[INFO] updating cached repository https://github.com/sjsilves/island-count-iterate-collect [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7473101d1bfccd520720f23d265044be93e6edca [INFO] testing sjsilves/island-count-iterate-collect against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjsilves%2Fisland-count-iterate-collect" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjsilves/island-count-iterate-collect on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sjsilves/island-count-iterate-collect [INFO] finished tweaking git repo https://github.com/sjsilves/island-count-iterate-collect [INFO] tweaked toml for git repo https://github.com/sjsilves/island-count-iterate-collect written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/sjsilves/island-count-iterate-collect already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 13feb6b94b684a408fdceb32e0c5031af697828be6978fc879658d71bfb36efb [INFO] running `"docker" "start" "-a" "13feb6b94b684a408fdceb32e0c5031af697828be6978fc879658d71bfb36efb"` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `new_island` is assigned to, but never used [INFO] [stderr] --> src/iterate_2.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let mut new_island: Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_new_island` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_island` is never read [INFO] [stderr] --> src/iterate_2.rs:51:21 [INFO] [stderr] | [INFO] [stderr] 51 | new_island = merge_islands(found_islands); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/iterate_2.rs:78:23 [INFO] [stderr] | [INFO] [stderr] 78 | .map(|(j, y)| Point{x:i as i32, y:j as i32}).collect::>())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `islands` [INFO] [stderr] --> src/iterate_2.rs:126:19 [INFO] [stderr] | [INFO] [stderr] 126 | fn merge_islands (islands: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/recurse.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | .map(|(j, y)| Point{x: i as i32, y: j as i32}).collect::>())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable `counter` is assigned to, but never used [INFO] [stderr] --> src/recurse.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | let mut counter = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_counter` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lands` [INFO] [stderr] --> src/recurse.rs:64:47 [INFO] [stderr] | [INFO] [stderr] 64 | fn check_adjacent_land (all_land: Vec, lands: HashSet, land: &Point, max_size: &i32) -> HashSet { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lands` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `land` [INFO] [stderr] --> src/recurse.rs:94:34 [INFO] [stderr] | [INFO] [stderr] 94 | fn check_bounds (max_size: &i32, land: &Point, test_land: &Point) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_land` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate.rs:32:21 [INFO] [stderr] | [INFO] [stderr] 32 | let mut new_island: Island; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut islands: Vec> = Vec::new(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let mut new_island: Vec; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let mut found_islands: Vec> = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:129:9 [INFO] [stderr] | [INFO] [stderr] 129 | let mut new_lands: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `count_islands` [INFO] [stderr] --> src/iterate_2.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn count_islands(ocean: &[&[bool]]) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `flatten_all_land` [INFO] [stderr] --> src/iterate_2.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn flatten_all_land(ocean: &[&[bool]]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_adjacent_land` [INFO] [stderr] --> src/iterate_2.rs:84:4 [INFO] [stderr] | [INFO] [stderr] 84 | fn get_adjacent_land (ocean: &[&[bool]], land: &Point) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_islands` [INFO] [stderr] --> src/iterate_2.rs:103:4 [INFO] [stderr] | [INFO] [stderr] 103 | fn find_islands (islands: Vec>, land: &Point, adjacent_land: HashSet) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_islands` [INFO] [stderr] --> src/iterate_2.rs:126:4 [INFO] [stderr] | [INFO] [stderr] 126 | fn merge_islands (islands: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `remove_islands` [INFO] [stderr] --> src/iterate_2.rs:138:4 [INFO] [stderr] | [INFO] [stderr] 138 | fn remove_islands (islands: &[Island], islands_to_remove: &[Island]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_index_by_island_id` [INFO] [stderr] --> src/iterate_2.rs:149:4 [INFO] [stderr] | [INFO] [stderr] 149 | fn find_index_by_island_id(islands: &[Island], id: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_next_island_id` [INFO] [stderr] --> src/iterate_2.rs:158:4 [INFO] [stderr] | [INFO] [stderr] 158 | fn get_next_island_id(islands: &[Island]) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `validate_ocean` [INFO] [stderr] --> src/iterate_2.rs:175:4 [INFO] [stderr] | [INFO] [stderr] 175 | fn validate_ocean(ocean: &[&[bool]]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_b` [INFO] [stderr] --> src/main.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn iterate_b(ocean: &[&[bool]], test_num: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 23 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.47s [INFO] running `"docker" "inspect" "13feb6b94b684a408fdceb32e0c5031af697828be6978fc879658d71bfb36efb"` [INFO] running `"docker" "rm" "-f" "13feb6b94b684a408fdceb32e0c5031af697828be6978fc879658d71bfb36efb"` [INFO] [stdout] 13feb6b94b684a408fdceb32e0c5031af697828be6978fc879658d71bfb36efb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a2a9c80f5215d41acdbab3aee205746bd9f17a06cf67333b6a267be84e88840b [INFO] running `"docker" "start" "-a" "a2a9c80f5215d41acdbab3aee205746bd9f17a06cf67333b6a267be84e88840b"` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/iterate/tests.rs:34:51 [INFO] [stderr] | [INFO] [stderr] 34 | let islands: HashSet = HashSet::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `new_island` is assigned to, but never used [INFO] [stderr] --> src/iterate_2.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let mut new_island: Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_new_island` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_island` is never read [INFO] [stderr] --> src/iterate_2.rs:51:21 [INFO] [stderr] | [INFO] [stderr] 51 | new_island = merge_islands(found_islands); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/iterate_2.rs:78:23 [INFO] [stderr] | [INFO] [stderr] 78 | .map(|(j, y)| Point{x:i as i32, y:j as i32}).collect::>())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `islands` [INFO] [stderr] --> src/iterate_2.rs:126:19 [INFO] [stderr] | [INFO] [stderr] 126 | fn merge_islands (islands: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/recurse.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | .map(|(j, y)| Point{x: i as i32, y: j as i32}).collect::>())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable `counter` is assigned to, but never used [INFO] [stderr] --> src/recurse.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | let mut counter = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_counter` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lands` [INFO] [stderr] --> src/recurse.rs:64:47 [INFO] [stderr] | [INFO] [stderr] 64 | fn check_adjacent_land (all_land: Vec, lands: HashSet, land: &Point, max_size: &i32) -> HashSet { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lands` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `land` [INFO] [stderr] --> src/recurse.rs:94:34 [INFO] [stderr] | [INFO] [stderr] 94 | fn check_bounds (max_size: &i32, land: &Point, test_land: &Point) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_land` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate.rs:32:21 [INFO] [stderr] | [INFO] [stderr] 32 | let mut new_island: Island; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let mut land1: Vec = [Point { x: 1, y: 4 }, Point { x: 2, y: 3 }, Point { x: 0, y: 0 }, Point { x: 0, y: 1 }, Point { x: 1, y: 1 }, Point { x: 2, y: 2 }].to_vec(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let mut land2: Vec = [Point { x: 3, y: 6 }].to_vec(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let mut land3: Vec = [Point { x: 4, y: 1 }, Point { x: 5, y: 1 }, Point { x: 5, y: 2 }].to_vec(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:381:9 [INFO] [stderr] | [INFO] [stderr] 381 | let mut new_x: Vec; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut islands: Vec> = Vec::new(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let mut new_island: Vec; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let mut found_islands: Vec> = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:129:9 [INFO] [stderr] | [INFO] [stderr] 129 | let mut new_lands: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2/tests.rs:469:9 [INFO] [stderr] | [INFO] [stderr] 469 | let mut new_x: Vec; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/recurse/tests.rs:269:9 [INFO] [stderr] | [INFO] [stderr] 269 | let mut new_x: Vec; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `count_islands` [INFO] [stderr] --> src/iterate_2.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn count_islands(ocean: &[&[bool]]) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `flatten_all_land` [INFO] [stderr] --> src/iterate_2.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn flatten_all_land(ocean: &[&[bool]]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_islands` [INFO] [stderr] --> src/iterate_2.rs:103:4 [INFO] [stderr] | [INFO] [stderr] 103 | fn find_islands (islands: Vec>, land: &Point, adjacent_land: HashSet) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_islands` [INFO] [stderr] --> src/iterate_2.rs:126:4 [INFO] [stderr] | [INFO] [stderr] 126 | fn merge_islands (islands: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `remove_islands` [INFO] [stderr] --> src/iterate_2.rs:138:4 [INFO] [stderr] | [INFO] [stderr] 138 | fn remove_islands (islands: &[Island], islands_to_remove: &[Island]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_index_by_island_id` [INFO] [stderr] --> src/iterate_2.rs:149:4 [INFO] [stderr] | [INFO] [stderr] 149 | fn find_index_by_island_id(islands: &[Island], id: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `validate_ocean` [INFO] [stderr] --> src/iterate_2.rs:175:4 [INFO] [stderr] | [INFO] [stderr] 175 | fn validate_ocean(ocean: &[&[bool]]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_b` [INFO] [stderr] --> src/main.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn iterate_b(ocean: &[&[bool]], test_num: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `it_ABC_123` should have a snake case name [INFO] [stderr] --> src/recurse/tests.rs:300:4 [INFO] [stderr] | [INFO] [stderr] 300 | fn it_ABC_123(){ [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `it_abc_123` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 29 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.30s [INFO] running `"docker" "inspect" "a2a9c80f5215d41acdbab3aee205746bd9f17a06cf67333b6a267be84e88840b"` [INFO] running `"docker" "rm" "-f" "a2a9c80f5215d41acdbab3aee205746bd9f17a06cf67333b6a267be84e88840b"` [INFO] [stdout] a2a9c80f5215d41acdbab3aee205746bd9f17a06cf67333b6a267be84e88840b [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5f44379978b7ce32fac7837809baefa5783219f31010c419ecb737cb45c319b7 [INFO] running `"docker" "start" "-a" "5f44379978b7ce32fac7837809baefa5783219f31010c419ecb737cb45c319b7"` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/iterate/tests.rs:34:51 [INFO] [stderr] | [INFO] [stderr] 34 | let islands: HashSet = HashSet::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `new_island` is assigned to, but never used [INFO] [stderr] --> src/iterate_2.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let mut new_island: Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_new_island` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_island` is never read [INFO] [stderr] --> src/iterate_2.rs:51:21 [INFO] [stderr] | [INFO] [stderr] 51 | new_island = merge_islands(found_islands); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/iterate_2.rs:78:23 [INFO] [stderr] | [INFO] [stderr] 78 | .map(|(j, y)| Point{x:i as i32, y:j as i32}).collect::>())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `islands` [INFO] [stderr] --> src/iterate_2.rs:126:19 [INFO] [stderr] | [INFO] [stderr] 126 | fn merge_islands (islands: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_islands` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/recurse.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | .map(|(j, y)| Point{x: i as i32, y: j as i32}).collect::>())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable `counter` is assigned to, but never used [INFO] [stderr] --> src/recurse.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | let mut counter = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_counter` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lands` [INFO] [stderr] --> src/recurse.rs:64:47 [INFO] [stderr] | [INFO] [stderr] 64 | fn check_adjacent_land (all_land: Vec, lands: HashSet, land: &Point, max_size: &i32) -> HashSet { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lands` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `land` [INFO] [stderr] --> src/recurse.rs:94:34 [INFO] [stderr] | [INFO] [stderr] 94 | fn check_bounds (max_size: &i32, land: &Point, test_land: &Point) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_land` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate.rs:32:21 [INFO] [stderr] | [INFO] [stderr] 32 | let mut new_island: Island; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | let mut land1: Vec = [Point { x: 1, y: 4 }, Point { x: 2, y: 3 }, Point { x: 0, y: 0 }, Point { x: 0, y: 1 }, Point { x: 1, y: 1 }, Point { x: 2, y: 2 }].to_vec(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let mut land2: Vec = [Point { x: 3, y: 6 }].to_vec(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let mut land3: Vec = [Point { x: 4, y: 1 }, Point { x: 5, y: 1 }, Point { x: 5, y: 2 }].to_vec(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate/tests.rs:381:9 [INFO] [stderr] | [INFO] [stderr] 381 | let mut new_x: Vec; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut islands: Vec> = Vec::new(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | let mut new_island: Vec; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let mut found_islands: Vec> = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2.rs:129:9 [INFO] [stderr] | [INFO] [stderr] 129 | let mut new_lands: Vec = Vec::new(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterate_2/tests.rs:469:9 [INFO] [stderr] | [INFO] [stderr] 469 | let mut new_x: Vec; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/recurse/tests.rs:269:9 [INFO] [stderr] | [INFO] [stderr] 269 | let mut new_x: Vec; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `count_islands` [INFO] [stderr] --> src/iterate_2.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn count_islands(ocean: &[&[bool]]) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `flatten_all_land` [INFO] [stderr] --> src/iterate_2.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn flatten_all_land(ocean: &[&[bool]]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_islands` [INFO] [stderr] --> src/iterate_2.rs:103:4 [INFO] [stderr] | [INFO] [stderr] 103 | fn find_islands (islands: Vec>, land: &Point, adjacent_land: HashSet) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_islands` [INFO] [stderr] --> src/iterate_2.rs:126:4 [INFO] [stderr] | [INFO] [stderr] 126 | fn merge_islands (islands: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `remove_islands` [INFO] [stderr] --> src/iterate_2.rs:138:4 [INFO] [stderr] | [INFO] [stderr] 138 | fn remove_islands (islands: &[Island], islands_to_remove: &[Island]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_index_by_island_id` [INFO] [stderr] --> src/iterate_2.rs:149:4 [INFO] [stderr] | [INFO] [stderr] 149 | fn find_index_by_island_id(islands: &[Island], id: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `validate_ocean` [INFO] [stderr] --> src/iterate_2.rs:175:4 [INFO] [stderr] | [INFO] [stderr] 175 | fn validate_ocean(ocean: &[&[bool]]) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_b` [INFO] [stderr] --> src/main.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn iterate_b(ocean: &[&[bool]], test_num: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `it_ABC_123` should have a snake case name [INFO] [stderr] --> src/recurse/tests.rs:300:4 [INFO] [stderr] | [INFO] [stderr] 300 | fn it_ABC_123(){ [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `it_abc_123` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 29 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.24s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/variables-82b5fa831e215899 [INFO] [stdout] [INFO] [stdout] running 45 tests [INFO] [stdout] test iterate::tests::it_gets_id_0 ... ok [INFO] [stdout] test iterate::tests::it_adds_land_to_existing_island ... ok [INFO] [stdout] test iterate::tests::it_has_0_islands ... ok [INFO] [stdout] test iterate::tests::it_gets_id_5_with_skipped_ids ... ok [INFO] [stdout] test iterate::tests::it_has_0_islands_in_an_20_x_20 ... ok [INFO] [stdout] test iterate::tests::it_has_3_islands ... ok [INFO] [stdout] test iterate::tests::it_has_2_islands ... ok [INFO] [stderr] thread '' panicked at 'attempted to leave type `nodrop::NoDrop<(epoch::Epoch, garbage::Bag)>` uninitialized, which is invalid', /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560ee7fb3474 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x560ee7fb3474 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x560ee7fb3474 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x560ee7fb3474 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x560ee7fdc1cc - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x560ee7faff83 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x560ee7fb5d55 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x560ee7fb5d55 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x560ee7fb5d55 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x560ee7fb5a92 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x560ee7fb63b2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x560ee7fb5f9b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x560ee7fdabc1 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x560ee7fdab0d - core::panicking::panic::hbfb03ddd2cbb509e [INFO] [stderr] at src/libcore/panicking.rs:54 [INFO] [stderr] 14: 0x560ee7f97958 - core::mem::uninitialized::h5d0c1d00760f0ec0 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661 [INFO] [stderr] 15: 0x560ee7f97958 - crossbeam_epoch::sync::queue::Queue::new::h07ae1820d2473b2c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/sync/queue.rs:57 [INFO] [stderr] 16: 0x560ee7f8f12e - crossbeam_epoch::internal::Global::new::ha8406e2243a19787 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/internal.rs:63 [INFO] [stderr] 17: 0x560ee7f9bcd1 - crossbeam_epoch::collector::Collector::new::h92c48e258f083722 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/collector.rs:32 [INFO] [stderr] 18: 0x560ee7f9340a - ::deref::__static_ref_initialize::hf044817c132d572a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:12 [INFO] [stderr] 19: 0x560ee7f9340a - core::ops::function::FnOnce::call_once::ha79de81fd0c3160e [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 20: 0x560ee7f997e7 - lazy_static::lazy::Lazy::get::{{closure}}::h2f7b96f7e2f250f0 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28 [INFO] [stderr] 21: 0x560ee7f99965 - std::sync::once::Once::call_once::{{closure}}::hbf5e1ea120f2baa1 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264 [INFO] [stderr] 22: 0x560ee7fb2c98 - std::sync::once::Once::call_inner::h645f0d07eb0a8066 [INFO] [stderr] at src/libstd/sync/once.rs:416 [INFO] [stderr] 23: 0x560ee7f998e1 - std::sync::once::Once::call_once::hb2acc298119c7178 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264 [INFO] [stderr] 24: 0x560ee7f9a5a9 - lazy_static::lazy::Lazy::get::h17abf88ed733356b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stderr] 25: 0x560ee7f9a5a9 - ::deref::__stability::h24f31b6d5225d038 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:138 [INFO] [stderr] 26: 0x560ee7f9a5a9 - ::deref::he48ebca996d7a160 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:140 [INFO] [stderr] 27: 0x560ee7f9a624 - crossbeam_epoch::default::HANDLE::__init::h7a3f1d2600e4e2b7 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:17 [INFO] [stderr] 28: 0x560ee7f93429 - core::ops::function::FnOnce::call_once::hbf0efac4206589a5 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 29: 0x560ee7f9298c - std::thread::local::lazy::LazyKeyInner::initialize::hd5e7603b70a8ef00 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:289 [INFO] [stderr] 30: 0x560ee7f9b6c2 - std::thread::local::fast::Key::try_initialize::hdba603fea7a725c9 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:425 [INFO] [stderr] 31: 0x560ee7f9b817 - std::thread::local::fast::Key::get::ha97c7fb3f0f6716e [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:410 [INFO] [stderr] 32: 0x560ee7f9a66d - crossbeam_epoch::default::HANDLE::__getit::h3edd27432b920d07 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:175 [INFO] [stderr] 33: 0x560ee7f70908 - std::thread::local::LocalKey::try_with::h014aaec88e88c4e9 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:262 [INFO] [stderr] 34: 0x560ee7f7084f - std::thread::local::LocalKey::with::h300361fac0578e92 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:239 [INFO] [stderr] 35: 0x560ee7f857be - crossbeam_epoch::default::is_pinned::h5825f24e55232503 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:33 [INFO] [stderr] 36: 0x560ee7f7db45 - crossbeam_deque::Stealer::steal::hb1673eb2b19130a5 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.2.0/src/lib.rs:714 [INFO] [stderr] 37: 0x560ee7f6b153 - rayon_core::registry::WorkerThread::steal::{{closure}}::ha99d92e8e4177af3 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:614 [INFO] [stderr] 38: 0x560ee7f6873b - core::ops::function::impls:: for &mut F>::call_mut::h1a73068b4ac3dd39 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:274 [INFO] [stderr] 39: 0x560ee7f7b421 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h0b79c33fb1be5c3d [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:2239 [INFO] [stderr] 40: 0x560ee7f732e5 - core::iter::adapters::filter_try_fold::{{closure}}::h001259dce82f5e5a [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:935 [INFO] [stderr] 41: 0x560ee7f729fc - core::ops::function::impls:: for &mut F>::call_mut::h84de76bea262fae5 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:274 [INFO] [stderr] 42: 0x560ee7f86d14 - core::iter::traits::iterator::Iterator::try_fold::h51cddd2500954ed4 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:1878 [INFO] [stderr] 43: 0x560ee7f70e23 - as core::iter::traits::iterator::Iterator>::try_fold::h9f8aff517d05075e [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/chain.rs:83 [INFO] [stderr] 44: 0x560ee7f72496 - as core::iter::traits::iterator::Iterator>::try_fold::h616121050aa828ec [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:984 [INFO] [stderr] 45: 0x560ee7f72fe1 - core::iter::traits::iterator::Iterator::find_map::h827dea8baaf290f3 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:2245 [INFO] [stderr] 46: 0x560ee7f72506 - as core::iter::traits::iterator::Iterator>::next::h5ec4e116efc66762 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:1084 [INFO] [stderr] 47: 0x560ee7f6b08b - rayon_core::registry::WorkerThread::steal::h0d57534b0445f535 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:608 [INFO] [stderr] 48: 0x560ee7f6adb2 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::hfd847d05859b2c47 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:565 [INFO] [stderr] 49: 0x560ee7f84fbf - core::option::Option::or_else::ha3c2994f99b55cc3 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/option.rs:766 [INFO] [stderr] 50: 0x560ee7f6aa7e - rayon_core::registry::WorkerThread::wait_until_cold::h6b6fbf09ab41f4ff [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:564 [INFO] [stderr] 51: 0x560ee7f6a5c3 - rayon_core::registry::WorkerThread::wait_until::hfc44ef7567469a1f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:544 [INFO] [stderr] 52: 0x560ee7f6b62b - rayon_core::registry::main_loop::h838ffce4ad747e75 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:666 [INFO] [stderr] 53: 0x560ee7f69a1d - rayon_core::registry::Registry::new::{{closure}}::hd670aa1d33e023da [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:135 [INFO] [stderr] 54: 0x560ee7f82561 - std::sys_common::backtrace::__rust_begin_short_backtrace::hbd9670b34cdb8b94 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 55: 0x560ee7f79252 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hedee1f82936c97d2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stderr] 56: 0x560ee7f785e2 - as core::ops::function::FnOnce<()>>::call_once::h52f614c2b4c157cb [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stderr] 57: 0x560ee7f85b6c - std::panicking::try::do_call::h04f1598e7e2219e4 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stderr] 58: 0x560ee7f8753d - __rust_try [INFO] [stderr] 59: 0x560ee7f859b3 - std::panicking::try::h37edff0a53eef71b [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stderr] 60: 0x560ee7f78802 - std::panic::catch_unwind::hb9a9446a4c4abe11 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stderr] 61: 0x560ee7f79041 - std::thread::Builder::spawn_unchecked::{{closure}}::hb34dc969ee95af53 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stderr] 62: 0x560ee7f7936f - core::ops::function::FnOnce::call_once{{vtable.shim}}::he09a94cdb01d6f21 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 63: 0x560ee7fa9b0f - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 64: 0x560ee7fbcc93 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 65: 0x560ee7fbcc93 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 66: 0x7f74c67866db - start_thread [INFO] [stderr] 67: 0x7f74c629788f - __clone [INFO] [stderr] 68: 0x0 - [INFO] [stderr] error: test failed, to rerun pass '--bin variables' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/variables-82b5fa831e215899` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `"docker" "inspect" "5f44379978b7ce32fac7837809baefa5783219f31010c419ecb737cb45c319b7"` [INFO] running `"docker" "rm" "-f" "5f44379978b7ce32fac7837809baefa5783219f31010c419ecb737cb45c319b7"` [INFO] [stdout] 5f44379978b7ce32fac7837809baefa5783219f31010c419ecb737cb45c319b7