[INFO] cloning repository https://github.com/maurocordioli/rs-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maurocordioli/rs-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51339a2bb6dd294e4d98a8e5d15697af28ec9b7
[INFO] testing maurocordioli/rs-sudoku against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maurocordioli/rs-sudoku on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maurocordioli/rs-sudoku
[INFO] finished tweaking git repo https://github.com/maurocordioli/rs-sudoku
[INFO] tweaked toml for git repo https://github.com/maurocordioli/rs-sudoku written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/maurocordioli/rs-sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b810c09cf1548753e86314f60023109d87ee9e522197b9ce114a9f4507393100
[INFO] running `Command { std: "docker" "start" "-a" "b810c09cf1548753e86314f60023109d87ee9e522197b9ce114a9f4507393100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b810c09cf1548753e86314f60023109d87ee9e522197b9ce114a9f4507393100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b810c09cf1548753e86314f60023109d87ee9e522197b9ce114a9f4507393100", kill_on_drop: false }`
[INFO] [stdout] b810c09cf1548753e86314f60023109d87ee9e522197b9ce114a9f4507393100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af86c1cf2c563d211a187fd25bacf7a906f7c4a8c74df8b0e96ae06dbaee3929
[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" "af86c1cf2c563d211a187fd25bacf7a906f7c4a8c74df8b0e96ae06dbaee3929", kill_on_drop: false }`
[INFO] [stderr]    Compiling rssudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:305:2
[INFO] [stdout]     |
[INFO] [stdout] 269 | /     loop {
[INFO] [stdout] 270 | |
[INFO] [stdout] 271 | |      for (t,v) in touched.into_iter().enumerate() {
[INFO] [stdout] 272 | |          if !v { continue;}
[INFO] [stdout] ...   |
[INFO] [stdout] 300 | |
[INFO] [stdout] 301 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 305 |       ass
[INFO] [stdout]     |       ^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "af86c1cf2c563d211a187fd25bacf7a906f7c4a8c74df8b0e96ae06dbaee3929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af86c1cf2c563d211a187fd25bacf7a906f7c4a8c74df8b0e96ae06dbaee3929", kill_on_drop: false }`
[INFO] [stdout] af86c1cf2c563d211a187fd25bacf7a906f7c4a8c74df8b0e96ae06dbaee3929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5fa9295efd544c8a4242a6432aaab804deb686381cb6cc538fa48b695af3f0
[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" "cb5fa9295efd544c8a4242a6432aaab804deb686381cb6cc538fa48b695af3f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:305:2
[INFO] [stdout]     |
[INFO] [stdout] 269 | /     loop {
[INFO] [stdout] 270 | |
[INFO] [stdout] 271 | |      for (t,v) in touched.into_iter().enumerate() {
[INFO] [stdout] 272 | |          if !v { continue;}
[INFO] [stdout] ...   |
[INFO] [stdout] 300 | |
[INFO] [stdout] 301 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 305 |       ass
[INFO] [stdout]     |       ^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling tinytemplate v1.0.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling rssudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:305:2
[INFO] [stdout]     |
[INFO] [stdout] 269 | /     loop {
[INFO] [stdout] 270 | |
[INFO] [stdout] 271 | |      for (t,v) in touched.into_iter().enumerate() {
[INFO] [stdout] 272 | |          if !v { continue;}
[INFO] [stdout] ...   |
[INFO] [stdout] 300 | |
[INFO] [stdout] 301 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 305 |       ass
[INFO] [stdout]     |       ^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "cb5fa9295efd544c8a4242a6432aaab804deb686381cb6cc538fa48b695af3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5fa9295efd544c8a4242a6432aaab804deb686381cb6cc538fa48b695af3f0", kill_on_drop: false }`
[INFO] [stdout] cb5fa9295efd544c8a4242a6432aaab804deb686381cb6cc538fa48b695af3f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee2007a19ebc4b01018c51af4332223304b39f4db144825fe5737cdd7eb204f7
[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" "ee2007a19ebc4b01018c51af4332223304b39f4db144825fe5737cdd7eb204f7", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:305:2
[INFO] [stderr]     |
[INFO] [stderr] 269 | /     loop {
[INFO] [stderr] 270 | |
[INFO] [stderr] 271 | |      for (t,v) in touched.into_iter().enumerate() {
[INFO] [stderr] 272 | |          if !v { continue;}
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | |
[INFO] [stderr] 301 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 305 |       ass
[INFO] [stderr]     |       ^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:305:2
[INFO] [stderr]     |
[INFO] [stderr] 269 | /     loop {
[INFO] [stderr] 270 | |
[INFO] [stderr] 271 | |      for (t,v) in touched.into_iter().enumerate() {
[INFO] [stderr] 272 | |          if !v { continue;}
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | |
[INFO] [stderr] 301 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 305 |       ass
[INFO] [stderr]     |       ^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rssudoku-b7d1890c03681ad9)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_alternatives ... ok
[INFO] [stdout] test test_isvalid_block ... ok
[INFO] [stdout] test test_make_assumptions ... ok
[INFO] [stdout] test test_isvalid ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rssudoku-12809fe5668e5f92)
[INFO] [stdout] test test_solve ... ok
[INFO] [stderr]    Doc-tests rssudoku
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[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 1 test
[INFO] [stdout] test src/lib.rs - Board::solve (line 344) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee2007a19ebc4b01018c51af4332223304b39f4db144825fe5737cdd7eb204f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2007a19ebc4b01018c51af4332223304b39f4db144825fe5737cdd7eb204f7", kill_on_drop: false }`
[INFO] [stdout] ee2007a19ebc4b01018c51af4332223304b39f4db144825fe5737cdd7eb204f7