[INFO] updating cached repository LouisBrunner/rusty-ports
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LouisBrunner/rusty-ports
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LouisBrunner/rusty-ports" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/LouisBrunner/rusty-ports"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/LouisBrunner/rusty-ports'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LouisBrunner/rusty-ports" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/LouisBrunner/rusty-ports"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/LouisBrunner/rusty-ports'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cc9820b95022397eb4f1501e7b0c4648f174e1f
[INFO] sha for GitHub repo LouisBrunner/rusty-ports: 6cc9820b95022397eb4f1501e7b0c4648f174e1f
[INFO] validating manifest of LouisBrunner/rusty-ports on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LouisBrunner/rusty-ports on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LouisBrunner/rusty-ports
[INFO] finished frobbing LouisBrunner/rusty-ports
[INFO] frobbed toml for LouisBrunner/rusty-ports written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/LouisBrunner/rusty-ports/Cargo.toml
[INFO] started frobbing LouisBrunner/rusty-ports
[INFO] finished frobbing LouisBrunner/rusty-ports
[INFO] frobbed toml for LouisBrunner/rusty-ports written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/LouisBrunner/rusty-ports/Cargo.toml
[INFO] crate LouisBrunner/rusty-ports already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking LouisBrunner/rusty-ports against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/LouisBrunner/rusty-ports:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2abd818b451d4979009f7705b42db4d050ecc79192000bb7a657cc9bdaa8eeff
[INFO] running `"docker" "start" "-a" "2abd818b451d4979009f7705b42db4d050ecc79192000bb7a657cc9bdaa8eeff"`
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking mockstream v0.0.3
[INFO] [stderr]     Checking mockers v0.12.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct BoxFn0<T>(Box<FnBox() -> T>);
[INFO] [stderr]   |                   ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A0` is never used
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct BoxFn1<A0, T>(Box<FnBox(A0) -> T>);
[INFO] [stderr]   |                   ^^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `A0` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct BoxFn1<A0, T>(Box<FnBox(A0) -> T>);
[INFO] [stderr]   |                       ^ unused parameter
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A0` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct BoxFn2<A0, A1, T>(Box<FnBox(A0, A1) -> T>);
[INFO] [stderr]    |                   ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A0` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A1` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct BoxFn2<A0, A1, T>(Box<FnBox(A0, A1) -> T>);
[INFO] [stderr]    |                       ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A1` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct BoxFn2<A0, A1, T>(Box<FnBox(A0, A1) -> T>);
[INFO] [stderr]    |                           ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A0` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stderr]    |                   ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A0` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A1` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stderr]    |                       ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A1` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A2` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stderr]    |                           ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A2` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stderr]    |                               ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A0` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stderr]    |                   ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A0` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A1` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stderr]    |                       ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A1` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A2` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stderr]    |                           ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A2` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `A3` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stderr]    |                               ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `A3` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/box_fn.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stderr]    |                                   ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: Could not compile `mockers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2abd818b451d4979009f7705b42db4d050ecc79192000bb7a657cc9bdaa8eeff"`
[INFO] running `"docker" "rm" "-f" "2abd818b451d4979009f7705b42db4d050ecc79192000bb7a657cc9bdaa8eeff"`
[INFO] [stdout] 2abd818b451d4979009f7705b42db4d050ecc79192000bb7a657cc9bdaa8eeff