[INFO] cloning repository https://github.com/jnferner/game-of-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jnferner/game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnferner%2Fgame-of-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnferner%2Fgame-of-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc410fafaf893f454e5dc96c14435ec71e5ab8c1
[INFO] checking jnferner/game-of-life against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnferner%2Fgame-of-life" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jnferner/game-of-life on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jnferner/game-of-life
[INFO] finished tweaking git repo https://github.com/jnferner/game-of-life
[INFO] tweaked toml for git repo https://github.com/jnferner/game-of-life written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jnferner/game-of-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76139b111ef266c61fc147b44802e3f85991b613c0c15e7300dfcfe769926306
[INFO] running `Command { std: "docker" "start" "-a" "76139b111ef266c61fc147b44802e3f85991b613c0c15e7300dfcfe769926306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76139b111ef266c61fc147b44802e3f85991b613c0c15e7300dfcfe769926306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76139b111ef266c61fc147b44802e3f85991b613c0c15e7300dfcfe769926306", kill_on_drop: false }`
[INFO] [stdout] 76139b111ef266c61fc147b44802e3f85991b613c0c15e7300dfcfe769926306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5cbe453908bebb183f8a007da3df542ee5d75ac49b6c980e70d0cdc9f8714f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5cbe453908bebb183f8a007da3df542ee5d75ac49b6c980e70d0cdc9f8714f9", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.11
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking mockers v0.12.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BoxFn0<T>(Box<FnBox() -> T>);
[INFO] [stdout]   |                   ^ unused parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A0` is never used
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct BoxFn1<A0, T>(Box<FnBox(A0) -> T>);
[INFO] [stdout]   |                   ^^ unused parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `A0`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `A0` to be a const parameter, use `const A0: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct BoxFn1<A0, T>(Box<FnBox(A0) -> T>);
[INFO] [stdout]   |                       ^ unused parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A0` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BoxFn2<A0, A1, T>(Box<FnBox(A0, A1) -> T>);
[INFO] [stdout]    |                   ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A0`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A0` to be a const parameter, use `const A0: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A1` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BoxFn2<A0, A1, T>(Box<FnBox(A0, A1) -> T>);
[INFO] [stdout]    |                       ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A1`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A1` to be a const parameter, use `const A1: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct BoxFn2<A0, A1, T>(Box<FnBox(A0, A1) -> T>);
[INFO] [stdout]    |                           ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A0` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stdout]    |                   ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A0`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A0` to be a const parameter, use `const A0: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A1` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stdout]    |                       ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A1`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A1` to be a const parameter, use `const A1: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A2` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stdout]    |                           ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A2`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A2` to be a const parameter, use `const A2: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct BoxFn3<A0, A1, A2, T>(Box<FnBox(A0, A1, A2) -> T>);
[INFO] [stdout]    |                               ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A0` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stdout]    |                   ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A0`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A0` to be a const parameter, use `const A0: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A1` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stdout]    |                       ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A1`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A1` to be a const parameter, use `const A1: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A2` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stdout]    |                           ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A2`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A2` to be a const parameter, use `const A2: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `A3` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stdout]    |                               ^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `A3`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `A3` to be a const parameter, use `const A3: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.0/src/box_fn.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct BoxFn4<A0, A1, A2, A3, T>(Box<FnBox(A0, A1, A2, A3) -> T>);
[INFO] [stdout]    |                                   ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mockers`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e5cbe453908bebb183f8a007da3df542ee5d75ac49b6c980e70d0cdc9f8714f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cbe453908bebb183f8a007da3df542ee5d75ac49b6c980e70d0cdc9f8714f9", kill_on_drop: false }`
[INFO] [stdout] e5cbe453908bebb183f8a007da3df542ee5d75ac49b6c980e70d0cdc9f8714f9