[INFO] cloning repository https://github.com/K-jun1221/atcoder-abc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/K-jun1221/atcoder-abc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-jun1221%2Fatcoder-abc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-jun1221%2Fatcoder-abc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f936208675c48cce85e2db31497a88e437a754f1
[INFO] testing K-jun1221/atcoder-abc against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-jun1221%2Fatcoder-abc" "/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/K-jun1221/atcoder-abc 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/K-jun1221/atcoder-abc
[INFO] finished tweaking git repo https://github.com/K-jun1221/atcoder-abc
[INFO] tweaked toml for git repo https://github.com/K-jun1221/atcoder-abc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/K-jun1221/atcoder-abc 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] 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] 97d5df5d8ff50ad22690d81688e1e89402cb7bcb54f58fe911f16fdc8c16e0b9
[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" "97d5df5d8ff50ad22690d81688e1e89402cb7bcb54f58fe911f16fdc8c16e0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97d5df5d8ff50ad22690d81688e1e89402cb7bcb54f58fe911f16fdc8c16e0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d5df5d8ff50ad22690d81688e1e89402cb7bcb54f58fe911f16fdc8c16e0b9", kill_on_drop: false }`
[INFO] [stdout] 97d5df5d8ff50ad22690d81688e1e89402cb7bcb54f58fe911f16fdc8c16e0b9
[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] 8fca2647dab5b067bd3377884ffae5c97a1bf9d9df75f0057dc6b754a0822ae5
[INFO] running `Command { std: "docker" "start" "-a" "8fca2647dab5b067bd3377884ffae5c97a1bf9d9df75f0057dc6b754a0822ae5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atcoder-abc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/abc64_d.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n: usize = read();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top`
[INFO] [stdout]   --> src/abc64_d.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let top = stack.pop_front();
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_top`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "8fca2647dab5b067bd3377884ffae5c97a1bf9d9df75f0057dc6b754a0822ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fca2647dab5b067bd3377884ffae5c97a1bf9d9df75f0057dc6b754a0822ae5", kill_on_drop: false }`
[INFO] [stdout] 8fca2647dab5b067bd3377884ffae5c97a1bf9d9df75f0057dc6b754a0822ae5
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b32a2a684d0b79c0b5dfb3500ac4e06a77e8eda5ed2d02886d7bbeccc36b4aa7
[INFO] running `Command { std: "docker" "start" "-a" "b32a2a684d0b79c0b5dfb3500ac4e06a77e8eda5ed2d02886d7bbeccc36b4aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling atcoder-abc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/abc64_d.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n: usize = read();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top`
[INFO] [stdout]   --> src/abc64_d.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let top = stack.pop_front();
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_top`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "b32a2a684d0b79c0b5dfb3500ac4e06a77e8eda5ed2d02886d7bbeccc36b4aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32a2a684d0b79c0b5dfb3500ac4e06a77e8eda5ed2d02886d7bbeccc36b4aa7", kill_on_drop: false }`
[INFO] [stdout] b32a2a684d0b79c0b5dfb3500ac4e06a77e8eda5ed2d02886d7bbeccc36b4aa7
[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] [stdout] 12e55583514da67edd9d460e4e07b653f6b596100bf212b9f877b3d9a6718223
[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" "12e55583514da67edd9d460e4e07b653f6b596100bf212b9f877b3d9a6718223", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/abc64_d.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let n: usize = read();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `top`
[INFO] [stderr]   --> src/abc64_d.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 let top = stack.pop_front();
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_top`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exec_file-e8e1da6e50a06869
[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" "12e55583514da67edd9d460e4e07b653f6b596100bf212b9f877b3d9a6718223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e55583514da67edd9d460e4e07b653f6b596100bf212b9f877b3d9a6718223", kill_on_drop: false }`
[INFO] [stdout] 12e55583514da67edd9d460e4e07b653f6b596100bf212b9f877b3d9a6718223
