[INFO] fetching crate mincost 0.1.3...
[INFO] testing mincost-0.1.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate mincost 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mincost 0.1.3
[INFO] finished tweaking crates.io crate mincost 0.1.3
[INFO] tweaked toml for crates.io crate mincost 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mincost 0.1.3 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 3 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.3.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 387b1971a3db530a7105e55e7ca14f3ba58e24c8288a12e71e363b9bde84a0b4
[INFO] running `Command { std: "docker" "start" "-a" "387b1971a3db530a7105e55e7ca14f3ba58e24c8288a12e71e363b9bde84a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387b1971a3db530a7105e55e7ca14f3ba58e24c8288a12e71e363b9bde84a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387b1971a3db530a7105e55e7ca14f3ba58e24c8288a12e71e363b9bde84a0b4", kill_on_drop: false }`
[INFO] [stdout] 387b1971a3db530a7105e55e7ca14f3ba58e24c8288a12e71e363b9bde84a0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c0d3b0a95c48491209fa29661396d26d3b17cbe5d8bb70da42c048d702ac76f2
[INFO] running `Command { std: "docker" "start" "-a" "c0d3b0a95c48491209fa29661396d26d3b17cbe5d8bb70da42c048d702ac76f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling mincost v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout]    --> src/ga/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stdout]    --> src/ga/mod.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c0d3b0a95c48491209fa29661396d26d3b17cbe5d8bb70da42c048d702ac76f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d3b0a95c48491209fa29661396d26d3b17cbe5d8bb70da42c048d702ac76f2", kill_on_drop: false }`
[INFO] [stdout] c0d3b0a95c48491209fa29661396d26d3b17cbe5d8bb70da42c048d702ac76f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7338bbd90ca5c467c12b2dd42a098f8d97079b5c992af5724e0387298c774100
[INFO] running `Command { std: "docker" "start" "-a" "7338bbd90ca5c467c12b2dd42a098f8d97079b5c992af5724e0387298c774100", kill_on_drop: false }`
[INFO] [stderr]    Compiling mincost v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout]    --> src/ga/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stdout]    --> src/ga/mod.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stdout]    --> src/ga/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stdout]    --> src/ga/mod.rs:242:32
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stdout]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "7338bbd90ca5c467c12b2dd42a098f8d97079b5c992af5724e0387298c774100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7338bbd90ca5c467c12b2dd42a098f8d97079b5c992af5724e0387298c774100", kill_on_drop: false }`
[INFO] [stdout] 7338bbd90ca5c467c12b2dd42a098f8d97079b5c992af5724e0387298c774100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2b6748a894e2481aca55ea3fa4a168147ff565bb569d6ea2ae3aa05416d27b7f
[INFO] running `Command { std: "docker" "start" "-a" "2b6748a894e2481aca55ea3fa4a168147ff565bb569d6ea2ae3aa05416d27b7f", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `breed2`
[INFO] [stderr]    --> src/ga/mod.rs:240:25
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 if cfg!(feature = "breed2") {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stderr]     = help: consider adding `breed2` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `breed1`
[INFO] [stderr]    --> src/ga/mod.rs:242:32
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 } else if cfg!(feature = "breed1") {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `default`, `ga`, `normal`, `pso`, `sa`, and `shuffle`
[INFO] [stderr]     = help: consider adding `breed1` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `mincost` (lib) generated 2 warnings
[INFO] [stderr] warning: `mincost` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mincost-2ec533024d8eae8e)
[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" "2b6748a894e2481aca55ea3fa4a168147ff565bb569d6ea2ae3aa05416d27b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6748a894e2481aca55ea3fa4a168147ff565bb569d6ea2ae3aa05416d27b7f", kill_on_drop: false }`
[INFO] [stdout] 2b6748a894e2481aca55ea3fa4a168147ff565bb569d6ea2ae3aa05416d27b7f