[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-jun1221%2Fatcoder-abc" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/K-jun1221/atcoder-abc on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8defd5e271a68d5777843a37ebbea85695a6ec296772725dde6990894820355
[INFO] running `Command { std: "docker" "start" "-a" "b8defd5e271a68d5777843a37ebbea85695a6ec296772725dde6990894820355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8defd5e271a68d5777843a37ebbea85695a6ec296772725dde6990894820355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8defd5e271a68d5777843a37ebbea85695a6ec296772725dde6990894820355", kill_on_drop: false }`
[INFO] [stdout] b8defd5e271a68d5777843a37ebbea85695a6ec296772725dde6990894820355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c41f402f553e2141224b14f9ffbc762ab2ddaee68daf1203c70fc24395824fd
[INFO] running `Command { std: "docker" "start" "-a" "5c41f402f553e2141224b14f9ffbc762ab2ddaee68daf1203c70fc24395824fd", 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 dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5c41f402f553e2141224b14f9ffbc762ab2ddaee68daf1203c70fc24395824fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c41f402f553e2141224b14f9ffbc762ab2ddaee68daf1203c70fc24395824fd", kill_on_drop: false }`
[INFO] [stdout] 5c41f402f553e2141224b14f9ffbc762ab2ddaee68daf1203c70fc24395824fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7fd8770d23931b26180a4cc18e00faccae93a3d9237c17d8dc07b1aff715e3c
[INFO] running `Command { std: "docker" "start" "-a" "b7fd8770d23931b26180a4cc18e00faccae93a3d9237c17d8dc07b1aff715e3c", 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "b7fd8770d23931b26180a4cc18e00faccae93a3d9237c17d8dc07b1aff715e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fd8770d23931b26180a4cc18e00faccae93a3d9237c17d8dc07b1aff715e3c", kill_on_drop: false }`
[INFO] [stdout] b7fd8770d23931b26180a4cc18e00faccae93a3d9237c17d8dc07b1aff715e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3987e5a1ca1f4dceb299498581bcc3d6fecc62cdc8b21939b4e3edc0e9bd033
[INFO] running `Command { std: "docker" "start" "-a" "d3987e5a1ca1f4dceb299498581bcc3d6fecc62cdc8b21939b4e3edc0e9bd033", 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: `atcoder-abc` (bin "exec_file" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exec_file-1a79237bbad9f0fc)
[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" "d3987e5a1ca1f4dceb299498581bcc3d6fecc62cdc8b21939b4e3edc0e9bd033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3987e5a1ca1f4dceb299498581bcc3d6fecc62cdc8b21939b4e3edc0e9bd033", kill_on_drop: false }`
[INFO] [stdout] d3987e5a1ca1f4dceb299498581bcc3d6fecc62cdc8b21939b4e3edc0e9bd033