[INFO] cloning repository https://github.com/mipli/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mipli/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmipli%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmipli%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a144789abaf6892de794de7466c0e90b2183f8d0
[INFO] testing mipli/sudoku against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmipli%2Fsudoku" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mipli/sudoku on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mipli/sudoku
[INFO] finished tweaking git repo https://github.com/mipli/sudoku
[INFO] tweaked toml for git repo https://github.com/mipli/sudoku written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/mipli/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f7f78db8062f2c0a8bc3d1ea657bbd4e44f9fe12e26b2c63a83afc6065c583
[INFO] running `Command { std: "docker" "start" "-a" "f0f7f78db8062f2c0a8bc3d1ea657bbd4e44f9fe12e26b2c63a83afc6065c583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f7f78db8062f2c0a8bc3d1ea657bbd4e44f9fe12e26b2c63a83afc6065c583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f7f78db8062f2c0a8bc3d1ea657bbd4e44f9fe12e26b2c63a83afc6065c583", kill_on_drop: false }`
[INFO] [stdout] f0f7f78db8062f2c0a8bc3d1ea657bbd4e44f9fe12e26b2c63a83afc6065c583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fedba8d8a0ea3b2d8796b19a0b7f60613b66130f5b4dbdba897e5f107a57776a
[INFO] running `Command { std: "docker" "start" "-a" "fedba8d8a0ea3b2d8796b19a0b7f60613b66130f5b4dbdba897e5f107a57776a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cell.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |     pub struct Value: u32 {
[INFO] [stdout] 5  | |         const ONE = 0b0_0000_0001;
[INFO] [stdout] 6  | |         const TWO = 0b0_0000_0010;
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cell.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |     pub struct Value: u32 {
[INFO] [stdout] 5  | |         const ONE = 0b0_0000_0001;
[INFO] [stdout] 6  | |         const TWO = 0b0_0000_0010;
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cell.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |     pub struct Value: u32 {
[INFO] [stdout] 5  | |         const ONE = 0b0_0000_0001;
[INFO] [stdout] 6  | |         const TWO = 0b0_0000_0010;
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(test)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fedba8d8a0ea3b2d8796b19a0b7f60613b66130f5b4dbdba897e5f107a57776a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedba8d8a0ea3b2d8796b19a0b7f60613b66130f5b4dbdba897e5f107a57776a", kill_on_drop: false }`
[INFO] [stdout] fedba8d8a0ea3b2d8796b19a0b7f60613b66130f5b4dbdba897e5f107a57776a