[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 try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaderNoob%2Fnonogram-solver" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MaderNoob/nonogram-solver on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-4/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: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.120 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d129e649408d351ced9b0723c5ca85d68d7012b7a002c084952191fc65110bee [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" "d129e649408d351ced9b0723c5ca85d68d7012b7a002c084952191fc65110bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d129e649408d351ced9b0723c5ca85d68d7012b7a002c084952191fc65110bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d129e649408d351ced9b0723c5ca85d68d7012b7a002c084952191fc65110bee", kill_on_drop: false }` [INFO] [stdout] d129e649408d351ced9b0723c5ca85d68d7012b7a002c084952191fc65110bee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70740701aea08d623b5279cfeb408f25fbbab5d455fce4c01473eb14f5cb9fdc [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" "70740701aea08d623b5279cfeb408f25fbbab5d455fce4c01473eb14f5cb9fdc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.120 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling serde v1.0.120 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking array2d v0.2.1 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking log v0.4.13 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking sha-1 v0.8.2 [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 time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking websocket-base v0.26.2 [INFO] [stderr] Checking url v1.7.2 [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 is never used: `new` [INFO] [stdout] --> src/solver.rs:25:12 [INFO] [stdout] | [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: associated function is never used: `construct_board_from_columns` [INFO] [stdout] --> src/solver.rs:388:8 [INFO] [stdout] | [INFO] [stdout] 388 | fn construct_board_from_columns(&self) -> Array2D { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solver.rs:25:12 [INFO] [stdout] | [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: associated function is never used: `construct_board_from_columns` [INFO] [stdout] --> src/solver.rs:388:8 [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.02s [INFO] running `Command { std: "docker" "inspect" "70740701aea08d623b5279cfeb408f25fbbab5d455fce4c01473eb14f5cb9fdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70740701aea08d623b5279cfeb408f25fbbab5d455fce4c01473eb14f5cb9fdc", kill_on_drop: false }` [INFO] [stdout] 70740701aea08d623b5279cfeb408f25fbbab5d455fce4c01473eb14f5cb9fdc