[INFO] cloning repository https://github.com/binarybana/sudok
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/binarybana/sudok" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fsudok", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fsudok'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6fa2f047974a83bf7c71b7f6b7f5e986ce2fc7a
[INFO] checking binarybana/sudok against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinarybana%2Fsudok" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binarybana/sudok on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/binarybana/sudok
[INFO] finished tweaking git repo https://github.com/binarybana/sudok
[INFO] tweaked toml for git repo https://github.com/binarybana/sudok written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/binarybana/sudok already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] b366274f54c74daec7d98d0b53c2b0d82b870c0f7d46e7d7733efb0bd0fba603
[INFO] running `Command { std: "docker" "start" "-a" "b366274f54c74daec7d98d0b53c2b0d82b870c0f7d46e7d7733efb0bd0fba603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b366274f54c74daec7d98d0b53c2b0d82b870c0f7d46e7d7733efb0bd0fba603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b366274f54c74daec7d98d0b53c2b0d82b870c0f7d46e7d7733efb0bd0fba603", kill_on_drop: false }`
[INFO] [stdout] b366274f54c74daec7d98d0b53c2b0d82b870c0f7d46e7d7733efb0bd0fba603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3126e0eb316a2ab1079e3aac79dfd8d1abf3cf0f534005afa3b7b05a67e0d610
[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" "3126e0eb316a2ab1079e3aac79dfd8d1abf3cf0f534005afa3b7b05a67e0d610", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking sudok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     static ref NEIGHBORS: Vec<Vec<usize>> = {
[INFO] [stdout] 18 | |         let mut v = Vec::with_capacity(81);
[INFO] [stdout] 19 | |         for i in 0..81 {
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     };
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     static ref NEIGHBORS: Vec<Vec<usize>> = {
[INFO] [stdout] 18 | |         let mut v = Vec::with_capacity(81);
[INFO] [stdout] 19 | |         for i in 0..81 {
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     };
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `singleton`
[INFO] [stdout]  --> src/bitcube.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn singleton(val: usize) -> Cell {
[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: `set`
[INFO] [stdout]   --> src/bitcube.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn set(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "3126e0eb316a2ab1079e3aac79dfd8d1abf3cf0f534005afa3b7b05a67e0d610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3126e0eb316a2ab1079e3aac79dfd8d1abf3cf0f534005afa3b7b05a67e0d610", kill_on_drop: false }`
[INFO] [stdout] 3126e0eb316a2ab1079e3aac79dfd8d1abf3cf0f534005afa3b7b05a67e0d610