[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 try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-jun1221%2Fatcoder-abc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/K-jun1221/atcoder-abc on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-7/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] 85227196e09865b095a0efa263153577dd9644690bca8f014399e7e0e26e3256
[INFO] running `Command { std: "docker" "start" "-a" "85227196e09865b095a0efa263153577dd9644690bca8f014399e7e0e26e3256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85227196e09865b095a0efa263153577dd9644690bca8f014399e7e0e26e3256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85227196e09865b095a0efa263153577dd9644690bca8f014399e7e0e26e3256", kill_on_drop: false }`
[INFO] [stdout] 85227196e09865b095a0efa263153577dd9644690bca8f014399e7e0e26e3256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785914accc9952868b064b81d640d678ac6c6c9e44e941317fa69971fdbb1a62
[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" "785914accc9952868b064b81d640d678ac6c6c9e44e941317fa69971fdbb1a62", 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 1.67s
[INFO] running `Command { std: "docker" "inspect" "785914accc9952868b064b81d640d678ac6c6c9e44e941317fa69971fdbb1a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785914accc9952868b064b81d640d678ac6c6c9e44e941317fa69971fdbb1a62", kill_on_drop: false }`
[INFO] [stdout] 785914accc9952868b064b81d640d678ac6c6c9e44e941317fa69971fdbb1a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949e7440bf796aefff59a0dc15da2fded7f6d1f4e84c4247bf79e6ee8fccf6c2
[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" "949e7440bf796aefff59a0dc15da2fded7f6d1f4e84c4247bf79e6ee8fccf6c2", 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "949e7440bf796aefff59a0dc15da2fded7f6d1f4e84c4247bf79e6ee8fccf6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949e7440bf796aefff59a0dc15da2fded7f6d1f4e84c4247bf79e6ee8fccf6c2", kill_on_drop: false }`
[INFO] [stdout] 949e7440bf796aefff59a0dc15da2fded7f6d1f4e84c4247bf79e6ee8fccf6c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 011bc52e2e9901f472096d8282a71c2cbc7c969586ea57342be71dc49fa1b5ad
[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" "011bc52e2e9901f472096d8282a71c2cbc7c969586ea57342be71dc49fa1b5ad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/abc64_d.rs:19:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 19 |     let n: usize = read();
[INFO] [stdout] 
[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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exec_file-c016aace2394324b
[INFO] running `Command { std: "docker" "inspect" "011bc52e2e9901f472096d8282a71c2cbc7c969586ea57342be71dc49fa1b5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011bc52e2e9901f472096d8282a71c2cbc7c969586ea57342be71dc49fa1b5ad", kill_on_drop: false }`
[INFO] [stdout] 011bc52e2e9901f472096d8282a71c2cbc7c969586ea57342be71dc49fa1b5ad