[INFO] cloning repository https://github.com/LorenzoFerri/ai_cup_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LorenzoFerri/ai_cup_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorenzoFerri%2Fai_cup_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorenzoFerri%2Fai_cup_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d26b4fcf31aeaa05cbb9784c5ba343553ba30a6
[INFO] checking LorenzoFerri/ai_cup_rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorenzoFerri%2Fai_cup_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LorenzoFerri/ai_cup_rust
[INFO] finished tweaking git repo https://github.com/LorenzoFerri/ai_cup_rust
[INFO] tweaked toml for git repo https://github.com/LorenzoFerri/ai_cup_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LorenzoFerri/ai_cup_rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LorenzoFerri/ai_cup_rust 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d711971db7de930cd3494d03f88f0e558705cfa4e343ccb59623d656c542d5
[INFO] running `Command { std: "docker" "start" "-a" "85d711971db7de930cd3494d03f88f0e558705cfa4e343ccb59623d656c542d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d711971db7de930cd3494d03f88f0e558705cfa4e343ccb59623d656c542d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d711971db7de930cd3494d03f88f0e558705cfa4e343ccb59623d656c542d5", kill_on_drop: false }`
[INFO] [stdout] 85d711971db7de930cd3494d03f88f0e558705cfa4e343ccb59623d656c542d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bea1463f1f0ac9b238d6e8dba0654f88c071e2b477b0ecfb6c001959a15ece00
[INFO] running `Command { std: "docker" "start" "-a" "bea1463f1f0ac9b238d6e8dba0654f88c071e2b477b0ecfb6c001959a15ece00", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_seeder v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking nalgebra v0.26.1
[INFO] [stderr]     Checking ai_cup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/point.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Point {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     id: u16,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `comment` are never read
[INFO] [stdout]  --> src/problem.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Problem {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub comment: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/point.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Point {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     id: u16,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `comment` are never read
[INFO] [stdout]  --> src/problem.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Problem {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub comment: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/problem.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |                         ["NAME", ":", x] => name = x.parse().ok(),
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/problem.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |                         ["NAME", ":", x] => name = x.parse().ok(),
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/problem.rs:30:58
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         ["COMMENT", ":", x] => comment = x.parse().ok(),
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/problem.rs:30:58
[INFO] [stdout]    |
[INFO] [stdout] 30 |                         ["COMMENT", ":", x] => comment = x.parse().ok(),
[INFO] [stdout]    |                                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ai_cup` (bin "ai_cup" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ai_cup` (bin "ai_cup") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bea1463f1f0ac9b238d6e8dba0654f88c071e2b477b0ecfb6c001959a15ece00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea1463f1f0ac9b238d6e8dba0654f88c071e2b477b0ecfb6c001959a15ece00", kill_on_drop: false }`
[INFO] [stdout] bea1463f1f0ac9b238d6e8dba0654f88c071e2b477b0ecfb6c001959a15ece00