[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 beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fhw14" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axel-kaliff/hw14 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35dabaa3526df1d12058c68b49829ddfcf59c1769b68b79fcfca08e5c1eb7c30
[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" "35dabaa3526df1d12058c68b49829ddfcf59c1769b68b79fcfca08e5c1eb7c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35dabaa3526df1d12058c68b49829ddfcf59c1769b68b79fcfca08e5c1eb7c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dabaa3526df1d12058c68b49829ddfcf59c1769b68b79fcfca08e5c1eb7c30", kill_on_drop: false }`
[INFO] [stdout] 35dabaa3526df1d12058c68b49829ddfcf59c1769b68b79fcfca08e5c1eb7c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c7beca7096f4992e1b86d5599bd938ae0e2a6f5c73bc7bcdcf772ad9375a012
[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" "9c7beca7096f4992e1b86d5599bd938ae0e2a6f5c73bc7bcdcf772ad9375a012", 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:5:9
[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: 3 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "9c7beca7096f4992e1b86d5599bd938ae0e2a6f5c73bc7bcdcf772ad9375a012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7beca7096f4992e1b86d5599bd938ae0e2a6f5c73bc7bcdcf772ad9375a012", kill_on_drop: false }`
[INFO] [stdout] 9c7beca7096f4992e1b86d5599bd938ae0e2a6f5c73bc7bcdcf772ad9375a012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7ef31ae6fddf223092a8adbbe464ad077cf1d0073ce6b640bfe10e5f74bf556
[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" "d7ef31ae6fddf223092a8adbbe464ad077cf1d0073ce6b640bfe10e5f74bf556", kill_on_drop: false }`
[INFO] [stdout] warning: variable `number_of_cases` is assigned to, but never used
[INFO] [stdout]  --> src/wd.rs:5:9
[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: 3 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:5:9
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "d7ef31ae6fddf223092a8adbbe464ad077cf1d0073ce6b640bfe10e5f74bf556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ef31ae6fddf223092a8adbbe464ad077cf1d0073ce6b640bfe10e5f74bf556", kill_on_drop: false }`
[INFO] [stdout] d7ef31ae6fddf223092a8adbbe464ad077cf1d0073ce6b640bfe10e5f74bf556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 3246c7460af53ee53c6a09a9f161996630b7de6ce41af05928942e80a28b5dea
[INFO] running `Command { std: "docker" "start" "-a" "3246c7460af53ee53c6a09a9f161996630b7de6ce41af05928942e80a28b5dea", kill_on_drop: false }`
[INFO] [stderr] warning: variable `number_of_cases` is assigned to, but never used
[INFO] [stderr]  --> src/wd.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut number_of_cases = 0;
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable `number_of_cases` is assigned to, but never used
[INFO] [stderr]  --> src/wd.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut number_of_cases = 0;
[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: 3 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hw14-a8b5123a2f8eec1d
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hw14-6cebacfc9843f929
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hw14
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3246c7460af53ee53c6a09a9f161996630b7de6ce41af05928942e80a28b5dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3246c7460af53ee53c6a09a9f161996630b7de6ce41af05928942e80a28b5dea", kill_on_drop: false }`
[INFO] [stdout] 3246c7460af53ee53c6a09a9f161996630b7de6ce41af05928942e80a28b5dea
