[INFO] cloning repository https://github.com/skrobchik/scary_numbers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skrobchik/scary_numbers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrobchik%2Fscary_numbers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrobchik%2Fscary_numbers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06516a70b059c1e77cfb62db0f1c81639488ef99
[INFO] checking skrobchik/scary_numbers against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrobchik%2Fscary_numbers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skrobchik/scary_numbers
[INFO] finished tweaking git repo https://github.com/skrobchik/scary_numbers
[INFO] tweaked toml for git repo https://github.com/skrobchik/scary_numbers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skrobchik/scary_numbers on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skrobchik/scary_numbers 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.0
[INFO] [stderr]   Downloaded indicatif v0.17.3
[INFO] [stderr]   Downloaded pyo3-macros v0.18.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.5
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.0
[INFO] [stderr]   Downloaded portable-atomic v0.3.19
[INFO] [stderr]   Downloaded pyo3 v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2beaa0704e4f67d3cadcbd190e16193f51fdcb5ba9e8ad40a2f46ce11ceddaa5
[INFO] running `Command { std: "docker" "start" "-a" "2beaa0704e4f67d3cadcbd190e16193f51fdcb5ba9e8ad40a2f46ce11ceddaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2beaa0704e4f67d3cadcbd190e16193f51fdcb5ba9e8ad40a2f46ce11ceddaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2beaa0704e4f67d3cadcbd190e16193f51fdcb5ba9e8ad40a2f46ce11ceddaa5", kill_on_drop: false }`
[INFO] [stdout] 2beaa0704e4f67d3cadcbd190e16193f51fdcb5ba9e8ad40a2f46ce11ceddaa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 916285adc5a7763761b695410b8a0eacda2fcda490bc7ef16874fe70cbf58eb6
[INFO] running `Command { std: "docker" "start" "-a" "916285adc5a7763761b695410b8a0eacda2fcda490bc7ef16874fe70cbf58eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.5
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking indicatif v0.17.3
[INFO] [stderr]    Compiling pyo3-build-config v0.18.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.18.0
[INFO] [stderr]    Compiling pyo3 v0.18.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.18.0
[INFO] [stderr]    Compiling pyo3-macros v0.18.0
[INFO] [stderr]     Checking scary_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bitset.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .intersperse(", ".to_string())
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bitset.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .intersperse(", ".to_string())
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn count_solvable_targets(game: (i32, i32, i32, i32, i32)) -> i32 {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn count_solvable_targets(game: (i32, i32, i32, i32, i32)) -> i32 {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_solvable_targets` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn count_solvable_targets(game: (i32, i32, i32, i32, i32)) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_solvable_targets` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn count_solvable_targets(game: (i32, i32, i32, i32, i32)) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitSet` is never constructed
[INFO] [stdout]  --> src/bitset.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct BitSet {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `contains`, and `insert` are never used
[INFO] [stdout]   --> src/bitset.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl BitSet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> BitSet {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn contains(&self, value: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn insert(&mut self, value: u32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "916285adc5a7763761b695410b8a0eacda2fcda490bc7ef16874fe70cbf58eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916285adc5a7763761b695410b8a0eacda2fcda490bc7ef16874fe70cbf58eb6", kill_on_drop: false }`
[INFO] [stdout] 916285adc5a7763761b695410b8a0eacda2fcda490bc7ef16874fe70cbf58eb6
