[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmipli%2Fsudoku" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mipli/sudoku on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-101/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae000a0eec4c835b1b94c069f05b05c6044eeba6c0a7b53c93a577e31037f2e7
[INFO] running `Command { std: "docker" "start" "-a" "ae000a0eec4c835b1b94c069f05b05c6044eeba6c0a7b53c93a577e31037f2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae000a0eec4c835b1b94c069f05b05c6044eeba6c0a7b53c93a577e31037f2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae000a0eec4c835b1b94c069f05b05c6044eeba6c0a7b53c93a577e31037f2e7", kill_on_drop: false }`
[INFO] [stdout] ae000a0eec4c835b1b94c069f05b05c6044eeba6c0a7b53c93a577e31037f2e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d401f0667c062345f24bc27e53acbe761662a2abc41f26be27f4bd9592e3a616
[INFO] running `Command { std: "docker" "start" "-a" "d401f0667c062345f24bc27e53acbe761662a2abc41f26be27f4bd9592e3a616", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "d401f0667c062345f24bc27e53acbe761662a2abc41f26be27f4bd9592e3a616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d401f0667c062345f24bc27e53acbe761662a2abc41f26be27f4bd9592e3a616", kill_on_drop: false }`
[INFO] [stdout] d401f0667c062345f24bc27e53acbe761662a2abc41f26be27f4bd9592e3a616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d53fd12d0c3fdf4d1be9ad1f67b2b896c4264d583103d35fb0a415015e7036c
[INFO] running `Command { std: "docker" "start" "-a" "6d53fd12d0c3fdf4d1be9ad1f67b2b896c4264d583103d35fb0a415015e7036c", kill_on_drop: false }`
[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] [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: 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: 3 warnings emitted
[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: `#[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "6d53fd12d0c3fdf4d1be9ad1f67b2b896c4264d583103d35fb0a415015e7036c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d53fd12d0c3fdf4d1be9ad1f67b2b896c4264d583103d35fb0a415015e7036c", kill_on_drop: false }`
[INFO] [stdout] 6d53fd12d0c3fdf4d1be9ad1f67b2b896c4264d583103d35fb0a415015e7036c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59a034ab9615a57dafbbf7d8d8cec74f58e19d06a6b7a8bc633f36b82bd01f2f
[INFO] running `Command { std: "docker" "start" "-a" "59a034ab9615a57dafbbf7d8d8cec74f58e19d06a6b7a8bc633f36b82bd01f2f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/cell.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / bitflags! {
[INFO] [stderr] 4  | |     pub struct Value: u32 {
[INFO] [stderr] 5  | |         const ONE = 0b0_0000_0001;
[INFO] [stderr] 6  | |         const TWO = 0b0_0000_0010;
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/cell.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / bitflags! {
[INFO] [stderr] 4  | |     pub struct Value: u32 {
[INFO] [stderr] 5  | |         const ONE = 0b0_0000_0001;
[INFO] [stderr] 6  | |         const TWO = 0b0_0000_0010;
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (lib) generated 3 warnings (1 duplicate)
[INFO] [stderr] warning: `sudoku` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-1c2db4fc4e9eb6e1)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test grid::tests::grid_eliminate_to_known ... ok
[INFO] [stdout] test grid::tests::bench_grid_with_assigned_row ... ok
[INFO] [stdout] test grid::tests::grid_eliminate_one ... ok
[INFO] [stdout] test grid::tests::grid_get_lowest ... ok
[INFO] [stdout] test grid::tests::grid_from_string ... ok
[INFO] [stdout] test grid::tests::grid_not_solved ... ok
[INFO] [stdout] test grid::tests::grid_peers ... ok
[INFO] [stdout] test grid::tests::grid_with_assigned ... ok
[INFO] [stdout] test grid::tests::grid_with_assigned_row ... ok
[INFO] [stdout] test grid::tests::grid_solved ... ok
[INFO] [stdout] test tests::bench_solve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cli-3ba6de1b11923d64)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - solve (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59a034ab9615a57dafbbf7d8d8cec74f58e19d06a6b7a8bc633f36b82bd01f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a034ab9615a57dafbbf7d8d8cec74f58e19d06a6b7a8bc633f36b82bd01f2f", kill_on_drop: false }`
[INFO] [stdout] 59a034ab9615a57dafbbf7d8d8cec74f58e19d06a6b7a8bc633f36b82bd01f2f