b129a4d51ef69ba44f9a5667bfb275fee7a6dccf6c1707f204f
[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] 01deb3d98e97be8aef90cd5a9e243c3d147d5abb1604e536beb5f2a73784a542
[INFO] running `Command { std: "docker" "start" "-a" "01deb3d98e97be8aef90cd5a9e243c3d147d5abb1604e536beb5f2a73784a542", kill_on_drop: false }`
[INFO] [stderr]    Compiling piechart v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "01deb3d98e97be8aef90cd5a9e243c3d147d5abb1604e536beb5f2a73784a542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01deb3d98e97be8aef90cd5a9e243c3d147d5abb1604e536beb5f2a73784a542", kill_on_drop: false }`
[INFO] [stdout] 01deb3d98e97be8aef90cd5a9e243c3d147d5abb1604e536beb5f2a73784a542
[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] 815982ec252d055f02b48436930ee0ab7cb3d28625ca0ec93e01593bcb68a97a
[INFO] running `Command { std: "docker" "start" "-a" "815982ec252d055f02b48436930ee0ab7cb3d28625ca0ec93e01593bcb68a97a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/piechart-798c576403d0c0ae)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::data_len ... ok
[INFO] [stdout] test tests::writer_err ... ok
[INFO] [stdout] test tests::very_much_data ... ok
[INFO] [stdout] test tests::config_combinations ... ok
[INFO] [stdout] test tests::empty_data - should panic ... ok
[INFO] [stdout] test tests::zero_total - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "815982ec252d055f02b48436930ee0ab7cb3d28625ca0ec93e01593bcb68a97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815982ec252d055f02b48436930ee0ab7cb3d28625ca0ec93e01593bcb68a97a", kill_on_drop: false }`
[INFO] [stdout] 815982ec252d055f02b48436930ee0ab7cb3d28625ca0ec93e01593bcb68a97a