[INFO] cloning repository https://github.com/dguenther/rustchip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dguenther/rustchip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdguenther%2Frustchip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdguenther%2Frustchip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e29da31ac332b82feeb43a5eaa01f45009e101a
[INFO] checking dguenther/rustchip against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdguenther%2Frustchip" "/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/dguenther/rustchip on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dguenther/rustchip
[INFO] finished tweaking git repo https://github.com/dguenther/rustchip
[INFO] tweaked toml for git repo https://github.com/dguenther/rustchip written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dguenther/rustchip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac08100af6ce2563c4325064239d96b8068de8730ff7af5590468f5114b966d3
[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" "ac08100af6ce2563c4325064239d96b8068de8730ff7af5590468f5114b966d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac08100af6ce2563c4325064239d96b8068de8730ff7af5590468f5114b966d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac08100af6ce2563c4325064239d96b8068de8730ff7af5590468f5114b966d3", kill_on_drop: false }`
[INFO] [stdout] ac08100af6ce2563c4325064239d96b8068de8730ff7af5590468f5114b966d3
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9fe35faecc2d9cd8b1ccdbaf18a01526997cc800f6c417643a914cdc2ad78e0
[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" "d9fe35faecc2d9cd8b1ccdbaf18a01526997cc800f6c417643a914cdc2ad78e0", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sfml v0.9.3
[INFO] [stderr]     Checking rustchip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `u8: std::ops::Neg` is not satisfied
[INFO] [stdout]   --> src/main.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   _ => -1
[INFO] [stdout]    |                            ^^ the trait `std::ops::Neg` is not implemented for `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: std::ops::Neg` is not satisfied
[INFO] [stdout]   --> src/main.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         if val != -1 {
[INFO] [stdout]    |                                   ^^ the trait `std::ops::Neg` is not implemented for `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: std::ops::Neg` is not satisfied
[INFO] [stdout]   --> src/main.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   _ => -1
[INFO] [stdout]    |                            ^^ the trait `std::ops::Neg` is not implemented for `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u8: std::ops::Neg` is not satisfied
[INFO] [stdout]   --> src/main.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         if val != -1 {
[INFO] [stdout]    |                                   ^^ the trait `std::ops::Neg` is not implemented for `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustchip`.
[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: aborting due to 2 previous errors
[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" "d9fe35faecc2d9cd8b1ccdbaf18a01526997cc800f6c417643a914cdc2ad78e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fe35faecc2d9cd8b1ccdbaf18a01526997cc800f6c417643a914cdc2ad78e0", kill_on_drop: false }`
[INFO] [stdout] d9fe35faecc2d9cd8b1ccdbaf18a01526997cc800f6c417643a914cdc2ad78e0