[INFO] cloning repository https://github.com/lonelyhentai/rusty-leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lonelyhentai/rusty-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonelyhentai%2Frusty-leetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonelyhentai%2Frusty-leetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7314dbdadcff36a62be87514c16aa02c262edfe5 [INFO] building lonelyhentai/rusty-leetcode against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonelyhentai%2Frusty-leetcode" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lonelyhentai/rusty-leetcode on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lonelyhentai/rusty-leetcode [INFO] finished tweaking git repo https://github.com/lonelyhentai/rusty-leetcode [INFO] tweaked toml for git repo https://github.com/lonelyhentai/rusty-leetcode written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lonelyhentai/rusty-leetcode 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded once_cell v1.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 623c0b7708ba37a28114e191c29fef48fd8bd3ecf71aee4456f0bfc21c7864cd [INFO] running `Command { std: "docker" "start" "-a" "623c0b7708ba37a28114e191c29fef48fd8bd3ecf71aee4456f0bfc21c7864cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "623c0b7708ba37a28114e191c29fef48fd8bd3ecf71aee4456f0bfc21c7864cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "623c0b7708ba37a28114e191c29fef48fd8bd3ecf71aee4456f0bfc21c7864cd", kill_on_drop: false }` [INFO] [stdout] 623c0b7708ba37a28114e191c29fef48fd8bd3ecf71aee4456f0bfc21c7864cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4f6f27bf734d0adcd0ad1756ca3813ac112262de3e5ccc50033adc3feae45b1 [INFO] running `Command { std: "docker" "start" "-a" "e4f6f27bf734d0adcd0ad1756ca3813ac112262de3e5ccc50033adc3feae45b1", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling once_cell v1.6.0 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling simple-error v0.2.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list_tag/plus_one_linked_list_369.rs:41:31 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn plus_one_recursive(mut head: &mut Box) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/design_tag/design_excel_sum_formula_631.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut node = self.retrieve_mut(r, c); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dp_tag/android_unlock_patterns_351.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | if INDIRECT.is_empty() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dp_tag/android_unlock_patterns_351.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | &INDIRECT [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 31 | &raw const INDIRECT [INFO] [stdout] | ~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s [INFO] running `Command { std: "docker" "inspect" "e4f6f27bf734d0adcd0ad1756ca3813ac112262de3e5ccc50033adc3feae45b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4f6f27bf734d0adcd0ad1756ca3813ac112262de3e5ccc50033adc3feae45b1", kill_on_drop: false }` [INFO] [stdout] e4f6f27bf734d0adcd0ad1756ca3813ac112262de3e5ccc50033adc3feae45b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87f32ffdb1221e90e047f7893b9b17cd11bcaa0e19076e02d2704d939802ece9 [INFO] running `Command { std: "docker" "start" "-a" "87f32ffdb1221e90e047f7893b9b17cd11bcaa0e19076e02d2704d939802ece9", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list_tag/plus_one_linked_list_369.rs:41:31 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn plus_one_recursive(mut head: &mut Box) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/design_tag/design_excel_sum_formula_631.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut node = self.retrieve_mut(r, c); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dp_tag/android_unlock_patterns_351.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | if INDIRECT.is_empty() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dp_tag/android_unlock_patterns_351.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | &INDIRECT [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 31 | &raw const INDIRECT [INFO] [stdout] | ~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/linked_list_tag/plus_one_linked_list_369.rs:41:31 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn plus_one_recursive(mut head: &mut Box) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/design_tag/design_excel_sum_formula_631.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut node = self.retrieve_mut(r, c); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dp_tag/android_unlock_patterns_351.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | if INDIRECT.is_empty() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/dp_tag/android_unlock_patterns_351.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | &INDIRECT [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 31 | &raw const INDIRECT [INFO] [stdout] | ~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.29s [INFO] running `Command { std: "docker" "inspect" "87f32ffdb1221e90e047f7893b9b17cd11bcaa0e19076e02d2704d939802ece9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87f32ffdb1221e90e047f7893b9b17cd11bcaa0e19076e02d2704d939802ece9", kill_on_drop: false }` [INFO] [stdout] 87f32ffdb1221e90e047f7893b9b17cd11bcaa0e19076e02d2704d939802ece9