[INFO] cloning repository https://github.com/quentm74/nonogram-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quentm74/nonogram-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquentm74%2Fnonogram-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquentm74%2Fnonogram-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab97676a6b83cfd69b7fd2562a56175e47ee7c94
[INFO] testing quentm74/nonogram-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquentm74%2Fnonogram-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quentm74/nonogram-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quentm74/nonogram-rs
[INFO] finished tweaking git repo https://github.com/quentm74/nonogram-rs
[INFO] tweaked toml for git repo https://github.com/quentm74/nonogram-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/quentm74/nonogram-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.31
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded wasi v0.5.0
[INFO] [stderr]   Downloaded getrandom v0.1.10
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2952c922a5cf108cd15d5e15dbf4b74000222fd6e08f89629b3f7c9835172c93
[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" "2952c922a5cf108cd15d5e15dbf4b74000222fd6e08f89629b3f7c9835172c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2952c922a5cf108cd15d5e15dbf4b74000222fd6e08f89629b3f7c9835172c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2952c922a5cf108cd15d5e15dbf4b74000222fd6e08f89629b3f7c9835172c93", kill_on_drop: false }`
[INFO] [stdout] 2952c922a5cf108cd15d5e15dbf4b74000222fd6e08f89629b3f7c9835172c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5e43fffa061dbcc76674d6f28d0f41b7efe9dc9a27298640784aa42e306dbf
[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" "2f5e43fffa061dbcc76674d6f28d0f41b7efe9dc9a27298640784aa42e306dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling nonogram-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `indications_max_char_space_needed_rows`
[INFO] [stdout]   --> src/draw.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub indications_max_char_space_needed_rows: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `indications_max_char_space_needed_columns`
[INFO] [stdout]   --> src/draw.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub indications_max_char_space_needed_columns: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "2f5e43fffa061dbcc76674d6f28d0f41b7efe9dc9a27298640784aa42e306dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5e43fffa061dbcc76674d6f28d0f41b7efe9dc9a27298640784aa42e306dbf", kill_on_drop: false }`
[INFO] [stdout] 2f5e43fffa061dbcc76674d6f28d0f41b7efe9dc9a27298640784aa42e306dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", 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] d6ac816f452fa4ead842d60398e857357bfe3e429ac3418dca1c3d2a7723092a
[INFO] running `Command { std: "docker" "start" "-a" "d6ac816f452fa4ead842d60398e857357bfe3e429ac3418dca1c3d2a7723092a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nonogram-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `indications_max_char_space_needed_rows`
[INFO] [stdout]   --> src/draw.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub indications_max_char_space_needed_rows: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `indications_max_char_space_needed_columns`
[INFO] [stdout]   --> src/draw.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub indications_max_char_space_needed_columns: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "d6ac816f452fa4ead842d60398e857357bfe3e429ac3418dca1c3d2a7723092a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ac816f452fa4ead842d60398e857357bfe3e429ac3418dca1c3d2a7723092a", kill_on_drop: false }`
[INFO] [stdout] d6ac816f452fa4ead842d60398e857357bfe3e429ac3418dca1c3d2a7723092a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8dcf96e65f928a3196fc34a6f112f448c007a2ebcfd760844949c2e0df44343
[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" "e8dcf96e65f928a3196fc34a6f112f448c007a2ebcfd760844949c2e0df44343", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `indications_max_char_space_needed_rows`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/draw.rs:44:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 44 |     pub indications_max_char_space_needed_rows: usize,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `indications_max_char_space_needed_columns`
[INFO] [stderr]   --> src/draw.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub indications_max_char_space_needed_columns: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nonogram-rs` (bin "nonogram-rs" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonogram_rs-07e64056492e52b9)
[INFO] running `Command { std: "docker" "inspect" "e8dcf96e65f928a3196fc34a6f112f448c007a2ebcfd760844949c2e0df44343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dcf96e65f928a3196fc34a6f112f448c007a2ebcfd760844949c2e0df44343", kill_on_drop: false }`
[INFO] [stdout] e8dcf96e65f928a3196fc34a6f112f448c007a2ebcfd760844949c2e0df44343