[INFO] cloning repository https://github.com/MaderNoob/nonogram-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaderNoob/nonogram-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fnonogram-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fnonogram-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89884cfc9f60e19a3e2c2202b2d7252b49643e55 [INFO] checking MaderNoob/nonogram-solver against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fnonogram-solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MaderNoob/nonogram-solver on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MaderNoob/nonogram-solver [INFO] finished tweaking git repo https://github.com/MaderNoob/nonogram-solver [INFO] tweaked toml for git repo https://github.com/MaderNoob/nonogram-solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MaderNoob/nonogram-solver 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded websocket v0.26.2 [INFO] [stderr] Downloaded websocket-base v0.26.2 [INFO] [stderr] Downloaded array2d v0.2.1 [INFO] [stderr] Downloaded serde_derive v1.0.120 [INFO] [stderr] Downloaded serde v1.0.120 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57528e0ae3a4f929b9aa2267ce08ca2637096fce4445a0161b3dab551b0e34c0 [INFO] running `Command { std: "docker" "start" "-a" "57528e0ae3a4f929b9aa2267ce08ca2637096fce4445a0161b3dab551b0e34c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57528e0ae3a4f929b9aa2267ce08ca2637096fce4445a0161b3dab551b0e34c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57528e0ae3a4f929b9aa2267ce08ca2637096fce4445a0161b3dab551b0e34c0", kill_on_drop: false }` [INFO] [stdout] 57528e0ae3a4f929b9aa2267ce08ca2637096fce4445a0161b3dab551b0e34c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc160a75a5825011b9e0f2d39b1aac00ab7d129be3f05dd674408ad887b60e1d [INFO] running `Command { std: "docker" "start" "-a" "dc160a75a5825011b9e0f2d39b1aac00ab7d129be3f05dd674408ad887b60e1d", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking array2d v0.2.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking websocket-base v0.26.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking websocket v0.26.2 [INFO] [stderr] Checking first_try v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> src/solver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TcpListener`, `io::Read` [INFO] [stdout] --> src/solver.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | io::Read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::__private::ser` [INFO] [stdout] --> src/solver.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde::__private::ser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Server`, `server::NoTlsAcceptor` [INFO] [stdout] --> src/solver.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | server::NoTlsAcceptor, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | sync::{Client, Server}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> src/solver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TcpListener`, `io::Read` [INFO] [stdout] --> src/solver.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | io::Read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::__private::ser` [INFO] [stdout] --> src/solver.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde::__private::ser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Server`, `server::NoTlsAcceptor` [INFO] [stdout] --> src/solver.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | server::NoTlsAcceptor, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | sync::{Client, Server}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/solver.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl ColumnBlockState { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 25 | pub fn new() -> ColumnBlockState { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `construct_board_from_columns` is never used [INFO] [stdout] --> src/solver.rs:388:8 [INFO] [stdout] | [INFO] [stdout] 206 | impl PuzzleSolver { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 388 | fn construct_board_from_columns(&self) -> Array2D { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/solver.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl ColumnBlockState { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 25 | pub fn new() -> ColumnBlockState { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `construct_board_from_columns` is never used [INFO] [stdout] --> src/solver.rs:388:8 [INFO] [stdout] | [INFO] [stdout] 206 | impl PuzzleSolver { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 388 | fn construct_board_from_columns(&self) -> Array2D { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "dc160a75a5825011b9e0f2d39b1aac00ab7d129be3f05dd674408ad887b60e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc160a75a5825011b9e0f2d39b1aac00ab7d129be3f05dd674408ad887b60e1d", kill_on_drop: false }` [INFO] [stdout] dc160a75a5825011b9e0f2d39b1aac00ab7d129be3f05dd674408ad887b60e1d [INFO] checking MaderNoob/nonogram-solver against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fnonogram-solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MaderNoob/nonogram-solver on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MaderNoob/nonogram-solver [INFO] finished tweaking git repo https://github.com/MaderNoob/nonogram-solver [INFO] tweaked toml for git repo https://github.com/MaderNoob/nonogram-solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MaderNoob/nonogram-solver 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08175205dbe94446a82c13e829fa8a90491a99151f31c60cff39993457639273 [INFO] running `Command { std: "docker" "start" "-a" "08175205dbe94446a82c13e829fa8a90491a99151f31c60cff39993457639273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08175205dbe94446a82c13e829fa8a90491a99151f31c60cff39993457639273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08175205dbe94446a82c13e829fa8a90491a99151f31c60cff39993457639273", kill_on_drop: false }` [INFO] [stdout] 08175205dbe94446a82c13e829fa8a90491a99151f31c60cff39993457639273 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd41c76ece731c98a70e8263c4e8bf18bac092e2ca3e3e035366564fb2e96f02 [INFO] running `Command { std: "docker" "start" "-a" "dd41c76ece731c98a70e8263c4e8bf18bac092e2ca3e3e035366564fb2e96f02", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking array2d v0.2.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking websocket-base v0.26.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking websocket v0.26.2 [INFO] [stderr] Checking first_try v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> src/solver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TcpListener`, `io::Read` [INFO] [stdout] --> src/solver.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | io::Read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::__private::ser` [INFO] [stdout] --> src/solver.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde::__private::ser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Server`, `server::NoTlsAcceptor` [INFO] [stdout] --> src/solver.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | server::NoTlsAcceptor, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | sync::{Client, Server}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> src/solver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TcpListener`, `io::Read` [INFO] [stdout] --> src/solver.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | io::Read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::__private::ser` [INFO] [stdout] --> src/solver.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde::__private::ser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Server`, `server::NoTlsAcceptor` [INFO] [stdout] --> src/solver.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | server::NoTlsAcceptor, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 11 | sync::{Client, Server}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/solver.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl ColumnBlockState { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 25 | pub fn new() -> ColumnBlockState { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `construct_board_from_columns` is never used [INFO] [stdout] --> src/solver.rs:388:8 [INFO] [stdout] | [INFO] [stdout] 206 | impl PuzzleSolver { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 388 | fn construct_board_from_columns(&self) -> Array2D { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/solver.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl ColumnBlockState { [INFO] [stdout] | --------------------- associated function in this implementation [INFO] [stdout] 25 | pub fn new() -> ColumnBlockState { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `construct_board_from_columns` is never used [INFO] [stdout] --> src/solver.rs:388:8 [INFO] [stdout] | [INFO] [stdout] 206 | impl PuzzleSolver { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 388 | fn construct_board_from_columns(&self) -> Array2D { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "dd41c76ece731c98a70e8263c4e8bf18bac092e2ca3e3e035366564fb2e96f02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd41c76ece731c98a70e8263c4e8bf18bac092e2ca3e3e035366564fb2e96f02", kill_on_drop: false }` [INFO] [stdout] dd41c76ece731c98a70e8263c4e8bf18bac092e2ca3e3e035366564fb2e96f02