[INFO] fetching crate rusty-santa 0.1.0...
[INFO] building rusty-santa-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rusty-santa 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rusty-santa 0.1.0
[INFO] finished tweaking crates.io crate rusty-santa 0.1.0
[INFO] tweaked toml for crates.io crate rusty-santa 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-santa 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.4.3 (available: v0.11.8)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d900070edf40ad39f73f25640cf3dd30ead060e42d9d9fb1729795c91637583
[INFO] running `Command { std: "docker" "start" "-a" "1d900070edf40ad39f73f25640cf3dd30ead060e42d9d9fb1729795c91637583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d900070edf40ad39f73f25640cf3dd30ead060e42d9d9fb1729795c91637583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d900070edf40ad39f73f25640cf3dd30ead060e42d9d9fb1729795c91637583", kill_on_drop: false }`
[INFO] [stdout] 1d900070edf40ad39f73f25640cf3dd30ead060e42d9d9fb1729795c91637583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4013eace10edb40bf758243116117ab20b425842edf59b29d94bb2c8cfc5bd4
[INFO] running `Command { std: "docker" "start" "-a" "d4013eace10edb40bf758243116117ab20b425842edf59b29d94bb2c8cfc5bd4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get` and `size` are never used
[INFO] [stdout]    --> src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn get(&self, x: &str, y: &str) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d4013eace10edb40bf758243116117ab20b425842edf59b29d94bb2c8cfc5bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4013eace10edb40bf758243116117ab20b425842edf59b29d94bb2c8cfc5bd4", kill_on_drop: false }`
[INFO] [stdout] d4013eace10edb40bf758243116117ab20b425842edf59b29d94bb2c8cfc5bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31575cdb5b25673c8b2c3eb66d232bf5763d62c9d520c9eb1a607e82cc740e6a
[INFO] running `Command { std: "docker" "start" "-a" "31575cdb5b25673c8b2c3eb66d232bf5763d62c9d520c9eb1a607e82cc740e6a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stdout] warning: methods `get` and `size` are never used
[INFO] [stdout]    --> src/lib.rs:64:12
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     pub fn get(&self, x: &str, y: &str) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut matrix = Matrix::new(keys);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         for i in 0..1000 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |             group.assign();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 358 |             let _ = group.assign();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "31575cdb5b25673c8b2c3eb66d232bf5763d62c9d520c9eb1a607e82cc740e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31575cdb5b25673c8b2c3eb66d232bf5763d62c9d520c9eb1a607e82cc740e6a", kill_on_drop: false }`
[INFO] [stdout] 31575cdb5b25673c8b2c3eb66d232bf5763d62c9d520c9eb1a607e82cc740e6a
