[INFO] updating cached repository sdiguana/RustVendingMachine [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sdiguana/RustVendingMachine [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sdiguana/RustVendingMachine" "work/ex/beta-1.38-1/sources/1.37.0/gh/sdiguana/RustVendingMachine"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sdiguana/RustVendingMachine'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sdiguana/RustVendingMachine" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdiguana/RustVendingMachine"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdiguana/RustVendingMachine'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2f1f0e97dc988e66492d5f1b68647b855bd7a528 [INFO] sha for GitHub repo sdiguana/RustVendingMachine: 2f1f0e97dc988e66492d5f1b68647b855bd7a528 [INFO] validating manifest of sdiguana/RustVendingMachine on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sdiguana/RustVendingMachine on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sdiguana/RustVendingMachine [INFO] finished frobbing sdiguana/RustVendingMachine [INFO] frobbed toml for sdiguana/RustVendingMachine written to work/ex/beta-1.38-1/sources/1.37.0/gh/sdiguana/RustVendingMachine/Cargo.toml [INFO] started frobbing sdiguana/RustVendingMachine [INFO] finished frobbing sdiguana/RustVendingMachine [INFO] frobbed toml for sdiguana/RustVendingMachine written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdiguana/RustVendingMachine/Cargo.toml [INFO] crate sdiguana/RustVendingMachine already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing sdiguana/RustVendingMachine against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdiguana/RustVendingMachine:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] e030ec49b5a0da15d5a9e7ad554e2c0ac150d13694b4a2ff68f3b2c0a48a142e [INFO] running `"docker" "start" "-a" "e030ec49b5a0da15d5a9e7ad554e2c0ac150d13694b4a2ff68f3b2c0a48a142e"` [INFO] [stderr] Compiling vending_machine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3}; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5}; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1}; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2}; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let mut contents = vec![coffee, fizzy_water, candy, mints]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:195:17 [INFO] [stderr] | [INFO] [stderr] 195 | let mut c = read_line(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:200:17 [INFO] [stderr] | [INFO] [stderr] 200 | let mut q = read_line(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: structure field `UserCredit` should have a snake case name [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | UserCredit: f32 [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `user_credit` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `isValidEntry` should have a snake case name [INFO] [stderr] --> src/main.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | let mut isValidEntry = false; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_valid_entry` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `"docker" "inspect" "e030ec49b5a0da15d5a9e7ad554e2c0ac150d13694b4a2ff68f3b2c0a48a142e"` [INFO] running `"docker" "rm" "-f" "e030ec49b5a0da15d5a9e7ad554e2c0ac150d13694b4a2ff68f3b2c0a48a142e"` [INFO] [stdout] e030ec49b5a0da15d5a9e7ad554e2c0ac150d13694b4a2ff68f3b2c0a48a142e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdiguana/RustVendingMachine:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 1657f78b28af1226fe18827f2807845385991ce4a911e9cb6342f2bc25015fbc [INFO] running `"docker" "start" "-a" "1657f78b28af1226fe18827f2807845385991ce4a911e9cb6342f2bc25015fbc"` [INFO] [stderr] Compiling vending_machine v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3}; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5}; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1}; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2}; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let mut contents = vec![coffee, fizzy_water, candy, mints]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:195:17 [INFO] [stderr] | [INFO] [stderr] 195 | let mut c = read_line(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:200:17 [INFO] [stderr] | [INFO] [stderr] 200 | let mut q = read_line(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: structure field `UserCredit` should have a snake case name [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | UserCredit: f32 [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `user_credit` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `isValidEntry` should have a snake case name [INFO] [stderr] --> src/main.rs:121:13 [INFO] [stderr] | [INFO] [stderr] 121 | let mut isValidEntry = false; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `is_valid_entry` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "1657f78b28af1226fe18827f2807845385991ce4a911e9cb6342f2bc25015fbc"` [INFO] running `"docker" "rm" "-f" "1657f78b28af1226fe18827f2807845385991ce4a911e9cb6342f2bc25015fbc"` [INFO] [stdout] 1657f78b28af1226fe18827f2807845385991ce4a911e9cb6342f2bc25015fbc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sdiguana/RustVendingMachine:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] e0fd9b931ec77b4c7e7dc3dbae0d2e076888187973fdbdb1f2a7001b5f887d7b [INFO] running `"docker" "start" "-a" "e0fd9b931ec77b4c7e7dc3dbae0d2e076888187973fdbdb1f2a7001b5f887d7b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/vending_machine-08c87aede63ebf1a [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "e0fd9b931ec77b4c7e7dc3dbae0d2e076888187973fdbdb1f2a7001b5f887d7b"` [INFO] running `"docker" "rm" "-f" "e0fd9b931ec77b4c7e7dc3dbae0d2e076888187973fdbdb1f2a7001b5f887d7b"` [INFO] [stdout] e0fd9b931ec77b4c7e7dc3dbae0d2e076888187973fdbdb1f2a7001b5f887d7b