[INFO] cloning repository https://github.com/takus69/ahc034
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takus69/ahc034" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc034", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc034'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37a0928309a2cdd55cfd25cd08f48a66da2cf2a5
[INFO] testing takus69/ahc034 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc034" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takus69/ahc034
[INFO] finished tweaking git repo https://github.com/takus69/ahc034
[INFO] tweaked toml for git repo https://github.com/takus69/ahc034 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takus69/ahc034 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takus69/ahc034 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d9bfd824c4a86d20c771886e0e6c0ecaf4a6ba94ffca183a87dc9ac60913bf6
[INFO] running `Command { std: "docker" "start" "-a" "8d9bfd824c4a86d20c771886e0e6c0ecaf4a6ba94ffca183a87dc9ac60913bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9bfd824c4a86d20c771886e0e6c0ecaf4a6ba94ffca183a87dc9ac60913bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9bfd824c4a86d20c771886e0e6c0ecaf4a6ba94ffca183a87dc9ac60913bf6", kill_on_drop: false }`
[INFO] [stdout] 8d9bfd824c4a86d20c771886e0e6c0ecaf4a6ba94ffca183a87dc9ac60913bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 62119232af5aeb0b8ec97cf68123db9fc0997ac243a71db8c75e3c76e12e20b7
[INFO] running `Command { std: "docker" "start" "-a" "62119232af5aeb0b8ec97cf68123db9fc0997ac243a71db8c75e3c76e12e20b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proconio v0.4.5
[INFO] [stderr]    Compiling ahc034 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `row_sum`
[INFO] [stdout]    --> src/main.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let row_sum: i32 = solver.h[pos.0].iter().map(|x| x.abs()).sum();
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_sum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Solver {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 14 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "62119232af5aeb0b8ec97cf68123db9fc0997ac243a71db8c75e3c76e12e20b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62119232af5aeb0b8ec97cf68123db9fc0997ac243a71db8c75e3c76e12e20b7", kill_on_drop: false }`
[INFO] [stdout] 62119232af5aeb0b8ec97cf68123db9fc0997ac243a71db8c75e3c76e12e20b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b095594fd0946e14f1e52e35fe1336990a930ef34ac7426fc7b2cedeb99c2af6
[INFO] running `Command { std: "docker" "start" "-a" "b095594fd0946e14f1e52e35fe1336990a930ef34ac7426fc7b2cedeb99c2af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahc034 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `row_sum`
[INFO] [stdout]    --> src/main.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let row_sum: i32 = solver.h[pos.0].iter().map(|x| x.abs()).sum();
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_sum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Solver {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 14 |     n: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b095594fd0946e14f1e52e35fe1336990a930ef34ac7426fc7b2cedeb99c2af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b095594fd0946e14f1e52e35fe1336990a930ef34ac7426fc7b2cedeb99c2af6", kill_on_drop: false }`
[INFO] [stdout] b095594fd0946e14f1e52e35fe1336990a930ef34ac7426fc7b2cedeb99c2af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] aa8aea6c821cdc275b31bf98d235ddd78d1c72f7b60748bb34ae38f03ea49ef9
[INFO] running `Command { std: "docker" "start" "-a" "aa8aea6c821cdc275b31bf98d235ddd78d1c72f7b60748bb34ae38f03ea49ef9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `row_sum`
[INFO] [stderr]    --> src/main.rs:170:21
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let row_sum: i32 = solver.h[pos.0].iter().map(|x| x.abs()).sum();
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_sum`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `n` is never read
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Solver {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 14 |     n: usize,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ahc034` (bin "ahc034" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ahc034-fa412f37664765bc)
[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" "aa8aea6c821cdc275b31bf98d235ddd78d1c72f7b60748bb34ae38f03ea49ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8aea6c821cdc275b31bf98d235ddd78d1c72f7b60748bb34ae38f03ea49ef9", kill_on_drop: false }`
[INFO] [stdout] aa8aea6c821cdc275b31bf98d235ddd78d1c72f7b60748bb34ae38f03ea49ef9