[INFO] cloning repository https://github.com/samuelchardy/Swarm-Learning-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelchardy/Swarm-Learning-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelchardy%2FSwarm-Learning-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelchardy%2FSwarm-Learning-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c13e9970838c466ac4f43c9463833c3375478a1b
[INFO] checking samuelchardy/Swarm-Learning-Rust against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelchardy%2FSwarm-Learning-Rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samuelchardy/Swarm-Learning-Rust
[INFO] finished tweaking git repo https://github.com/samuelchardy/Swarm-Learning-Rust
[INFO] tweaked toml for git repo https://github.com/samuelchardy/Swarm-Learning-Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samuelchardy/Swarm-Learning-Rust on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samuelchardy/Swarm-Learning-Rust 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `with_piston` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-0-tc2/source/target/.../with_piston
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `with-piston`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "with_piston"
[INFO] [stderr] 2 + name = "with-piston"
[INFO] [stderr]   |
[INFO] [stderr] warning: `LSM-Colab-Swarm-Learning` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db
[INFO] running `Command { std: "docker" "start" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `with_piston` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../with_piston
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `with-piston`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "with_piston"
[INFO] [stderr] 2 + name = "with-piston"
[INFO] [stderr]   |
[INFO] [stderr] warning: `LSM-Colab-Swarm-Learning` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
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[INFO] [stderr]    Compiling memchr v2.3.4
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[INFO] [stderr]    Compiling gl v0.13.0
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[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling gfx_gl v0.6.1
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[INFO] [stderr]     Checking shader_version v0.7.0
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[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stdout] error[E0038]: the trait `order::BitOrder` is not dyn compatible
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/lib.rs:124:2
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub type Cursor = crate::order::BitOrder;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ `order::BitOrder` 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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:45:8
[INFO] [stdout]     |
[INFO] [stdout]  43 | pub trait BitOrder {
[INFO] [stdout]     |           -------- this trait is not dyn compatible...
[INFO] [stdout]  44 |     /// Name of the ordering type, for use in text display.
[INFO] [stdout]  45 |     const TYPENAME: &'static str;
[INFO] [stdout]     |           ^^^^^^^^ ...because it contains associated const `TYPENAME`
[INFO] [stdout] ...
[INFO] [stdout]  99 |     fn at<T>(place: BitIdx<T>) -> BitPos<T>
[INFO] [stdout]     |        ^^ ...because associated function `at` has no `self` parameter
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn mask<T>(place: BitIdx<T>) -> BitMask<T>
[INFO] [stdout]     |        ^^^^ ...because associated function `mask` has no `self` parameter
[INFO] [stdout]     = help: consider moving `TYPENAME` to another trait
[INFO] [stdout]     = help: the following types implement `order::BitOrder`:
[INFO] [stdout]               order::Msb0
[INFO] [stdout]               order::Lsb0
[INFO] [stdout]             consider defining an enum where each variant holds one of these types,
[INFO] [stdout]             implementing `order::BitOrder` for this new enum and using it instead
[INFO] [stdout]     = note: `order::BitOrder` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type
[INFO] [stdout] help: consider turning `mask` into a method by giving it a `&self` argument, so that it is accessible through the trait object's vtable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn mask<T>(&self, place: BitIdx<T>) -> BitMask<T>
[INFO] [stdout]     |                ++++++
[INFO] [stdout] help: alternatively, consider constraining `mask` so it is explicitly marked as not applying to trait objects
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:142:19
[INFO] [stdout]     |
[INFO] [stdout] 142 |     where T: BitStore, Self: Sized {
[INFO] [stdout]     |                      +++++++++++++
[INFO] [stdout] help: consider turning `at` into a method by giving it a `&self` argument, so that it is accessible through the trait object's vtable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:99:11
[INFO] [stdout]     |
[INFO] [stdout]  99 |     fn at<T>(&self, place: BitIdx<T>) -> BitPos<T>
[INFO] [stdout]     |              ++++++
[INFO] [stdout] help: alternatively, consider constraining `at` so it is explicitly marked as not applying to trait objects
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |     where T: BitStore, Self: Sized;
[INFO] [stdout]     |                      +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitvec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db", kill_on_drop: false }`
[INFO] [stdout] e5b71422e7d0e14ffe5fe2fc326c3a5d7d2d588ede75d699bf2719d0603c58db
