[INFO] cloning repository https://github.com/FlrnFrmm/hashcode-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FlrnFrmm/hashcode-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlrnFrmm%2Fhashcode-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlrnFrmm%2Fhashcode-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7604254ba30539c4e01a0af762c5f97706a32b44
[INFO] testing FlrnFrmm/hashcode-2020 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlrnFrmm%2Fhashcode-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FlrnFrmm/hashcode-2020 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FlrnFrmm/hashcode-2020
[INFO] finished tweaking git repo https://github.com/FlrnFrmm/hashcode-2020
[INFO] tweaked toml for git repo https://github.com/FlrnFrmm/hashcode-2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/FlrnFrmm/hashcode-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 1a3049fc55e478d14465e1680570574544a01439fdae3edae6bf0d02be17ea72
[INFO] running `Command { std: "docker" "start" "-a" "1a3049fc55e478d14465e1680570574544a01439fdae3edae6bf0d02be17ea72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a3049fc55e478d14465e1680570574544a01439fdae3edae6bf0d02be17ea72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3049fc55e478d14465e1680570574544a01439fdae3edae6bf0d02be17ea72", kill_on_drop: false }`
[INFO] [stdout] 1a3049fc55e478d14465e1680570574544a01439fdae3edae6bf0d02be17ea72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa84962905811f669406511f8eeee45354e4f36b9d7923f4acfd0a436a35f67a
[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" "aa84962905811f669406511f8eeee45354e4f36b9d7923f4acfd0a436a35f67a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashcode-20202 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `books_per_day`
[INFO] [stdout]   --> src/library.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     books_per_day: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `books_count`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     books_count: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_output`
[INFO] [stdout]   --> src/parser.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn generate_output(book_scores: Vec<(i32, Vec<i32>)>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "aa84962905811f669406511f8eeee45354e4f36b9d7923f4acfd0a436a35f67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa84962905811f669406511f8eeee45354e4f36b9d7923f4acfd0a436a35f67a", kill_on_drop: false }`
[INFO] [stdout] aa84962905811f669406511f8eeee45354e4f36b9d7923f4acfd0a436a35f67a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f775ab595ac6a95e83891d2f50a8db6fd823341be14a74648b6f6bb66905cf1b
[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" "f775ab595ac6a95e83891d2f50a8db6fd823341be14a74648b6f6bb66905cf1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashcode-20202 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `books_per_day`
[INFO] [stdout]   --> src/library.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     books_per_day: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `books_count`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     books_count: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_output`
[INFO] [stdout]   --> src/parser.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn generate_output(book_scores: Vec<(i32, Vec<i32>)>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "f775ab595ac6a95e83891d2f50a8db6fd823341be14a74648b6f6bb66905cf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f775ab595ac6a95e83891d2f50a8db6fd823341be14a74648b6f6bb66905cf1b", kill_on_drop: false }`
[INFO] [stdout] f775ab595ac6a95e83891d2f50a8db6fd823341be14a74648b6f6bb66905cf1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43df233c56d20465f69d366ca864be411c27100ff166bbde605fc45f7f0bc84d
[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" "43df233c56d20465f69d366ca864be411c27100ff166bbde605fc45f7f0bc84d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `books_per_day`
[INFO] [stderr]   --> src/library.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     books_per_day: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `books_count`
[INFO] [stderr]  --> src/parser.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     books_count: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_output`
[INFO] [stderr]   --> src/parser.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn generate_output(book_scores: Vec<(i32, Vec<i32>)>) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hashcode-20202` (bin "hashcode-20202" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashcode_20202-2412b9174ed69dc3)
[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" "43df233c56d20465f69d366ca864be411c27100ff166bbde605fc45f7f0bc84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43df233c56d20465f69d366ca864be411c27100ff166bbde605fc45f7f0bc84d", kill_on_drop: false }`
[INFO] [stdout] 43df233c56d20465f69d366ca864be411c27100ff166bbde605fc45f7f0bc84d