[INFO] cloning repository https://github.com/liangGTY/concurrency-limits-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liangGTY/concurrency-limits-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FliangGTY%2Fconcurrency-limits-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FliangGTY%2Fconcurrency-limits-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 571becd3c3c59bbc5866d0d9f83b4eefacc5679b
[INFO] testing liangGTY/concurrency-limits-rs against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FliangGTY%2Fconcurrency-limits-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/liangGTY/concurrency-limits-rs
[INFO] finished tweaking git repo https://github.com/liangGTY/concurrency-limits-rs
[INFO] tweaked toml for git repo https://github.com/liangGTY/concurrency-limits-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/liangGTY/concurrency-limits-rs on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/liangGTY/concurrency-limits-rs 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f616af41c6b9c68734ce10f115be52a698c1ee8ac492a35ef1ba1bbcddc88ee3
[INFO] running `Command { std: "docker" "start" "-a" "f616af41c6b9c68734ce10f115be52a698c1ee8ac492a35ef1ba1bbcddc88ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f616af41c6b9c68734ce10f115be52a698c1ee8ac492a35ef1ba1bbcddc88ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f616af41c6b9c68734ce10f115be52a698c1ee8ac492a35ef1ba1bbcddc88ee3", kill_on_drop: false }`
[INFO] [stdout] f616af41c6b9c68734ce10f115be52a698c1ee8ac492a35ef1ba1bbcddc88ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbba5b955caa7c7efc855e20bb5a289c6b7f14cc09b92e4ac9ac4b169dddb5f3
[INFO] running `Command { std: "docker" "start" "-a" "fbba5b955caa7c7efc855e20bb5a289c6b7f14cc09b92e4ac9ac4b169dddb5f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency-limits-core v0.1.0 (/opt/rustwide/workdir/concurrency-limits-core)
[INFO] [stdout] error[E0207]: the type parameter `C` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<'a, L: Limit, C: Any> Limiter<L>
[INFO] [stdout]    |                    ^ unconstrained type parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `Listener` is not dyn compatible
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn acquire(context: C) -> Option<dyn Listener> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ `Listener` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Listener {
[INFO] [stdout]    |           -------- this trait is not dyn compatible...
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     fn on_success();
[INFO] [stdout]    |        ^^^^^^^^^^ ...because associated function `on_success` has no `self` parameter
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     fn on_ignore();
[INFO] [stdout]    |        ^^^^^^^^^ ...because associated function `on_ignore` has no `self` parameter
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     fn on_dropped();
[INFO] [stdout]    |        ^^^^^^^^^^ ...because associated function `on_dropped` has no `self` parameter
[INFO] [stdout] help: consider turning `on_success` into a method by giving it a `&self` argument
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn on_success(&self);
[INFO] [stdout]    |                   +++++
[INFO] [stdout] help: alternatively, consider constraining `on_success` so it does not apply to trait objects
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn on_success() where Self: Sized;
[INFO] [stdout]    |                     +++++++++++++++++
[INFO] [stdout] help: consider turning `on_ignore` into a method by giving it a `&self` argument
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn on_ignore(&self);
[INFO] [stdout]    |                  +++++
[INFO] [stdout] help: alternatively, consider constraining `on_ignore` so it does not apply to trait objects
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn on_ignore() where Self: Sized;
[INFO] [stdout]    |                    +++++++++++++++++
[INFO] [stdout] help: consider turning `on_dropped` into a method by giving it a `&self` argument
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_dropped(&self);
[INFO] [stdout]    |                   +++++
[INFO] [stdout] help: alternatively, consider constraining `on_dropped` so it does not apply to trait objects
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_dropped() where Self: Sized;
[INFO] [stdout]    |                     +++++++++++++++++
[INFO] [stdout] help: you might have meant to use `Self` to refer to the implementing type
[INFO] [stdout]    |
[INFO] [stdout] 31 -     fn acquire(context: C) -> Option<dyn Listener> {
[INFO] [stdout] 31 +     fn acquire(context: C) -> Option<Self> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `(dyn Listener + 'static)` cannot be known at compilation time
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn acquire(context: C) -> Option<dyn Listener> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `(dyn Listener + 'static)`
[INFO] [stdout] note: required by an implicit `Sized` bound in `Option`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:599:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `Listener` is not dyn compatible
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         None
[INFO] [stdout]    |         ^^^^ `Listener` is not dyn compatible
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Listener {
[INFO] [stdout]    |           -------- this trait is not dyn compatible...
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     fn on_success();
[INFO] [stdout]    |        ^^^^^^^^^^ ...because associated function `on_success` has no `self` parameter
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     fn on_ignore();
[INFO] [stdout]    |        ^^^^^^^^^ ...because associated function `on_ignore` has no `self` parameter
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     fn on_dropped();
[INFO] [stdout]    |        ^^^^^^^^^^ ...because associated function `on_dropped` has no `self` parameter
[INFO] [stdout] help: consider turning `on_success` into a method by giving it a `&self` argument
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn on_success(&self);
[INFO] [stdout]    |                   +++++
[INFO] [stdout] help: alternatively, consider constraining `on_success` so it does not apply to trait objects
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn on_success() where Self: Sized;
[INFO] [stdout]    |                     +++++++++++++++++
[INFO] [stdout] help: consider turning `on_ignore` into a method by giving it a `&self` argument
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn on_ignore(&self);
[INFO] [stdout]    |                  +++++
[INFO] [stdout] help: alternatively, consider constraining `on_ignore` so it does not apply to trait objects
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn on_ignore() where Self: Sized;
[INFO] [stdout]    |                    +++++++++++++++++
[INFO] [stdout] help: consider turning `on_dropped` into a method by giving it a `&self` argument
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_dropped(&self);
[INFO] [stdout]    |                   +++++
[INFO] [stdout] help: alternatively, consider constraining `on_dropped` so it does not apply to trait objects
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn on_dropped() where Self: Sized;
[INFO] [stdout]    |                     +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn Listener` cannot be known at compilation time
[INFO] [stdout]   --> concurrency-limits-core/src/limit/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         None
[INFO] [stdout]    |         ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `dyn Listener`
[INFO] [stdout] note: required by a bound in `None`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:603:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0038, E0207, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concurrency-limits-core` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "fbba5b955caa7c7efc855e20bb5a289c6b7f14cc09b92e4ac9ac4b169dddb5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbba5b955caa7c7efc855e20bb5a289c6b7f14cc09b92e4ac9ac4b169dddb5f3", kill_on_drop: false }`
[INFO] [stdout] fbba5b955caa7c7efc855e20bb5a289c6b7f14cc09b92e4ac9ac4b169dddb5f3
