[INFO] fetching crate sodoku 0.0.1...
[INFO] testing sodoku-0.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate sodoku 0.0.1 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate sodoku 0.0.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sodoku 0.0.1
[INFO] finished tweaking crates.io crate sodoku 0.0.1
[INFO] tweaked toml for crates.io crate sodoku 0.0.1 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate sodoku 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dc05f9d373d628db37ff237da3fee700f4d9a74205169fb4be94d7bf3800895
[INFO] running `Command { std: "docker" "start" "-a" "0dc05f9d373d628db37ff237da3fee700f4d9a74205169fb4be94d7bf3800895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dc05f9d373d628db37ff237da3fee700f4d9a74205169fb4be94d7bf3800895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc05f9d373d628db37ff237da3fee700f4d9a74205169fb4be94d7bf3800895", kill_on_drop: false }`
[INFO] [stdout] 0dc05f9d373d628db37ff237da3fee700f4d9a74205169fb4be94d7bf3800895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd7e76d8132b0375da156e8f9b054b6f59cca13bb8d7bba6c44f55f3e21d75d
[INFO] running `Command { std: "docker" "start" "-a" "4bd7e76d8132b0375da156e8f9b054b6f59cca13bb8d7bba6c44f55f3e21d75d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sodoku v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "4bd7e76d8132b0375da156e8f9b054b6f59cca13bb8d7bba6c44f55f3e21d75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd7e76d8132b0375da156e8f9b054b6f59cca13bb8d7bba6c44f55f3e21d75d", kill_on_drop: false }`
[INFO] [stdout] 4bd7e76d8132b0375da156e8f9b054b6f59cca13bb8d7bba6c44f55f3e21d75d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be4d7f8cabf09789c7c7f8406a67588bacccee59c38d5a1b03e3fc8abf6efef1
[INFO] running `Command { std: "docker" "start" "-a" "be4d7f8cabf09789c7c7f8406a67588bacccee59c38d5a1b03e3fc8abf6efef1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sodoku v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 16.53s
[INFO] running `Command { std: "docker" "inspect" "be4d7f8cabf09789c7c7f8406a67588bacccee59c38d5a1b03e3fc8abf6efef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4d7f8cabf09789c7c7f8406a67588bacccee59c38d5a1b03e3fc8abf6efef1", kill_on_drop: false }`
[INFO] [stdout] be4d7f8cabf09789c7c7f8406a67588bacccee59c38d5a1b03e3fc8abf6efef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b93a87a0a868509f3bbcc21b5413ebe049f772a08d3dc971ca3dff3cdbd300bd
[INFO] running `Command { std: "docker" "start" "-a" "b93a87a0a868509f3bbcc21b5413ebe049f772a08d3dc971ca3dff3cdbd300bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]   --> src/dec.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sodoku` (lib) generated 1 warning
[INFO] [stderr] warning: `sodoku` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sodoku-912880f3739b226c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sodoku-34300616511562fa)
[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 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] [stderr]    Doc-tests sodoku
[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] running `Command { std: "docker" "inspect" "b93a87a0a868509f3bbcc21b5413ebe049f772a08d3dc971ca3dff3cdbd300bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93a87a0a868509f3bbcc21b5413ebe049f772a08d3dc971ca3dff3cdbd300bd", kill_on_drop: false }`
[INFO] [stdout] b93a87a0a868509f3bbcc21b5413ebe049f772a08d3dc971ca3dff3cdbd300bd