[INFO] updating cached repository https://github.com/Yukio0315/CC10-Polyglottal-Rust
[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] e2c0e5d1536584902ecf4c7cf90e18d324255d17
[INFO] testing Yukio0315/CC10-Polyglottal-Rust against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYukio0315%2FCC10-Polyglottal-Rust" "/workspace/builds/worker-6/source"`
[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 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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] [stdout] d88b727435b0502cb11825ef007459aecd65b282c0308fa89a1c4aa5cd7f9291
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d88b727435b0502cb11825ef007459aecd65b282c0308fa89a1c4aa5cd7f9291"`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling sort-algorithm v0.1.0 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `"docker" "inspect" "d88b727435b0502cb11825ef007459aecd65b282c0308fa89a1c4aa5cd7f9291"`
[INFO] running `"docker" "rm" "-f" "d88b727435b0502cb11825ef007459aecd65b282c0308fa89a1c4aa5cd7f9291"`
[INFO] [stdout] d88b727435b0502cb11825ef007459aecd65b282c0308fa89a1c4aa5cd7f9291
[INFO] running `"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" "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] 553be72fd0917ff72314914577bd07cd2e00d03d699c841b9ed3b13a0827c82b
[INFO] running `"docker" "start" "-a" "553be72fd0917ff72314914577bd07cd2e00d03d699c841b9ed3b13a0827c82b"`
[INFO] [stderr]    Compiling sort-algorithm v0.1.0 (/opt/rustwide/workdir)
[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 0.47s
[INFO] running `"docker" "inspect" "553be72fd0917ff72314914577bd07cd2e00d03d699c841b9ed3b13a0827c82b"`
[INFO] running `"docker" "rm" "-f" "553be72fd0917ff72314914577bd07cd2e00d03d699c841b9ed3b13a0827c82b"`
[INFO] [stdout] 553be72fd0917ff72314914577bd07cd2e00d03d699c841b9ed3b13a0827c82b
[INFO] running `"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" "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] 22bbb69d7d0dbb49b5dcb67dd51ae692b1447e684072f59e68111b8a6c70023c
[INFO] running `"docker" "start" "-a" "22bbb69d7d0dbb49b5dcb67dd51ae692b1447e684072f59e68111b8a6c70023c"`
[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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sort_algorithm-f912289463ab781f
[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 `"docker" "inspect" "22bbb69d7d0dbb49b5dcb67dd51ae692b1447e684072f59e68111b8a6c70023c"`
[INFO] running `"docker" "rm" "-f" "22bbb69d7d0dbb49b5dcb67dd51ae692b1447e684072f59e68111b8a6c70023c"`
[INFO] [stdout] 22bbb69d7d0dbb49b5dcb67dd51ae692b1447e684072f59e68111b8a6c70023c