[INFO] cloning repository https://github.com/flowerhill/rust-hkt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flowerhill/rust-hkt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowerhill%2Frust-hkt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowerhill%2Frust-hkt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d42e828a30b6015880c82657892d5402a33381c
[INFO] testing flowerhill/rust-hkt against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowerhill%2Frust-hkt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flowerhill/rust-hkt
[INFO] finished tweaking git repo https://github.com/flowerhill/rust-hkt
[INFO] tweaked toml for git repo https://github.com/flowerhill/rust-hkt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flowerhill/rust-hkt 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 git repo https://github.com/flowerhill/rust-hkt 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c11eb6c2fe42368674f288b9959e227b09489821c92ffed4e8b054057b201dde
[INFO] running `Command { std: "docker" "start" "-a" "c11eb6c2fe42368674f288b9959e227b09489821c92ffed4e8b054057b201dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c11eb6c2fe42368674f288b9959e227b09489821c92ffed4e8b054057b201dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11eb6c2fe42368674f288b9959e227b09489821c92ffed4e8b054057b201dde", kill_on_drop: false }`
[INFO] [stdout] c11eb6c2fe42368674f288b9959e227b09489821c92ffed4e8b054057b201dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6d984d4649097fa396e391650a787952e9adbe8853ce580bab5b475bf9453f08
[INFO] running `Command { std: "docker" "start" "-a" "6d984d4649097fa396e391650a787952e9adbe8853ce580bab5b475bf9453f08", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hkt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Functor` is never used
[INFO] [stdout]  --> src/hkt_impl.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Functor {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Applicative` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Applicative: Functor {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monad` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Monad: Applicative {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptionF` is never constructed
[INFO] [stdout]   --> src/hkt_impl.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct OptionF<T>(Option<T>);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmap` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T> OptionF<T> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 42 |     fn fmap<F, B>(self, f: F) -> impl Functor<Inner = B, This<B> = Result<B, ()>>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "6d984d4649097fa396e391650a787952e9adbe8853ce580bab5b475bf9453f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d984d4649097fa396e391650a787952e9adbe8853ce580bab5b475bf9453f08", kill_on_drop: false }`
[INFO] [stdout] 6d984d4649097fa396e391650a787952e9adbe8853ce580bab5b475bf9453f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3d9a1f45ab3466a697770ce64dc2b12304c550cc7f98149ec317e659551325d3
[INFO] running `Command { std: "docker" "start" "-a" "3d9a1f45ab3466a697770ce64dc2b12304c550cc7f98149ec317e659551325d3", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Functor` is never used
[INFO] [stdout]  --> src/hkt_impl.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Functor {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-hkt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Applicative` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Applicative: Functor {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monad` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Monad: Applicative {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptionF` is never constructed
[INFO] [stdout]   --> src/hkt_impl.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct OptionF<T>(Option<T>);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmap` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T> OptionF<T> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 42 |     fn fmap<F, B>(self, f: F) -> impl Functor<Inner = B, This<B> = Result<B, ()>>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Functor` is never used
[INFO] [stdout]  --> src/hkt_impl.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Functor {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Applicative` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Applicative: Functor {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Monad` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Monad: Applicative {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptionF` is never constructed
[INFO] [stdout]   --> src/hkt_impl.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct OptionF<T>(Option<T>);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmap` is never used
[INFO] [stdout]   --> src/hkt_impl.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T> OptionF<T> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 42 |     fn fmap<F, B>(self, f: F) -> impl Functor<Inner = B, This<B> = Result<B, ()>>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "3d9a1f45ab3466a697770ce64dc2b12304c550cc7f98149ec317e659551325d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9a1f45ab3466a697770ce64dc2b12304c550cc7f98149ec317e659551325d3", kill_on_drop: false }`
[INFO] [stdout] 3d9a1f45ab3466a697770ce64dc2b12304c550cc7f98149ec317e659551325d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cd11626e658099a0ff2b646af6629f4d43c5d3a5b8fbd1ef895fdac08441a578
[INFO] running `Command { std: "docker" "start" "-a" "cd11626e658099a0ff2b646af6629f4d43c5d3a5b8fbd1ef895fdac08441a578", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Functor` is never used
[INFO] [stderr]  --> src/hkt_impl.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub trait Functor {
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Applicative` is never used
[INFO] [stderr]   --> src/hkt_impl.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub trait Applicative: Functor {
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Monad` is never used
[INFO] [stderr]   --> src/hkt_impl.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub trait Monad: Applicative {
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OptionF` is never constructed
[INFO] [stderr]   --> src/hkt_impl.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | struct OptionF<T>(Option<T>);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fmap` is never used
[INFO] [stderr]   --> src/hkt_impl.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl<T> OptionF<T> {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] 42 |     fn fmap<F, B>(self, f: F) -> impl Functor<Inner = B, This<B> = Result<B, ()>>
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-hkt` (lib) generated 5 warnings
[INFO] [stderr] warning: `rust-hkt` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_hkt-627b6f08b5b46fef)
[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" "cd11626e658099a0ff2b646af6629f4d43c5d3a5b8fbd1ef895fdac08441a578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd11626e658099a0ff2b646af6629f4d43c5d3a5b8fbd1ef895fdac08441a578", kill_on_drop: false }`
[INFO] [stdout] cd11626e658099a0ff2b646af6629f4d43c5d3a5b8fbd1ef895fdac08441a578