[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] building maurocordioli/rs-sudoku against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaurocordioli%2Frs-sudoku" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maurocordioli/rs-sudoku on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9c8901d89b0d8464dbf4b1d98a975fa9b950acb3f55d35331224d05cea1909
[INFO] running `Command { std: "docker" "start" "-a" "cd9c8901d89b0d8464dbf4b1d98a975fa9b950acb3f55d35331224d05cea1909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9c8901d89b0d8464dbf4b1d98a975fa9b950acb3f55d35331224d05cea1909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9c8901d89b0d8464dbf4b1d98a975fa9b950acb3f55d35331224d05cea1909", kill_on_drop: false }`
[INFO] [stdout] cd9c8901d89b0d8464dbf4b1d98a975fa9b950acb3f55d35331224d05cea1909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4f323948079632059c7e00f7db6403814c31ede4d8dd0b03b26116ab315df2d
[INFO] running `Command { std: "docker" "start" "-a" "b4f323948079632059c7e00f7db6403814c31ede4d8dd0b03b26116ab315df2d", 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] 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: field `size` is never read
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Config {  size: usize  }
[INFO] [stdout]   |            ------    ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "b4f323948079632059c7e00f7db6403814c31ede4d8dd0b03b26116ab315df2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f323948079632059c7e00f7db6403814c31ede4d8dd0b03b26116ab315df2d", kill_on_drop: false }`
[INFO] [stdout] b4f323948079632059c7e00f7db6403814c31ede4d8dd0b03b26116ab315df2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5825b0484cf1035aea6c2350bdf3d884766583b4f3dd759f17e673aa2aa09fd2
[INFO] running `Command { std: "docker" "start" "-a" "5825b0484cf1035aea6c2350bdf3d884766583b4f3dd759f17e673aa2aa09fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[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 itertools v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling walkdir v2.2.7
[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] 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: field `size` is never read
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Config {  size: usize  }
[INFO] [stdout]   |            ------    ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.5
[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] 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: field `size` is never read
[INFO] [stdout]  --> src/lib.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Config {  size: usize  }
[INFO] [stdout]   |            ------    ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5825b0484cf1035aea6c2350bdf3d884766583b4f3dd759f17e673aa2aa09fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5825b0484cf1035aea6c2350bdf3d884766583b4f3dd759f17e673aa2aa09fd2", kill_on_drop: false }`
[INFO] [stdout] 5825b0484cf1035aea6c2350bdf3d884766583b4f3dd759f17e673aa2aa09fd2
