[INFO] cloning repository https://github.com/jamie-null/day08
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamie-null/day08" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamie-null%2Fday08", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamie-null%2Fday08'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb74a447e8479fb991916dae6d3ffdc86841a6d1
[INFO] testing jamie-null/day08 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamie-null%2Fday08" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamie-null/day08 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamie-null/day08
[INFO] finished tweaking git repo https://github.com/jamie-null/day08
[INFO] tweaked toml for git repo https://github.com/jamie-null/day08 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jamie-null/day08 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 481f978e782e5624a18ee30f2abf4a3fbf5046ee6e0b5c6d60a8f86d1fada05e
[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" "481f978e782e5624a18ee30f2abf4a3fbf5046ee6e0b5c6d60a8f86d1fada05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "481f978e782e5624a18ee30f2abf4a3fbf5046ee6e0b5c6d60a8f86d1fada05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481f978e782e5624a18ee30f2abf4a3fbf5046ee6e0b5c6d60a8f86d1fada05e", kill_on_drop: false }`
[INFO] [stdout] 481f978e782e5624a18ee30f2abf4a3fbf5046ee6e0b5c6d60a8f86d1fada05e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 7f9619239238d512965d95d9ad8a7a28a3ae22feb02caf69cff09007f2178126
[INFO] running `Command { std: "docker" "start" "-a" "7f9619239238d512965d95d9ad8a7a28a3ae22feb02caf69cff09007f2178126", kill_on_drop: false }`
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let last = ctr;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "7f9619239238d512965d95d9ad8a7a28a3ae22feb02caf69cff09007f2178126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9619239238d512965d95d9ad8a7a28a3ae22feb02caf69cff09007f2178126", kill_on_drop: false }`
[INFO] [stdout] 7f9619239238d512965d95d9ad8a7a28a3ae22feb02caf69cff09007f2178126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] b5a8848c8d0dcdf78c13572fc9ffe877cbd296bf3282a3735d583ac479a853c8
[INFO] running `Command { std: "docker" "start" "-a" "b5a8848c8d0dcdf78c13572fc9ffe877cbd296bf3282a3735d583ac479a853c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let last = ctr;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b5a8848c8d0dcdf78c13572fc9ffe877cbd296bf3282a3735d583ac479a853c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a8848c8d0dcdf78c13572fc9ffe877cbd296bf3282a3735d583ac479a853c8", kill_on_drop: false }`
[INFO] [stdout] b5a8848c8d0dcdf78c13572fc9ffe877cbd296bf3282a3735d583ac479a853c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] 7be8d4720f8cae34bcda3c161ee8477a07ce51c0d5cf3a6063f11a2ec4b00e08
[INFO] running `Command { std: "docker" "start" "-a" "7be8d4720f8cae34bcda3c161ee8477a07ce51c0d5cf3a6063f11a2ec4b00e08", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `last`
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let last = ctr;
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day08` (bin "day08" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day08-df75e616ff46a675)
[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" "7be8d4720f8cae34bcda3c161ee8477a07ce51c0d5cf3a6063f11a2ec4b00e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be8d4720f8cae34bcda3c161ee8477a07ce51c0d5cf3a6063f11a2ec4b00e08", kill_on_drop: false }`
[INFO] [stdout] 7be8d4720f8cae34bcda3c161ee8477a07ce51c0d5cf3a6063f11a2ec4b00e08