[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] checking FlrnFrmm/hashcode-2020 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlrnFrmm%2Fhashcode-2020" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  83% (10/12)
Updating files:  91% (11/12)
Updating files: 100% (12/12)
Updating files: 100% (12/12), done.
[INFO] validating manifest of git repo https://github.com/FlrnFrmm/hashcode-2020 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-33/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acb545783837d0a2fb4d0c4fa93d14236d4c239e989d08f61425df3f1e70fce2
[INFO] running `Command { std: "docker" "start" "-a" "acb545783837d0a2fb4d0c4fa93d14236d4c239e989d08f61425df3f1e70fce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acb545783837d0a2fb4d0c4fa93d14236d4c239e989d08f61425df3f1e70fce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb545783837d0a2fb4d0c4fa93d14236d4c239e989d08f61425df3f1e70fce2", kill_on_drop: false }`
[INFO] [stdout] acb545783837d0a2fb4d0c4fa93d14236d4c239e989d08f61425df3f1e70fce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8215edb28db4ae0c3deb3199c9c6ccd85fd3a112b8ac08e22e0f220c9675792a
[INFO] running `Command { std: "docker" "start" "-a" "8215edb28db4ae0c3deb3199c9c6ccd85fd3a112b8ac08e22e0f220c9675792a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "8215edb28db4ae0c3deb3199c9c6ccd85fd3a112b8ac08e22e0f220c9675792a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8215edb28db4ae0c3deb3199c9c6ccd85fd3a112b8ac08e22e0f220c9675792a", kill_on_drop: false }`
[INFO] [stdout] 8215edb28db4ae0c3deb3199c9c6ccd85fd3a112b8ac08e22e0f220c9675792a