[INFO] cloning repository https://github.com/axel-kaliff/hw14 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axel-kaliff/hw14" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fhw14", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fhw14'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1b5db79dee162c5b852f187e6833d7d8fe8e054 [INFO] testing axel-kaliff/hw14 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fhw14" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/axel-kaliff/hw14 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/axel-kaliff/hw14 [INFO] finished tweaking git repo https://github.com/axel-kaliff/hw14 [INFO] tweaked toml for git repo https://github.com/axel-kaliff/hw14 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/axel-kaliff/hw14 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12a6d63ca3b27f8837136d5ae6017e643cbc7e22e69f36783ee90d5803a531f6 [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" "12a6d63ca3b27f8837136d5ae6017e643cbc7e22e69f36783ee90d5803a531f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12a6d63ca3b27f8837136d5ae6017e643cbc7e22e69f36783ee90d5803a531f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12a6d63ca3b27f8837136d5ae6017e643cbc7e22e69f36783ee90d5803a531f6", kill_on_drop: false }` [INFO] [stdout] 12a6d63ca3b27f8837136d5ae6017e643cbc7e22e69f36783ee90d5803a531f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a5c73be6ae4b57ef8b6ae085e1b2d2d27770320c2d7edb7200b68982badedab [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" "4a5c73be6ae4b57ef8b6ae085e1b2d2d27770320c2d7edb7200b68982badedab", kill_on_drop: false }` [INFO] [stderr] Compiling hw14 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `number_of_cases` is assigned to, but never used [INFO] [stdout] --> src/wd.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut number_of_cases = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_number_of_cases` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `number_of_cases` is never read [INFO] [stdout] --> src/wd.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | number_of_cases = nums[0] as u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/wd.rs:30:33 [INFO] [stdout] | [INFO] [stdout] 30 | ... let mut max = cmp::min(cmp::min(x, s - x), cmp::min(y, s - y)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wd.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | &l.clear(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hw14::trojke::trojke` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use hw14::trojke::trojke; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4a5c73be6ae4b57ef8b6ae085e1b2d2d27770320c2d7edb7200b68982badedab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a5c73be6ae4b57ef8b6ae085e1b2d2d27770320c2d7edb7200b68982badedab", kill_on_drop: false }` [INFO] [stdout] 4a5c73be6ae4b57ef8b6ae085e1b2d2d27770320c2d7edb7200b68982badedab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d069ab6faa3f46aed95f86d64dc266d4da71df52ac4436e50f5639cf4a245ea [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" "1d069ab6faa3f46aed95f86d64dc266d4da71df52ac4436e50f5639cf4a245ea", kill_on_drop: false }` [INFO] [stdout] warning: variable `number_of_cases` is assigned to, but never used [INFO] [stdout] --> src/wd.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut number_of_cases = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_number_of_cases` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hw14 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `number_of_cases` is never read [INFO] [stdout] --> src/wd.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | number_of_cases = nums[0] as u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/wd.rs:30:33 [INFO] [stdout] | [INFO] [stdout] 30 | ... let mut max = cmp::min(cmp::min(x, s - x), cmp::min(y, s - y)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wd.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | &l.clear(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hw14::trojke::trojke` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use hw14::trojke::trojke; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `number_of_cases` is assigned to, but never used [INFO] [stdout] --> src/wd.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut number_of_cases = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_number_of_cases` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `number_of_cases` is never read [INFO] [stdout] --> src/wd.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | number_of_cases = nums[0] as u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/wd.rs:30:33 [INFO] [stdout] | [INFO] [stdout] 30 | ... let mut max = cmp::min(cmp::min(x, s - x), cmp::min(y, s - y)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/wd.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | &l.clear(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "1d069ab6faa3f46aed95f86d64dc266d4da71df52ac4436e50f5639cf4a245ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d069ab6faa3f46aed95f86d64dc266d4da71df52ac4436e50f5639cf4a245ea", kill_on_drop: false }` [INFO] [stdout] 1d069ab6faa3f46aed95f86d64dc266d4da71df52ac4436e50f5639cf4a245ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4a88eff6e6e0116c98b03953fca8be3ae302153c46b561b727e8fcfc2010bbb6 [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" "4a88eff6e6e0116c98b03953fca8be3ae302153c46b561b727e8fcfc2010bbb6", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable `number_of_cases` is assigned to, but never used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/wd.rs:5:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 5 | let mut number_of_cases = 0; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_number_of_cases` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `number_of_cases` is never read [INFO] [stderr] --> src/wd.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | number_of_cases = nums[0] as u32; [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: variable does not need to be mutable [INFO] [stderr] --> src/wd.rs:30:33 [INFO] [stderr] | [INFO] [stderr] 30 | ... let mut max = cmp::min(cmp::min(x, s - x), cmp::min(y, s - y)); [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: unused borrow that must be used [INFO] [stderr] --> src/wd.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | &l.clear(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `hw14` (lib) generated 4 warnings [INFO] [stderr] warning: unused import: `hw14::trojke::trojke` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use hw14::trojke::trojke; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `hw14` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: `hw14` (bin "hw14" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hw14-eee9f70e591c92ca) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hw14-7211ccd06c158aa7) [INFO] [stdout] [INFO] [stderr] Doc-tests hw14 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4a88eff6e6e0116c98b03953fca8be3ae302153c46b561b727e8fcfc2010bbb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a88eff6e6e0116c98b03953fca8be3ae302153c46b561b727e8fcfc2010bbb6", kill_on_drop: false }` [INFO] [stdout] 4a88eff6e6e0116c98b03953fca8be3ae302153c46b561b727e8fcfc2010bbb6