[INFO] updating cached repository mmmpa/loan_revolver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmmpa/loan_revolver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmmpa/loan_revolver" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/mmmpa/loan_revolver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/mmmpa/loan_revolver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmmpa/loan_revolver" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/mmmpa/loan_revolver"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/mmmpa/loan_revolver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0f52c3301baae1afdd13206727966dc4eec9ee8
[INFO] sha for GitHub repo mmmpa/loan_revolver: b0f52c3301baae1afdd13206727966dc4eec9ee8
[INFO] validating manifest of mmmpa/loan_revolver on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mmmpa/loan_revolver on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mmmpa/loan_revolver
[INFO] finished frobbing mmmpa/loan_revolver
[INFO] frobbed toml for mmmpa/loan_revolver written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/mmmpa/loan_revolver/Cargo.toml
[INFO] started frobbing mmmpa/loan_revolver
[INFO] finished frobbing mmmpa/loan_revolver
[INFO] frobbed toml for mmmpa/loan_revolver written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/mmmpa/loan_revolver/Cargo.toml
[INFO] crate mmmpa/loan_revolver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking mmmpa/loan_revolver against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-0/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/mmmpa/loan_revolver:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 28f2169a4309725ca38d06631c088108f05dd5309be531a923b8a7cc28b8172b
[INFO] running `"docker" "start" "-a" "28f2169a4309725ca38d06631c088108f05dd5309be531a923b8a7cc28b8172b"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking loan_revolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::loan_revolver::LoanRevolver`
[INFO] [stderr]    --> src/loan_revolver.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     use crate::loan_revolver::LoanRevolver;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseBoolError`
[INFO] [stderr]  --> src/main.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::{FromStr, ParseBoolError};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::loan_revolver::LoanRevolver`
[INFO] [stderr]    --> src/loan_revolver.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     use crate::loan_revolver::LoanRevolver;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseBoolError`
[INFO] [stderr]  --> src/main.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::{FromStr, ParseBoolError};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.44s
[INFO] running `"docker" "inspect" "28f2169a4309725ca38d06631c088108f05dd5309be531a923b8a7cc28b8172b"`
[INFO] running `"docker" "rm" "-f" "28f2169a4309725ca38d06631c088108f05dd5309be531a923b8a7cc28b8172b"`
[INFO] [stdout] 28f2169a4309725ca38d06631c088108f05dd5309be531a923b8a7cc28b8172b