[INFO] cloning repository https://github.com/Wassasin/min-trait-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wassasin/min-trait-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWassasin%2Fmin-trait-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWassasin%2Fmin-trait-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24be398a33ba3722677554c5be1485b2fbf7aee1
[INFO] checking Wassasin/min-trait-example against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWassasin%2Fmin-trait-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wassasin/min-trait-example on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wassasin/min-trait-example
[INFO] finished tweaking git repo https://github.com/Wassasin/min-trait-example
[INFO] tweaked toml for git repo https://github.com/Wassasin/min-trait-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Wassasin/min-trait-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ad46147ad7f6d5c75f0ec6a52873f7182e196521b7f9a6ff71c547fce29b30d
[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" "4ad46147ad7f6d5c75f0ec6a52873f7182e196521b7f9a6ff71c547fce29b30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ad46147ad7f6d5c75f0ec6a52873f7182e196521b7f9a6ff71c547fce29b30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad46147ad7f6d5c75f0ec6a52873f7182e196521b7f9a6ff71c547fce29b30d", kill_on_drop: false }`
[INFO] [stdout] 4ad46147ad7f6d5c75f0ec6a52873f7182e196521b7f9a6ff71c547fce29b30d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d2749c9fd8d92e20a7e5101b70b8aa398d89dd98398c5a7b976bab4b3edb18
[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" "d7d2749c9fd8d92e20a7e5101b70b8aa398d89dd98398c5a7b976bab4b3edb18", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking min-trait-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `N: Unsigned` is not satisfied
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | ) -> [u8; <N as Unsigned>::USIZE] {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^ the trait `Unsigned` is not implemented for `N`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `USIZE`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn convert_generic_array<N: ArrayLength<u8> + Unsigned + Unsigned>(
[INFO] [stdout]   |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `min-trait-example`
[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] [stdout] error[E0277]: the trait bound `N: Unsigned` is not satisfied
[INFO] [stdout]  --> src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | ) -> [u8; <N as Unsigned>::USIZE] {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^ the trait `Unsigned` is not implemented for `N`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `USIZE`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn convert_generic_array<N: ArrayLength<u8> + Unsigned + Unsigned>(
[INFO] [stdout]   |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d7d2749c9fd8d92e20a7e5101b70b8aa398d89dd98398c5a7b976bab4b3edb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d2749c9fd8d92e20a7e5101b70b8aa398d89dd98398c5a7b976bab4b3edb18", kill_on_drop: false }`
[INFO] [stdout] d7d2749c9fd8d92e20a7e5101b70b8aa398d89dd98398c5a7b976bab4b3edb18