[INFO] cloning repository https://github.com/saik0/rust_boggle_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saik0/rust_boggle_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d4602cdfe585c83c836f045adc675e23f9a6e37 [INFO] checking saik0/rust_boggle_solver against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaik0%2Frust_boggle_solver" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/saik0/rust_boggle_solver on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/saik0/rust_boggle_solver [INFO] finished tweaking git repo https://github.com/saik0/rust_boggle_solver [INFO] tweaked toml for git repo https://github.com/saik0/rust_boggle_solver written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/saik0/rust_boggle_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0759e140d81a6310ec291979ffc83a53257b1a23dc687dd2a0b4f01e0e6c6d87 [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" "0759e140d81a6310ec291979ffc83a53257b1a23dc687dd2a0b4f01e0e6c6d87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0759e140d81a6310ec291979ffc83a53257b1a23dc687dd2a0b4f01e0e6c6d87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0759e140d81a6310ec291979ffc83a53257b1a23dc687dd2a0b4f01e0e6c6d87", kill_on_drop: false }` [INFO] [stdout] 0759e140d81a6310ec291979ffc83a53257b1a23dc687dd2a0b4f01e0e6c6d87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9034cf789bce4b119bbd91c2f80d0880d43b1370835394e677bf13ba21aa1322 [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" "9034cf789bce4b119bbd91c2f80d0880d43b1370835394e677bf13ba21aa1322", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num_cpus v1.3.0 [INFO] [stderr] Checking deque v0.3.1 [INFO] [stderr] Checking rayon v0.6.0 [INFO] [stderr] Checking rust_boggle_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | 'a' ... 'z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | 'A' ... 'Z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | fn any(&self, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:39:49 [INFO] [stdout] | [INFO] [stdout] 39 | fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/boggle/radix_board.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | alpha = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | 'a' ... 'z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/boggle_util.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | 'A' ... 'Z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | fn any(&self, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/boggle/mod.rs:39:49 [INFO] [stdout] | [INFO] [stdout] 39 | fn neighbors(&self, i: usize, v: u8) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/boggle/radix_board.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | alpha = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/trie.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut (self.children[first]), Some(Box::new(Trie::new()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/trie.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(&mut (self.children[first]), Some(Box::new(Trie::new()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.62s [INFO] running `Command { std: "docker" "inspect" "9034cf789bce4b119bbd91c2f80d0880d43b1370835394e677bf13ba21aa1322", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9034cf789bce4b119bbd91c2f80d0880d43b1370835394e677bf13ba21aa1322", kill_on_drop: false }` [INFO] [stdout] 9034cf789bce4b119bbd91c2f80d0880d43b1370835394e677bf13ba21aa1322