[INFO] cloning repository https://github.com/DavideCanton/dancing_links
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavideCanton/dancing_links" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90374a785fc516da05cf68f5178af3699d0fb329
[INFO] checking DavideCanton/dancing_links against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavideCanton%2Fdancing_links" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DavideCanton/dancing_links
[INFO] finished tweaking git repo https://github.com/DavideCanton/dancing_links
[INFO] tweaked toml for git repo https://github.com/DavideCanton/dancing_links written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DavideCanton/dancing_links on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DavideCanton/dancing_links 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v2.1.2
[INFO] [stderr]   Downloaded logging_timer_proc_macros v1.1.1
[INFO] [stderr]   Downloaded test-case-core v3.3.1
[INFO] [stderr]   Downloaded test-case-macros v3.3.1
[INFO] [stderr]   Downloaded simple_logger v5.0.0
[INFO] [stderr]   Downloaded logging_timer v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cec9e3df9e1f2bb36eca325dc1372f1f6da9af2aa372fc89994b988f3990f88f
[INFO] running `Command { std: "docker" "start" "-a" "cec9e3df9e1f2bb36eca325dc1372f1f6da9af2aa372fc89994b988f3990f88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec9e3df9e1f2bb36eca325dc1372f1f6da9af2aa372fc89994b988f3990f88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec9e3df9e1f2bb36eca325dc1372f1f6da9af2aa372fc89994b988f3990f88f", kill_on_drop: false }`
[INFO] [stdout] cec9e3df9e1f2bb36eca325dc1372f1f6da9af2aa372fc89994b988f3990f88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a6625d61c2764f9cb1a0ad487fbc04bb71e47f8bd063a9a760081cd52a02adc
[INFO] running `Command { std: "docker" "start" "-a" "8a6625d61c2764f9cb1a0ad487fbc04bb71e47f8bd063a9a760081cd52a02adc", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]     Checking priority-queue v2.1.2
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]    Compiling logging_timer_proc_macros v1.1.1
[INFO] [stderr]     Checking logging_timer v1.1.1
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking clap v4.5.30
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dancing_links_matrix v0.1.0 (/opt/rustwide/workdir/crates/dancing_links_matrix)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/dancing_links_matrix/src/solver.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 93 |     ) -> Solution<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     ) -> Solution<'_, T> {
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cmd_common v0.1.0 (/opt/rustwide/workdir/crates/cmd_common)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/dancing_links_matrix/src/solver.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn solve(&self) -> Vec<Solution<T>> {
[INFO] [stdout]     |                  ^^^^^         ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn solve(&self) -> Vec<Solution<'_, T>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> crates/dancing_links_matrix/src/solver.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         &self,
[INFO] [stdout]    |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 93 |     ) -> Solution<T> {
[INFO] [stdout]    |          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     ) -> Solution<'_, T> {
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crates/dancing_links_matrix/src/solver.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn solve(&self) -> Vec<Solution<T>> {
[INFO] [stdout]     |                  ^^^^^         ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn solve(&self) -> Vec<Solution<'_, T>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir/crates/sudoku)
[INFO] [stderr]     Checking nqueens v0.1.0 (/opt/rustwide/workdir/crates/nqueens)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.41s
[INFO] running `Command { std: "docker" "inspect" "8a6625d61c2764f9cb1a0ad487fbc04bb71e47f8bd063a9a760081cd52a02adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6625d61c2764f9cb1a0ad487fbc04bb71e47f8bd063a9a760081cd52a02adc", kill_on_drop: false }`
[INFO] [stdout] 8a6625d61c2764f9cb1a0ad487fbc04bb71e47f8bd063a9a760081cd52a02adc
