[INFO] cloning repository https://github.com/Yukio0315/CC10-Polyglottal-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yukio0315/CC10-Polyglottal-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2c0e5d1536584902ecf4c7cf90e18d324255d17
[INFO] testing Yukio0315/CC10-Polyglottal-Rust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust
[INFO] finished tweaking git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust
[INFO] tweaked toml for git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8343666e42b0ae25be5ee8a724a8205943c29f35b3ccf62ecde0945f45937b3d
[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" "8343666e42b0ae25be5ee8a724a8205943c29f35b3ccf62ecde0945f45937b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8343666e42b0ae25be5ee8a724a8205943c29f35b3ccf62ecde0945f45937b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8343666e42b0ae25be5ee8a724a8205943c29f35b3ccf62ecde0945f45937b3d", kill_on_drop: false }`
[INFO] [stdout] 8343666e42b0ae25be5ee8a724a8205943c29f35b3ccf62ecde0945f45937b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "build" "--frozen" "--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] 325330e55fcc198eddc82c71184c9bf63b804dba361cfee54179e2a23599511d
[INFO] running `Command { std: "docker" "start" "-a" "325330e55fcc198eddc82c71184c9bf63b804dba361cfee54179e2a23599511d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sort-algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/fetch_json.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn create() -> Result<(Vec<i32>), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                           ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]  --> src/selection_sort.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut tmp = (0, 0);
[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: unused variable: `min_order`
[INFO] [stdout]  --> src/selection_sort.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |             let (min_order, value) = tmp;
[INFO] [stdout]   |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_order`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/selection_sort.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (min_order, value) = tmp;
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "325330e55fcc198eddc82c71184c9bf63b804dba361cfee54179e2a23599511d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325330e55fcc198eddc82c71184c9bf63b804dba361cfee54179e2a23599511d", kill_on_drop: false }`
[INFO] [stdout] 325330e55fcc198eddc82c71184c9bf63b804dba361cfee54179e2a23599511d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3feb2d07f2091007b227b570c0794f143672e0ae94c141e59772a8d79ec5d319
[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" "3feb2d07f2091007b227b570c0794f143672e0ae94c141e59772a8d79ec5d319", kill_on_drop: false }`
[INFO] [stderr]    Compiling sort-algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/fetch_json.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn create() -> Result<(Vec<i32>), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                           ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]  --> src/selection_sort.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut tmp = (0, 0);
[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: unused variable: `min_order`
[INFO] [stdout]  --> src/selection_sort.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |             let (min_order, value) = tmp;
[INFO] [stdout]   |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_order`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/selection_sort.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let (min_order, value) = tmp;
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "3feb2d07f2091007b227b570c0794f143672e0ae94c141e59772a8d79ec5d319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3feb2d07f2091007b227b570c0794f143672e0ae94c141e59772a8d79ec5d319", kill_on_drop: false }`
[INFO] [stdout] 3feb2d07f2091007b227b570c0794f143672e0ae94c141e59772a8d79ec5d319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "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] 93f5b01195b3d106a8076b35973fce1671623d7a82ac919d39eb2540f967224f
[INFO] running `Command { std: "docker" "start" "-a" "93f5b01195b3d106a8076b35973fce1671623d7a82ac919d39eb2540f967224f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/fetch_json.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn create() -> Result<(Vec<i32>), Box<dyn std::error::Error>> {
[INFO] [stderr]   |                           ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]  --> src/selection_sort.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut tmp = (0, 0);
[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: `min_order`
[INFO] [stderr]  --> src/selection_sort.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let (min_order, value) = tmp;
[INFO] [stderr]   |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_order`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/selection_sort.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let (min_order, value) = tmp;
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sort_algorithm-046ff7ea9a3a017e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test selection_sort::test::sort_i32_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93f5b01195b3d106a8076b35973fce1671623d7a82ac919d39eb2540f967224f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f5b01195b3d106a8076b35973fce1671623d7a82ac919d39eb2540f967224f", kill_on_drop: false }`
[INFO] [stdout] 93f5b01195b3d106a8076b35973fce1671623d7a82ac919d39eb2540f967224f
