[INFO] cloning repository phorden/Rust-Types-And-Variables
[INFO] running `"git" "clone" "--bare" "git://github.com/phorden/Rust-Types-And-Variables.git" "work/cache/sources/gh/phorden/Rust-Types-And-Variables"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/phorden/Rust-Types-And-Variables'...
[INFO] running `"git" "clone" "work/cache/sources/gh/phorden/Rust-Types-And-Variables" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/phorden/Rust-Types-And-Variables"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/phorden/Rust-Types-And-Variables'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phorden/Rust-Types-And-Variables" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/phorden/Rust-Types-And-Variables"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/phorden/Rust-Types-And-Variables'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33f4fbbb4ab4619f15acc5883564b09f5bbaf448
[INFO] sha for GitHub repo phorden/Rust-Types-And-Variables: 33f4fbbb4ab4619f15acc5883564b09f5bbaf448
[INFO] validating manifest of phorden/Rust-Types-And-Variables on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phorden/Rust-Types-And-Variables on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phorden/Rust-Types-And-Variables
[INFO] finished frobbing phorden/Rust-Types-And-Variables
[INFO] frobbed toml for phorden/Rust-Types-And-Variables written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/phorden/Rust-Types-And-Variables/Cargo.toml
[INFO] started frobbing phorden/Rust-Types-And-Variables
[INFO] finished frobbing phorden/Rust-Types-And-Variables
[INFO] frobbed toml for phorden/Rust-Types-And-Variables written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/phorden/Rust-Types-And-Variables/Cargo.toml
[INFO] crate phorden/Rust-Types-And-Variables already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking phorden/Rust-Types-And-Variables against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/phorden/Rust-Types-And-Variables:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31e9a61430e0cd56e1591fb68390633b63545ea391d64007b323c8c9752addda
[INFO] running `"docker" "start" "-a" "31e9a61430e0cd56e1591fb68390633b63545ea391d64007b323c8c9752addda"`
[INFO] [stderr]     Checking TypesAndVariables v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pi_less_four`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let pi_less_four = std::f64::consts::PI < 4.0; // true
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pi_less_four`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_is_five`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let x_is_five = x == 5; // true
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_x_is_five`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scope_and_shadowing`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn scope_and_shadowing() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `operators`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn operators() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `TypesAndVariables` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `types_and_variables`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pi_less_four`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let pi_less_four = std::f64::consts::PI < 4.0; // true
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_pi_less_four`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_is_five`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let x_is_five = x == 5; // true
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_x_is_five`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scope_and_shadowing`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn scope_and_shadowing() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `operators`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn operators() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `TypesAndVariables` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `types_and_variables`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "31e9a61430e0cd56e1591fb68390633b63545ea391d64007b323c8c9752addda"`
[INFO] running `"docker" "rm" "-f" "31e9a61430e0cd56e1591fb68390633b63545ea391d64007b323c8c9752addda"`
[INFO] [stdout] 31e9a61430e0cd56e1591fb68390633b63545ea391d64007b323c8c9752addda