[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmipli%2Fsudoku" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mipli/sudoku on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-5/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e05748c029e6f183a6e69cd4be3e24a188be98fc6ee307c06122f31e51780314
[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" "e05748c029e6f183a6e69cd4be3e24a188be98fc6ee307c06122f31e51780314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e05748c029e6f183a6e69cd4be3e24a188be98fc6ee307c06122f31e51780314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05748c029e6f183a6e69cd4be3e24a188be98fc6ee307c06122f31e51780314", kill_on_drop: false }`
[INFO] [stdout] e05748c029e6f183a6e69cd4be3e24a188be98fc6ee307c06122f31e51780314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2417e60f20b627230466981cc1d927ac606556c1dfd101c7180955ea0243cc0e
[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" "2417e60f20b627230466981cc1d927ac606556c1dfd101c7180955ea0243cc0e", kill_on_drop: false }`
[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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "2417e60f20b627230466981cc1d927ac606556c1dfd101c7180955ea0243cc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2417e60f20b627230466981cc1d927ac606556c1dfd101c7180955ea0243cc0e", kill_on_drop: false }`
[INFO] [stdout] 2417e60f20b627230466981cc1d927ac606556c1dfd101c7180955ea0243cc0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d30f3e274d9dde6e3ce5374a802b12905858f99638607f3e7570786ef7959fa
[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" "1d30f3e274d9dde6e3ce5374a802b12905858f99638607f3e7570786ef7959fa", 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] [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]    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 test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "1d30f3e274d9dde6e3ce5374a802b12905858f99638607f3e7570786ef7959fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d30f3e274d9dde6e3ce5374a802b12905858f99638607f3e7570786ef7959fa", kill_on_drop: false }`
[INFO] [stdout] 1d30f3e274d9dde6e3ce5374a802b12905858f99638607f3e7570786ef7959fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 945b12ca224e8fca24ae4c3f402bc11180097d15ed8ee3e97cb478dcd9aff8b0
[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" "945b12ca224e8fca24ae4c3f402bc11180097d15ed8ee3e97cb478dcd9aff8b0", 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku-1c2db4fc4e9eb6e1)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test grid::tests::grid_eliminate_to_known ... ok
[INFO] [stdout] test grid::tests::grid_eliminate_one ... ok
[INFO] [stdout] test grid::tests::bench_grid_with_assigned_row ... ok
[INFO] [stdout] test grid::tests::grid_get_lowest ... ok
[INFO] [stdout] test grid::tests::grid_not_solved ... ok
[INFO] [stdout] test grid::tests::grid_peers ... ok
[INFO] [stdout] test grid::tests::grid_from_string ... ok
[INFO] [stdout] test grid::tests::grid_with_assigned_row ... ok
[INFO] [stdout] test grid::tests::grid_with_assigned ... ok
[INFO] [stdout] test grid::tests::grid_solved ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cli-3ba6de1b11923d64)
[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 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - solve (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "945b12ca224e8fca24ae4c3f402bc11180097d15ed8ee3e97cb478dcd9aff8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945b12ca224e8fca24ae4c3f402bc11180097d15ed8ee3e97cb478dcd9aff8b0", kill_on_drop: false }`
[INFO] [stdout] 945b12ca224e8fca24ae4c3f402bc11180097d15ed8ee3e97cb478dcd9aff8b0