[INFO] cloning repository jmountain-hmrc/json-investigator
[INFO] running `"git" "clone" "--bare" "git://github.com/jmountain-hmrc/json-investigator.git" "work/cache/sources/gh/jmountain-hmrc/json-investigator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jmountain-hmrc/json-investigator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jmountain-hmrc/json-investigator" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jmountain-hmrc/json-investigator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jmountain-hmrc/json-investigator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmountain-hmrc/json-investigator" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jmountain-hmrc/json-investigator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jmountain-hmrc/json-investigator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66424cd46d8b1fa73a06a4a847457456668873a8
[INFO] sha for GitHub repo jmountain-hmrc/json-investigator: 66424cd46d8b1fa73a06a4a847457456668873a8
[INFO] validating manifest of jmountain-hmrc/json-investigator 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 jmountain-hmrc/json-investigator 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 jmountain-hmrc/json-investigator
[INFO] finished frobbing jmountain-hmrc/json-investigator
[INFO] frobbed toml for jmountain-hmrc/json-investigator written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/jmountain-hmrc/json-investigator/Cargo.toml
[INFO] started frobbing jmountain-hmrc/json-investigator
[INFO] finished frobbing jmountain-hmrc/json-investigator
[INFO] frobbed toml for jmountain-hmrc/json-investigator written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/jmountain-hmrc/json-investigator/Cargo.toml
[INFO] crate jmountain-hmrc/json-investigator 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 jmountain-hmrc/json-investigator 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/jmountain-hmrc/json-investigator:/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] dbb70fd833679c2a34eba479e8d2e86aa596c602b99e72c3a2ce7354cd560993
[INFO] running `"docker" "start" "-a" "dbb70fd833679c2a34eba479e8d2e86aa596c602b99e72c3a2ce7354cd560993"`
[INFO] [stderr]     Checking json_scientist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Error`, `Write`
[INFO] [stderr]  --> src/main.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Write, BufReader, BufRead, Error};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `Error`, `Write`
[INFO] [stderr]  --> src/main.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{Write, BufReader, BufRead, Error};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "dbb70fd833679c2a34eba479e8d2e86aa596c602b99e72c3a2ce7354cd560993"`
[INFO] running `"docker" "rm" "-f" "dbb70fd833679c2a34eba479e8d2e86aa596c602b99e72c3a2ce7354cd560993"`
[INFO] [stdout] dbb70fd833679c2a34eba479e8d2e86aa596c602b99e72c3a2ce7354cd560993