[INFO] cloning repository https://github.com/tolumide-ng/coding-challenge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tolumide-ng/coding-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f086f2c577d12dfbcf99f99bba55dae91f64d928 [INFO] testing tolumide-ng/coding-challenge against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tolumide-ng/coding-challenge on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolumide-ng/coding-challenge [INFO] finished tweaking git repo https://github.com/tolumide-ng/coding-challenge [INFO] tweaked toml for git repo https://github.com/tolumide-ng/coding-challenge written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/tolumide-ng/coding-challenge already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57861693ff3268b292b9697ef490aa68c66870e5215c43f2dfd89365aeeeaa0d [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" "57861693ff3268b292b9697ef490aa68c66870e5215c43f2dfd89365aeeeaa0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57861693ff3268b292b9697ef490aa68c66870e5215c43f2dfd89365aeeeaa0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57861693ff3268b292b9697ef490aa68c66870e5215c43f2dfd89365aeeeaa0d", kill_on_drop: false }` [INFO] [stdout] 57861693ff3268b292b9697ef490aa68c66870e5215c43f2dfd89365aeeeaa0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ab4675ad286b8712888f745c860fcf8d49d2dac7d3e1d8854592e57d28355a8 [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" "5ab4675ad286b8712888f745c860fcf8d49d2dac7d3e1d8854592e57d28355a8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling data_structures v0.1.0 (/opt/rustwide/workdir/data_structures) [INFO] [stderr] Compiling dynamic_pg v0.1.0 (/opt/rustwide/workdir/dynamic_pg) [INFO] [stdout] warning: unused variable: `pn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stdout] | [INFO] [stdout] 108 | (Some(pn), None) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | (None, Some(qn)) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 83 | let last = &store[store.len() -1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 32 | let prev = &store[store.len() - 1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parenthesis` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Parenthesis {} [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: `generate_parenthesis` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_parenthesis(n: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `backtrack` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn backtrack( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling others v0.1.0 (/opt/rustwide/workdir/others) [INFO] [stdout] warning: function is never used: `histogram_brute_force` [INFO] [stdout] --> others/src/the_algos/largest_rectangle_histogram.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn histogram_brute_force(heights: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `calculate_area` [INFO] [stdout] --> others/src/the_algos/largest_rectangle_histogram.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn calculate_area( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `histogram_stack_approach` [INFO] [stdout] --> others/src/the_algos/largest_rectangle_histogram.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn histogram_stack_approach(heights: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stdout] | [INFO] [stdout] 108 | (Some(pn), None) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | (None, Some(qn)) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 83 | let last = &store[store.len() -1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 32 | let prev = &store[store.len() - 1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parenthesis` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Parenthesis {} [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: `generate_parenthesis` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_parenthesis(n: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `backtrack` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn backtrack( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.36s [INFO] running `Command { std: "docker" "inspect" "5ab4675ad286b8712888f745c860fcf8d49d2dac7d3e1d8854592e57d28355a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ab4675ad286b8712888f745c860fcf8d49d2dac7d3e1d8854592e57d28355a8", kill_on_drop: false }` [INFO] [stdout] 5ab4675ad286b8712888f745c860fcf8d49d2dac7d3e1d8854592e57d28355a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", 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] 8bb9a5961f164cea22df687a974ed1144a415dff8fe2f94dd74cff88dc266934 [INFO] running `Command { std: "docker" "start" "-a" "8bb9a5961f164cea22df687a974ed1144a415dff8fe2f94dd74cff88dc266934", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `pn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stdout] | [INFO] [stdout] 108 | (Some(pn), None) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | (None, Some(qn)) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 83 | let last = &store[store.len() -1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 32 | let prev = &store[store.len() - 1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parenthesis` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Parenthesis {} [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: `generate_parenthesis` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn generate_parenthesis(n: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `backtrack` [INFO] [stdout] --> data_structures/src/recursion/generate_parenthesis.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn backtrack( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling dynamic_pg v0.1.0 (/opt/rustwide/workdir/dynamic_pg) [INFO] [stderr] Compiling data_structures v0.1.0 (/opt/rustwide/workdir/data_structures) [INFO] [stderr] Compiling others v0.1.0 (/opt/rustwide/workdir/others) [INFO] [stdout] warning: unused variable: `pn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stdout] | [INFO] [stdout] 108 | (Some(pn), None) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | (None, Some(qn)) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stdout] | [INFO] [stdout] 108 | (Some(pn), None) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `qn` [INFO] [stdout] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | (None, Some(qn)) => false, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 83 | let last = &store[store.len() -1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 32 | let prev = &store[store.len() - 1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 83 | let last = &store[store.len() -1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stdout] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stdout] | [INFO] [stdout] 32 | let prev = &store[store.len() - 1]; [INFO] [stdout] | ----- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stdout] | ^^^^^ -------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.18s [INFO] running `Command { std: "docker" "inspect" "8bb9a5961f164cea22df687a974ed1144a415dff8fe2f94dd74cff88dc266934", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bb9a5961f164cea22df687a974ed1144a415dff8fe2f94dd74cff88dc266934", kill_on_drop: false }` [INFO] [stdout] 8bb9a5961f164cea22df687a974ed1144a415dff8fe2f94dd74cff88dc266934 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a25086067efb8b5818a1899a7c9dd9ec8f4cef8d047ae2bef7e7540d7d1bd7b5 [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" "a25086067efb8b5818a1899a7c9dd9ec8f4cef8d047ae2bef7e7540d7d1bd7b5", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `pn` [INFO] [stderr] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stderr] | [INFO] [stderr] 108 | (Some(pn), None) => false, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `qn` [INFO] [stderr] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stderr] | [INFO] [stderr] 109 | (None, Some(qn)) => false, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stderr] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 83 | let last = &store[store.len() -1]; [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stderr] | ^^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stderr] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stderr] | [INFO] [stderr] 32 | let prev = &store[store.len() - 1]; [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stderr] | ^^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Parenthesis` [INFO] [stderr] --> data_structures/src/recursion/generate_parenthesis.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Parenthesis {} [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `generate_parenthesis` [INFO] [stderr] --> data_structures/src/recursion/generate_parenthesis.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn generate_parenthesis(n: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `backtrack` [INFO] [stderr] --> data_structures/src/recursion/generate_parenthesis.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | fn backtrack( [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pn` [INFO] [stderr] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stderr] | [INFO] [stderr] 108 | (Some(pn), None) => false, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `qn` [INFO] [stderr] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stderr] | [INFO] [stderr] 109 | (None, Some(qn)) => false, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stderr] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 83 | let last = &store[store.len() -1]; [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stderr] | ^^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stderr] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stderr] | [INFO] [stderr] 32 | let prev = &store[store.len() - 1]; [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stderr] | ^^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pn` [INFO] [stderr] --> data_structures/src/recursion/same_tree.rs:108:15 [INFO] [stderr] | [INFO] [stderr] 108 | (Some(pn), None) => false, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_pn` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `qn` [INFO] [stderr] --> data_structures/src/recursion/same_tree.rs:109:21 [INFO] [stderr] | [INFO] [stderr] 109 | (None, Some(qn)) => false, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_qn` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stderr] --> data_structures/src/recursion/skyline_problem.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 83 | let last = &store[store.len() -1]; [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 86 | store.push(Building::new(last.end, last.end, 0)); [INFO] [stderr] | ^^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `store` as mutable because it is also borrowed as immutable [INFO] [stderr] --> data_structures/src/recursion/skyline_problem.rs:62:21 [INFO] [stderr] | [INFO] [stderr] 32 | let prev = &store[store.len() - 1]; [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 62 | store.push(Building::new(prev.end, prev.end, 0)); [INFO] [stderr] | ^^^^^ -------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_structures-f214f7a1d6c3e3b2) [INFO] [stdout] running 109 tests [INFO] [stdout] test binary_tree::in_order_traversal::test_inorder_traversal::double_element_recursive_inorder_test ... ok [INFO] [stdout] test binary_tree::lowest_common_ancestor::test_lca::gets_none_if_unavailable ... ok [INFO] [stdout] test binary_tree::post_order_traversal::test_post_order_traversal::test_post_order_traversal ... ok [INFO] [stdout] test binary_tree::pre_order_traversal::test_preorder_traversal::iterative_preorder_test ... ok [INFO] [stdout] test binary_tree::serialize_deserialize::serialize_deserialize_tests::test_deserialize ... ok [INFO] [stdout] test binary_tree::level_order_traversal::breadth_first_search::test_breadth_first_search ... ok [INFO] [stdout] test linked_lists::dnode::dtests::test_new_dnode_integer ... ok [INFO] [stdout] test binary_tree::priority_queue::test_min_priority::min_priority_insertion ... ok [INFO] [stdout] test binary_tree::priority_queue::test_min_priority::min_priority_order ... ok [INFO] [stdout] test binary_tree::serialize_deserialize::serialize_deserialize_tests::test_serialize ... ok [INFO] [stdout] test binary_tree::priority_queue::test_min_priority::order_after_removal ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::insert_elemenet ... ok [INFO] [stdout] test linked_lists::dnode::dtests::test_new_dnode_string ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_new_empty_dlist ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_fifth ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_append_to_end ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_delete_nth_element ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_first ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_seventh ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_sixth ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_eight ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_pop_end_single_elem ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_pop_head_multi_elem ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_pop_head_one_elem ... ok [INFO] [stdout] test linked_lists::linked_rcs::test_linked_rcs_mod::test_new_empty_list ... ok [INFO] [stdout] test linked_lists::node::tests::test_new_node ... ok [INFO] [stdout] test linked_lists::nth_from_last::test_nth_pointer::get_not_enough_nth_elem ... ok [INFO] [stdout] test binary_tree::priority_queue::test_min_priority::test_change_priority ... ok [INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_get_nth_element ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_second ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_fourth ... ok [INFO] [stdout] test queues_stacks::circular_queue::test_queue::test_enqeue_rear ... ok [INFO] [stdout] test linked_lists::reversed_linked_lists::premo_wayne ... ok [INFO] [stdout] test linked_lists::single_ll::test_singly_ll_mod::singly_ll ... ok [INFO] [stdout] test queues_stacks::circular_queue::test_queue::test_queue_edge_case ... ok [INFO] [stdout] test linked_lists::nth_from_last::test_nth_pointer::get_nth_elem_empty ... ok [INFO] [stdout] test linked_lists::nth_from_last::test_nth_pointer::get_nth_elem_from_end ... ok [INFO] [stdout] test linked_lists::remove_linked_elements::remove_linked_elem ... ok [INFO] [stdout] test linked_lists::odd_even_linked_lists::odd_even_linked_lists ... ok [INFO] [stdout] test queues_stacks::decode_string::test_decode_string_cont::test_decode_string ... ok [INFO] [stdout] test queues_stacks::daily_temperatures::test_daily_temps_cont::test_daily_temps ... ok [INFO] [stdout] test queues_stacks::flood_fill::test_flood_fill_cont::test_flood_fill ... ok [INFO] [stdout] test queues_stacks::keys_and_rooms::can_visit_all_rooms_cont::test_keys_and_rooms ... ok [INFO] [stdout] test queues_stacks::min_stack::test_min_stack_cont::test_min_stack ... ok [INFO] [stdout] test queues_stacks::matrix_01::test_matrix_01_cont::test_matrix_01 ... ok [INFO] [stdout] test binary_tree::level_order_traversal::breadth_first_search::double_elem_breath_first_test ... ok [INFO] [stdout] test linked_lists::linked_rcs::test_linked_rcs_mod::test_new_list ... ok [INFO] [stdout] test binary_tree::in_order_traversal::test_inorder_traversal::recursive_inorder_test ... ok [INFO] [stdout] test linked_lists::linked_rcs::test_linked_rcs_mod::test_append_list ... ok [INFO] [stdout] test queues_stacks::reverse_polish_notation::test_rpn_cont::test_rpn ... ok [INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_third ... ok [INFO] [stdout] test binary_tree::level_order_traversal::breadth_first_search::single_elem_beadth_first_test ... ok [INFO] [stdout] test queues_stacks::target_sum::test_target_sum_cont::test_target_sum ... ok [INFO] [stdout] test binary_tree::pre_order_traversal::test_preorder_traversal::recursive_preorder_test ... ok [INFO] [stdout] test queues_stacks::walls_and_gates::test_walls::test_walls_and_gates ... ok [INFO] [stdout] test queues_stacks::target_sum::test_target_sum_cont::test_memoized_target_sum ... ok [INFO] [stdout] test recursion::binary_tree_depth::test_max_depth_mod::test_max_depth_recursion ... ok [INFO] [stdout] test recursion::climbing_stairs::test_climb_stairs_mod::test_climb_stairs ... ok [INFO] [stdout] test binary_tree::in_order_traversal::test_inorder_traversal::one_element_recursive_inorder_test ... ok [INFO] [stdout] test recursion::binary_tree_depth::test_max_depth_mod::test_max_depth_bfs ... ok [INFO] [stdout] test recursion::fibonacci::test_fibonacci_mod::test_fib_fast ... ok [INFO] [stdout] test recursion::fibonacci::test_fibonacci_mod::test_fib_memo ... ok [INFO] [stdout] test recursion::combination::test_combination_mod::test_combination ... ok [INFO] [stdout] test recursion::fibonacci::test_fibonacci_mod::test_tail_optimised_fibonacci ... ok [INFO] [stdout] test queues_stacks::valid_parentheses::test_valid_parentheses_cont::test_valid_parentheses ... ok [INFO] [stdout] test recursion::generate_parenthesis::test_generate_parenthesis_mod::test_generate_parenthesis ... ok [INFO] [stdout] test recursion::kth_symbol_in_grammar::test_kth_grammar_mod::test_kth_grammar ... ok [INFO] [stdout] test recursion::kth_largest_element::test_find_kth_largest_mod::test_find_kth_largest ... ok [INFO] [stdout] test queues_stacks::perfect_squares::test_perfect_squares_cont::test_perfect_squares ... ok [INFO] [stdout] test recursion::largest_histogram::test_largest_histogram_mod::test_largest_histogram ... ok [INFO] [stdout] test recursion::merge_two_sorted_lists::merge_two_sorted_list_mod::test_short_list ... ok [INFO] [stdout] test recursion::merge_two_sorted_lists::merge_two_sorted_list_mod::test_merge_lists ... ok [INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row_one ... ok [INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row ... ok [INFO] [stdout] test recursion::merge_two_sorted_lists::merge_two_sorted_list_mod::test_merge_two_lists_approach_2 ... ok [INFO] [stdout] test recursion::merge_sort::test_merge_sort_mod::test_top_down_approach ... ok [INFO] [stdout] test recursion::letter_combinations::test_letter_comb_mod::test_letter_comb ... ok [INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row_inexistent ... ok [INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row_zero ... ok [INFO] [stdout] test queues_stacks::number_of_islands_bfs::test_islands_number_bfs_cont::test_island_number_bfs ... ok [INFO] [stdout] test queues_stacks::moving_data_stream::test_circular_queue::test_cq ... ok [INFO] [stdout] test recursion::n_queens::test_n_queens_mod::n_queens_test ... ok [INFO] [stdout] test recursion::pow_x_n::test_pow_x_n_mod::test_pow_x_n ... ok [INFO] [stdout] test recursion::sort_an_array::test_sort_array_mod::test_sort_array ... ok [INFO] [stdout] test recursion::permutations::test_permute_mod::test_emoty_permute ... ok [INFO] [stdout] test recursion::reverse_linked_list::test_reverse_list_cont::test_reverse_list ... ok [INFO] [stdout] test recursion::permutations::test_permute_mod::test_permute ... ok [INFO] [stdout] test queues_stacks::stack_with_queues::test::test_stack_with_queue ... ok [INFO] [stdout] test recursion::quick_sort::test_quick_sort ... ok [INFO] [stdout] test recursion::search_bst::test_search_bst_cont::test_search_bst ... ok [INFO] [stdout] test queues_stacks::number_of_islands_dfs::test_islands_number::test_island_number ... ok [INFO] [stdout] test queues_stacks::target_sum::test_target_sum_cont::test_dynamic_target_sum ... ok [INFO] [stdout] test recursion::create_bst::test_create_bst_mod::test_creates_bst ... ok [INFO] [stdout] test queues_stacks::walls_and_gates_dfs::test_walls_dfs::test_walls_and_gates_dfs ... ok [INFO] [stdout] test recursion::search_2d_matrix::test_search_matrix_mod::test_search_matrix ... ok [INFO] [stdout] test recursion::search_2d_matrix::test_search_matrix_mod::test_search_empty_matrix ... ok [INFO] [stdout] test recursion::reverse_string::test_reverse_string_cont::test_reverse_string ... ok [INFO] [stdout] test recursion::swap_node_pairs::test_swap_pairs_cont::test_swap_pairs ... ok [INFO] [stdout] test recursion::swap_node_pairs::test_swap_pairs_cont::test_function_can_make_linked_list ... ok [INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_invalid_bst ... ok [INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_minimum_possible_node ... ok [INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_single_node ... ok [INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_validate_possible_bst ... ok [INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_valid_bst ... ok [INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_multi_child ... ok [INFO] [stdout] test recursion::skyline_problem::test_skyline_mod::test_skyline ... FAILED [INFO] [stdout] test recursion::unique_binary_tree::test_unique_bsts_mod::test_unique_bsts ... ok [INFO] [stdout] test recursion::sudoku_player::test_sudoku_mod::test_sudoku ... ok [INFO] [stdout] test queues_stacks::open_the_lock::test_open_lock::test_the_open_lock ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- recursion::skyline_problem::test_skyline_mod::test_skyline stdout ---- [INFO] [stdout] the buildings [ [INFO] [stdout] [ [INFO] [stdout] 1, [INFO] [stdout] 1, [INFO] [stdout] ], [INFO] [stdout] [ [INFO] [stdout] 1, [INFO] [stdout] 2, [INFO] [stdout] ], [INFO] [stdout] [ [INFO] [stdout] 1, [INFO] [stdout] 3, [INFO] [stdout] ], [INFO] [stdout] [ [INFO] [stdout] 2, [INFO] [stdout] 0, [INFO] [stdout] ], [INFO] [stdout] ] [INFO] [stdout] thread 'recursion::skyline_problem::test_skyline_mod::test_skyline' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `3`, [INFO] [stdout] right: `4`', data_structures/src/recursion/skyline_problem.rs:141:10 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55594d4b0bf0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55594d4b0bf0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55594d4b0bf0 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55594d4b0bf0 - ::fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55594d4d3c3c - core[ee1ca6415511a9c4]::fmt::write [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x55594d4adb35 - as std[77c0456e0eb29f0c]::io::Write>::write_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x55594d4b2d7b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55594d4b2d7b - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55594d4b2d7b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55594d4b288c - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55594d4b3421 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55594d4b2f27 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55594d4b10ec - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55594d4b2e89 - rust_begin_unwind [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55594d3915b1 - core[ee1ca6415511a9c4]::panicking::panic_fmt [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55594d4d1ce8 - core[ee1ca6415511a9c4]::panicking::assert_failed_inner [INFO] [stdout] 16: 0x55594d3ff5ea - core[ee1ca6415511a9c4]::panicking::assert_failed:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:117:5 [INFO] [stdout] 17: 0x55594d415862 - data_structures[b8dbc32a16fb83d2]::recursion::skyline_problem::test_skyline_mod::test_skyline [INFO] [stdout] at /opt/rustwide/workdir/data_structures/src/recursion/skyline_problem.rs:141:10 [INFO] [stdout] 18: 0x55594d41552a - data_structures[b8dbc32a16fb83d2]::recursion::skyline_problem::test_skyline_mod::test_skyline::{closure#0} [INFO] [stdout] at /opt/rustwide/workdir/data_structures/src/recursion/skyline_problem.rs:99:5 [INFO] [stdout] 19: 0x55594d3ca20e - >::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55594d488263 - >::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55594d488263 - test[eeb9024d9ac7bc83]::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:577:5 [INFO] [stdout] 22: 0x55594d486d2c - + core[ee1ca6415511a9c4]::marker::Send> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 23: 0x55594d486d2c - + core[ee1ca6415511a9c4]::marker::Send>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9 [INFO] [stdout] 24: 0x55594d486d2c - std[77c0456e0eb29f0c]::panicking::try::do_call:: + core[ee1ca6415511a9c4]::marker::Send>>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55594d486d2c - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe + core[ee1ca6415511a9c4]::marker::Send>>> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55594d486d2c - std[77c0456e0eb29f0c]::panic::catch_unwind:: + core[ee1ca6415511a9c4]::marker::Send>>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stdout] 27: 0x55594d486d2c - test[eeb9024d9ac7bc83]::run_test_in_process [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:600:18 [INFO] [stdout] 28: 0x55594d486d2c - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55594d4669f2 - test[eeb9024d9ac7bc83]::run_test::run_test_inner::{closure#1} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55594d4669f2 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x55594d4672d8 - ::spawn_unchecked::::{closure#0}::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 32: 0x55594d4672d8 - ::spawn_unchecked::{closure#0}::{closure#0}> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:346:9 [INFO] [stdout] 33: 0x55594d4672d8 - std[77c0456e0eb29f0c]::panicking::try::do_call::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x55594d4672d8 - std[77c0456e0eb29f0c]::panicking::try::<(), std[77c0456e0eb29f0c]::panic::AssertUnwindSafe<::spawn_unchecked::{closure#0}::{closure#0}>> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x55594d4672d8 - std[77c0456e0eb29f0c]::panic::catch_unwind::::spawn_unchecked::{closure#0}::{closure#0}>, ()> [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14 [INFO] [stdout] 36: 0x55594d4672d8 - ::spawn_unchecked::::{closure#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 37: 0x55594d4672d8 - <::spawn_unchecked::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55594d4b7ed7 - > as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 39: 0x55594d4b7ed7 - >> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 40: 0x55594d4b7ed7 - ::new::thread_start [INFO] [stdout] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 41: 0x7f25aedfb609 - start_thread [INFO] [stdout] 42: 0x7f25aebcd293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] recursion::skyline_problem::test_skyline_mod::test_skyline [INFO] [stdout] [INFO] [stdout] test result: FAILED. 108 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '-p data_structures --lib' [INFO] running `Command { std: "docker" "inspect" "a25086067efb8b5818a1899a7c9dd9ec8f4cef8d047ae2bef7e7540d7d1bd7b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a25086067efb8b5818a1899a7c9dd9ec8f4cef8d047ae2bef7e7540d7d1bd7b5", kill_on_drop: false }` [INFO] [stdout] a25086067efb8b5818a1899a7c9dd9ec8f4cef8d047ae2bef7e7540d7d1bd7b5