[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 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yukio0315/CC10-Polyglottal-Rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feee03a95f3aa6c027deadcdcbb451b7ad8601b7b37c7e45aa52bba373d8a61e
[INFO] running `Command { std: "docker" "start" "-a" "feee03a95f3aa6c027deadcdcbb451b7ad8601b7b37c7e45aa52bba373d8a61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feee03a95f3aa6c027deadcdcbb451b7ad8601b7b37c7e45aa52bba373d8a61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feee03a95f3aa6c027deadcdcbb451b7ad8601b7b37c7e45aa52bba373d8a61e", kill_on_drop: false }`
[INFO] [stdout] feee03a95f3aa6c027deadcdcbb451b7ad8601b7b37c7e45aa52bba373d8a61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f01ad948fcd70d563502a3b04b67cb904ac82547f6fb842a0dfdab6cd0fe2ce5
[INFO] running `Command { std: "docker" "start" "-a" "f01ad948fcd70d563502a3b04b67cb904ac82547f6fb842a0dfdab6cd0fe2ce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[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]   |                           ^        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn create() -> Result<(Vec<i32>), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 + pub fn create() -> Result<Vec<i32>, Box<dyn std::error::Error>> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]  --> src/selection_sort.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut tmp = (0, 0);
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[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 1.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f01ad948fcd70d563502a3b04b67cb904ac82547f6fb842a0dfdab6cd0fe2ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01ad948fcd70d563502a3b04b67cb904ac82547f6fb842a0dfdab6cd0fe2ce5", kill_on_drop: false }`
[INFO] [stdout] f01ad948fcd70d563502a3b04b67cb904ac82547f6fb842a0dfdab6cd0fe2ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e39b4fec51990431c698c0b4e157f5cd73e66b6818b57ef5d29d13569cd572
[INFO] running `Command { std: "docker" "start" "-a" "47e39b4fec51990431c698c0b4e157f5cd73e66b6818b57ef5d29d13569cd572", 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]   |                           ^        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn create() -> Result<(Vec<i32>), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 + pub fn create() -> Result<Vec<i32>, Box<dyn std::error::Error>> {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]  --> src/selection_sort.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut tmp = (0, 0);
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[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 0.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "47e39b4fec51990431c698c0b4e157f5cd73e66b6818b57ef5d29d13569cd572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e39b4fec51990431c698c0b4e157f5cd73e66b6818b57ef5d29d13569cd572", kill_on_drop: false }`
[INFO] [stdout] 47e39b4fec51990431c698c0b4e157f5cd73e66b6818b57ef5d29d13569cd572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c2059be833086eccbf7a6d850f4d41a410f63df50994a717c4ef92c9f0e34bb
[INFO] running `Command { std: "docker" "start" "-a" "4c2059be833086eccbf7a6d850f4d41a410f63df50994a717c4ef92c9f0e34bb", kill_on_drop: false }`
[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]   |                           ^        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn create() -> Result<(Vec<i32>), Box<dyn std::error::Error>> {
[INFO] [stderr] 5 + pub fn create() -> Result<Vec<i32>, Box<dyn std::error::Error>> {
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]  --> src/selection_sort.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut tmp = (0, 0);
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[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: `sort-algorithm` (bin "sort-algorithm" test) generated 4 warnings (run `cargo fix --bin "sort-algorithm" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sort_algorithm-62a7d4263319bc09)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c2059be833086eccbf7a6d850f4d41a410f63df50994a717c4ef92c9f0e34bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2059be833086eccbf7a6d850f4d41a410f63df50994a717c4ef92c9f0e34bb", kill_on_drop: false }`
[INFO] [stdout] 4c2059be833086eccbf7a6d850f4d41a410f63df50994a717c4ef92c9f0e34bb
