[INFO] cloning repository https://github.com/cyrilguerard/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyrilguerard/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrilguerard%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrilguerard%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 595c924159f9ef458b7e12e5bb6bedb06b4e78be
[INFO] checking cyrilguerard/sudoku/595c924159f9ef458b7e12e5bb6bedb06b4e78be against master#3c9faa0d037b9eecda4a440cc482ff7f960fb8a5 for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyrilguerard%2Fsudoku" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cyrilguerard/sudoku
[INFO] finished tweaking git repo https://github.com/cyrilguerard/sudoku
[INFO] tweaked toml for git repo https://github.com/cyrilguerard/sudoku written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cyrilguerard/sudoku on toolchain 3c9faa0d037b9eecda4a440cc482ff7f960fb8a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cyrilguerard/sudoku 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" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitmask v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 361a806a4802b859b05cba85d646d4acf9b3ebe780b2243241cf6c9e42d575d7
[INFO] running `Command { std: "docker" "start" "-a" "361a806a4802b859b05cba85d646d4acf9b3ebe780b2243241cf6c9e42d575d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361a806a4802b859b05cba85d646d4acf9b3ebe780b2243241cf6c9e42d575d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361a806a4802b859b05cba85d646d4acf9b3ebe780b2243241cf6c9e42d575d7", kill_on_drop: false }`
[INFO] [stdout] 361a806a4802b859b05cba85d646d4acf9b3ebe780b2243241cf6c9e42d575d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3c9faa0d037b9eecda4a440cc482ff7f960fb8a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 187533e40f633a6570a1d1b23a3b6ba7d66e39fd895a43dfb2cf23ee4cba26df
[INFO] running `Command { std: "docker" "start" "-a" "187533e40f633a6570a1d1b23a3b6ba7d66e39fd895a43dfb2cf23ee4cba26df", kill_on_drop: false }`
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking libc v0.2.93
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/board.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / bitmask! {
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |     mask FreeNumberMask: u16 where flags FreeNumberFlags {
[INFO] [stdout] 12 | |         _0 = 0, // unused to easy index
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `bitmask` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `bitmask` may come from an old version of the `bitmask` crate, try updating your dependency with `cargo update -p bitmask`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitmask` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/board.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / bitmask! {
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |     mask FreeNumberMask: u16 where flags FreeNumberFlags {
[INFO] [stdout] 12 | |         _0 = 0, // unused to easy index
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `bitmask` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `bitmask` may come from an old version of the `bitmask` crate, try updating your dependency with `cargo update -p bitmask`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitmask` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/board.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / bitmask! {
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |     mask FreeNumberMask: u16 where flags FreeNumberFlags {
[INFO] [stdout] 12 | |         _0 = 0, // unused to easy index
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `bitmask` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `bitmask` may come from an old version of the `bitmask` crate, try updating your dependency with `cargo update -p bitmask`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `bitmask` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/board.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / bitmask! {
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |     mask FreeNumberMask: u16 where flags FreeNumberFlags {
[INFO] [stdout] 12 | |         _0 = 0, // unused to easy index
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `bitmask` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `bitmask` may come from an old version of the `bitmask` crate, try updating your dependency with `cargo update -p bitmask`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `bitmask` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "187533e40f633a6570a1d1b23a3b6ba7d66e39fd895a43dfb2cf23ee4cba26df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187533e40f633a6570a1d1b23a3b6ba7d66e39fd895a43dfb2cf23ee4cba26df", kill_on_drop: false }`
[INFO] [stdout] 187533e40f633a6570a1d1b23a3b6ba7d66e39fd895a43dfb2cf23ee4cba26df
