[INFO] cloning repository https://github.com/maximilian-heeg/sudoku-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maximilian-heeg/sudoku-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximilian-heeg%2Fsudoku-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximilian-heeg%2Fsudoku-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cad61a419bdade5ee945ea1a1d75dea909e3bc0
[INFO] checking maximilian-heeg/sudoku-rust against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximilian-heeg%2Fsudoku-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maximilian-heeg/sudoku-rust
[INFO] finished tweaking git repo https://github.com/maximilian-heeg/sudoku-rust
[INFO] tweaked toml for git repo https://github.com/maximilian-heeg/sudoku-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maximilian-heeg/sudoku-rust on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maximilian-heeg/sudoku-rust 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed18101ececc233ad08a0c033bf6ca3edc72e1afd44f9d6f4e2afc3418b316db
[INFO] running `Command { std: "docker" "start" "-a" "ed18101ececc233ad08a0c033bf6ca3edc72e1afd44f9d6f4e2afc3418b316db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed18101ececc233ad08a0c033bf6ca3edc72e1afd44f9d6f4e2afc3418b316db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed18101ececc233ad08a0c033bf6ca3edc72e1afd44f9d6f4e2afc3418b316db", kill_on_drop: false }`
[INFO] [stdout] ed18101ececc233ad08a0c033bf6ca3edc72e1afd44f9d6f4e2afc3418b316db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9fd18c6fd6473365c3ef2674bac47470f889ff50ef3fc41368ee803a676c59
[INFO] running `Command { std: "docker" "start" "-a" "2a9fd18c6fd6473365c3ef2674bac47470f889ff50ef3fc41368ee803a676c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking indicatif v0.17.3
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 &self.fields[(row * 9)],
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -                 &self.fields[(row * 9)],
[INFO] [stdout] 158 +                 &self.fields[row * 9],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stdout] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stdout] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stdout] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stdout] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stdout] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stdout] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stdout] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:166:30
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stdout] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 &self.fields[(row * 9)],
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -                 &self.fields[(row * 9)],
[INFO] [stdout] 158 +                 &self.fields[row * 9],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 &self.fields[(row * 9 + 1)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -                 &self.fields[(row * 9 + 1)],
[INFO] [stdout] 159 +                 &self.fields[row * 9 + 1],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:160:30
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 &self.fields[(row * 9 + 2)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -                 &self.fields[(row * 9 + 2)],
[INFO] [stdout] 160 +                 &self.fields[row * 9 + 2],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 &self.fields[(row * 9 + 3)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -                 &self.fields[(row * 9 + 3)],
[INFO] [stdout] 161 +                 &self.fields[row * 9 + 3],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:162:30
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 &self.fields[(row * 9 + 4)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 &self.fields[(row * 9 + 4)],
[INFO] [stdout] 162 +                 &self.fields[row * 9 + 4],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 &self.fields[(row * 9 + 5)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 &self.fields[(row * 9 + 5)],
[INFO] [stdout] 163 +                 &self.fields[row * 9 + 5],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:164:30
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 &self.fields[(row * 9 + 6)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -                 &self.fields[(row * 9 + 6)],
[INFO] [stdout] 164 +                 &self.fields[row * 9 + 6],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 &self.fields[(row * 9 + 7)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 &self.fields[(row * 9 + 7)],
[INFO] [stdout] 165 +                 &self.fields[row * 9 + 7],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/lib.rs:166:30
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 &self.fields[(row * 9 + 8)],
[INFO] [stdout]     |                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                 &self.fields[(row * 9 + 8)],
[INFO] [stdout] 166 +                 &self.fields[row * 9 + 8],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaPMphIv"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku` (bin "sudoku") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a9fd18c6fd6473365c3ef2674bac47470f889ff50ef3fc41368ee803a676c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9fd18c6fd6473365c3ef2674bac47470f889ff50ef3fc41368ee803a676c59", kill_on_drop: false }`
[INFO] [stdout] 2a9fd18c6fd6473365c3ef2674bac47470f889ff50ef3fc41368ee803a676c59
