[INFO] cloning repository https://github.com/victorteokw/composed-middleware
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorteokw/composed-middleware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorteokw%2Fcomposed-middleware", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorteokw%2Fcomposed-middleware'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 857892bd3892087d74c7e8ad62404251eec2ed4a
[INFO] checking victorteokw/composed-middleware against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorteokw%2Fcomposed-middleware" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/victorteokw/composed-middleware
[INFO] finished tweaking git repo https://github.com/victorteokw/composed-middleware
[INFO] tweaked toml for git repo https://github.com/victorteokw/composed-middleware written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/victorteokw/composed-middleware on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/victorteokw/composed-middleware 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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6186b73bec27280244d9069386f405b8f3f8834216c61461a53d43b90a8b89a2
[INFO] running `Command { std: "docker" "start" "-a" "6186b73bec27280244d9069386f405b8f3f8834216c61461a53d43b90a8b89a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6186b73bec27280244d9069386f405b8f3f8834216c61461a53d43b90a8b89a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6186b73bec27280244d9069386f405b8f3f8834216c61461a53d43b90a8b89a2", kill_on_drop: false }`
[INFO] [stdout] 6186b73bec27280244d9069386f405b8f3f8834216c61461a53d43b90a8b89a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a28ec951fad7777887079dbce9a91c2bcedcc37ec2a84ebfb2c71c10282ab7
[INFO] running `Command { std: "docker" "start" "-a" "68a28ec951fad7777887079dbce9a91c2bcedcc37ec2a84ebfb2c71c10282ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking composed-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NextImpl`
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::next::{Next, NextImpl};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let middleware_outer = Middleware::<i32, i32, Infallible>::new(outer_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {outer_fn}` must implement `FnOnce<(i32, &next::Next<'_, i32, i32, Infallible>)>`
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'0 next::Next<'0, i32, i32, Infallible>)>`, for some specific lifetime `'0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let middleware_outer = Middleware::<i32, i32, Infallible>::new(outer_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected opaque type `impl for<'a> futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]               found opaque type `impl futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]    = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let middleware_outer = Middleware::<i32, i32, Infallible>::new(outer_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {outer_fn}` must implement `FnOnce<(i32, &next::Next<'0, i32, i32, Infallible>)>`, for any lifetime `'0`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'1 next::Next<'1, i32, i32, Infallible>)>`, for some specific lifetime `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let middleware_inner = Middleware::<i32, i32, Infallible>::new(inner_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {inner_fn}` must implement `FnOnce<(i32, &next::Next<'_, i32, i32, Infallible>)>`
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'0 next::Next<'0, i32, i32, Infallible>)>`, for some specific lifetime `'0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let middleware_inner = Middleware::<i32, i32, Infallible>::new(inner_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected opaque type `impl for<'a> futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]               found opaque type `impl futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]    = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let middleware_inner = Middleware::<i32, i32, Infallible>::new(inner_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {inner_fn}` must implement `FnOnce<(i32, &next::Next<'0, i32, i32, Infallible>)>`, for any lifetime `'0`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'1 next::Next<'1, i32, i32, Infallible>)>`, for some specific lifetime `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `layer` does not live long enough
[INFO] [stdout]   --> src/main.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let layer = Layered::new(
[INFO] [stdout]    |  _________-----___-
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         binding `layer` declared here
[INFO] [stdout] 39 | |         middleware_outer,
[INFO] [stdout] 40 | |         Next::new(Layered::new(middleware_inner, service))
[INFO] [stdout] 41 | |     );
[INFO] [stdout]    | |_____- argument requires that `layer` is borrowed for `'static`
[INFO] [stdout] 42 |       let result = layer.call(20).await.unwrap();
[INFO] [stdout]    |                    ^^^^^ borrowed value does not live long enough
[INFO] [stdout] 43 |       println!("Hello, world! {}", result);
[INFO] [stdout] 44 |   }
[INFO] [stdout]    |   - `layer` dropped here while still borrowed
[INFO] [stdout]    |
[INFO] [stdout] note: requirement that the value outlives `'static` introduced here
[INFO] [stdout]   --> src/next.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new<T>(n: T) -> Self where T: NextImpl<'a, I, O, E> + 'static {
[INFO] [stdout]    |                                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0597.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `composed-middleware` (bin "composed-middleware" test) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `NextImpl`
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::next::{Next, NextImpl};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let middleware_outer = Middleware::<i32, i32, Infallible>::new(outer_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {outer_fn}` must implement `FnOnce<(i32, &next::Next<'_, i32, i32, Infallible>)>`
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'0 next::Next<'0, i32, i32, Infallible>)>`, for some specific lifetime `'0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let middleware_outer = Middleware::<i32, i32, Infallible>::new(outer_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected opaque type `impl for<'a> futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]               found opaque type `impl futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]    = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let middleware_outer = Middleware::<i32, i32, Infallible>::new(outer_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {outer_fn}` must implement `FnOnce<(i32, &next::Next<'0, i32, i32, Infallible>)>`, for any lifetime `'0`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'1 next::Next<'1, i32, i32, Infallible>)>`, for some specific lifetime `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let middleware_inner = Middleware::<i32, i32, Infallible>::new(inner_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {inner_fn}` must implement `FnOnce<(i32, &next::Next<'_, i32, i32, Infallible>)>`
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'0 next::Next<'0, i32, i32, Infallible>)>`, for some specific lifetime `'0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let middleware_inner = Middleware::<i32, i32, Infallible>::new(inner_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected opaque type `impl for<'a> futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]               found opaque type `impl futures_util::Future<Output = Result<i32, Infallible>>`
[INFO] [stdout]    = note: distinct uses of `impl Trait` result in different opaque types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implementation of `FnOnce` is not general enough
[INFO] [stdout]   --> src/main.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let middleware_inner = Middleware::<i32, i32, Infallible>::new(inner_fn);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
[INFO] [stdout]    |
[INFO] [stdout]    = note: `for<'a> fn(i32, &'a next::Next<'a, i32, i32, Infallible>) -> impl futures_util::Future<Output = Result<i32, Infallible>> {inner_fn}` must implement `FnOnce<(i32, &next::Next<'0, i32, i32, Infallible>)>`, for any lifetime `'0`...
[INFO] [stdout]    = note: ...but it actually implements `FnOnce<(i32, &'1 next::Next<'1, i32, i32, Infallible>)>`, for some specific lifetime `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `layer` does not live long enough
[INFO] [stdout]   --> src/main.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let layer = Layered::new(
[INFO] [stdout]    |  _________-----___-
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         binding `layer` declared here
[INFO] [stdout] 39 | |         middleware_outer,
[INFO] [stdout] 40 | |         Next::new(Layered::new(middleware_inner, service))
[INFO] [stdout] 41 | |     );
[INFO] [stdout]    | |_____- argument requires that `layer` is borrowed for `'static`
[INFO] [stdout] 42 |       let result = layer.call(20).await.unwrap();
[INFO] [stdout]    |                    ^^^^^ borrowed value does not live long enough
[INFO] [stdout] 43 |       println!("Hello, world! {}", result);
[INFO] [stdout] 44 |   }
[INFO] [stdout]    |   - `layer` dropped here while still borrowed
[INFO] [stdout]    |
[INFO] [stdout] note: requirement that the value outlives `'static` introduced here
[INFO] [stdout]   --> src/next.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new<T>(n: T) -> Self where T: NextImpl<'a, I, O, E> + 'static {
[INFO] [stdout]    |                                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0597.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `composed-middleware` (bin "composed-middleware") due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "68a28ec951fad7777887079dbce9a91c2bcedcc37ec2a84ebfb2c71c10282ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a28ec951fad7777887079dbce9a91c2bcedcc37ec2a84ebfb2c71c10282ab7", kill_on_drop: false }`
[INFO] [stdout] 68a28ec951fad7777887079dbce9a91c2bcedcc37ec2a84ebfb2c71c10282ab7
