[INFO] cloning repository MidgeOnGithub/vending-machine
[INFO] running `"git" "clone" "--bare" "git://github.com/MidgeOnGithub/vending-machine.git" "work/cache/sources/gh/MidgeOnGithub/vending-machine"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/MidgeOnGithub/vending-machine'...
[INFO] running `"git" "clone" "work/cache/sources/gh/MidgeOnGithub/vending-machine" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MidgeOnGithub/vending-machine"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MidgeOnGithub/vending-machine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MidgeOnGithub/vending-machine" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/MidgeOnGithub/vending-machine"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/MidgeOnGithub/vending-machine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b594de1b5439d492fdca466fe95bd087728fe9ab
[INFO] sha for GitHub repo MidgeOnGithub/vending-machine: b594de1b5439d492fdca466fe95bd087728fe9ab
[INFO] validating manifest of MidgeOnGithub/vending-machine on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MidgeOnGithub/vending-machine on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MidgeOnGithub/vending-machine
[INFO] finished frobbing MidgeOnGithub/vending-machine
[INFO] frobbed toml for MidgeOnGithub/vending-machine written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MidgeOnGithub/vending-machine/Cargo.toml
[INFO] started frobbing MidgeOnGithub/vending-machine
[INFO] finished frobbing MidgeOnGithub/vending-machine
[INFO] frobbed toml for MidgeOnGithub/vending-machine written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/MidgeOnGithub/vending-machine/Cargo.toml
[INFO] crate MidgeOnGithub/vending-machine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking MidgeOnGithub/vending-machine against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MidgeOnGithub/vending-machine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 67c8adf08def06b21a3715251cad7bcd534c8e9050a807be97e00e92325d9bdf
[INFO] running `"docker" "start" "-a" "67c8adf08def06b21a3715251cad7bcd534c8e9050a807be97e00e92325d9bdf"`
[INFO] [stderr]     Checking vending_machine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::read_to_string`
[INFO] [stderr]  --> src/vending/cashier.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::read_to_string;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::raw::c_void`
[INFO] [stderr]  --> src/vending/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::raw::c_void;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/vending/mod.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 |             remainder => price += (NICKEL - remainder)
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::read_to_string`
[INFO] [stderr]  --> src/vending/cashier.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::read_to_string;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::raw::c_void`
[INFO] [stderr]  --> src/vending/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::raw::c_void;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/vending/mod.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 |             remainder => price += (NICKEL - remainder)
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `VendingItem`, `cashier::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     VendingItem,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 6 |     cashier::*
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coffers`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let coffers: MoneyBox = 0;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_coffers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `VendingItem`, `cashier::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     VendingItem,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 6 |     cashier::*
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coffers`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let coffers: MoneyBox = 0;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_coffers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `"docker" "inspect" "67c8adf08def06b21a3715251cad7bcd534c8e9050a807be97e00e92325d9bdf"`
[INFO] running `"docker" "rm" "-f" "67c8adf08def06b21a3715251cad7bcd534c8e9050a807be97e00e92325d9bdf"`
[INFO] [stdout] 67c8adf08def06b21a3715251cad7bcd534c8e9050a807be97e00e92325d9bdf