[INFO] cloning repository https://github.com/sidsabh/rust-dsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sidsabh/rust-dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidsabh%2Frust-dsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidsabh%2Frust-dsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8873bf5aa7e4f837c5d040ea9996d62f7516b82c
[INFO] checking sidsabh/rust-dsa against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidsabh%2Frust-dsa" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sidsabh/rust-dsa
[INFO] finished tweaking git repo https://github.com/sidsabh/rust-dsa
[INFO] tweaked toml for git repo https://github.com/sidsabh/rust-dsa written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sidsabh/rust-dsa on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sidsabh/rust-dsa 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sidsabh/rust-dsa against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidsabh%2Frust-dsa" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sidsabh/rust-dsa
[INFO] finished tweaking git repo https://github.com/sidsabh/rust-dsa
[INFO] tweaked toml for git repo https://github.com/sidsabh/rust-dsa written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sidsabh/rust-dsa on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sidsabh/rust-dsa 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a74f817fff5421020cc37c86a1aecc532087652afca5330edcb9cc16f2f04d7
[INFO] running `Command { std: "docker" "start" "-a" "5a74f817fff5421020cc37c86a1aecc532087652afca5330edcb9cc16f2f04d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a74f817fff5421020cc37c86a1aecc532087652afca5330edcb9cc16f2f04d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a74f817fff5421020cc37c86a1aecc532087652afca5330edcb9cc16f2f04d7", kill_on_drop: false }`
[INFO] [stdout] 5a74f817fff5421020cc37c86a1aecc532087652afca5330edcb9cc16f2f04d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d2c882e33b671c1e13cd2c1f1664a9d1a8024c52114649517d14f75b186979
[INFO] running `Command { std: "docker" "start" "-a" "58d2c882e33b671c1e13cd2c1f1664a9d1a8024c52114649517d14f75b186979", kill_on_drop: false }`
[INFO] [stderr]     Checking dsa_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking rust-dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a_reader`
[INFO] [stdout]  --> src/bin/template.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve(a_reader: &mut Scanner<impl std::io::BufRead>, a_writer: &mut impl std::io::Write) {
[INFO] [stdout]   |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_reader`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_writer`
[INFO] [stdout]  --> src/bin/template.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve(a_reader: &mut Scanner<impl std::io::BufRead>, a_writer: &mut impl std::io::Write) {
[INFO] [stdout]   |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_reader`
[INFO] [stdout]  --> src/bin/template.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve(a_reader: &mut Scanner<impl std::io::BufRead>, a_writer: &mut impl std::io::Write) {
[INFO] [stdout]   |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_reader`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_writer`
[INFO] [stdout]  --> src/bin/template.rs:3:57
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve(a_reader: &mut Scanner<impl std::io::BufRead>, a_writer: &mut impl std::io::Write) {
[INFO] [stdout]   |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "58d2c882e33b671c1e13cd2c1f1664a9d1a8024c52114649517d14f75b186979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d2c882e33b671c1e13cd2c1f1664a9d1a8024c52114649517d14f75b186979", kill_on_drop: false }`
[INFO] [stdout] 58d2c882e33b671c1e13cd2c1f1664a9d1a8024c52114649517d14f75b186979
