[INFO] updating cached repository TheSlothSage/RandomProjectName
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheSlothSage/RandomProjectName
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheSlothSage/RandomProjectName" "work/ex/beta-1.38-1/sources/1.37.0/gh/TheSlothSage/RandomProjectName"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TheSlothSage/RandomProjectName'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheSlothSage/RandomProjectName" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheSlothSage/RandomProjectName"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheSlothSage/RandomProjectName'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8c20c9c7c5f7fed439e0e3e4b78a91e2bd40019
[INFO] sha for GitHub repo TheSlothSage/RandomProjectName: c8c20c9c7c5f7fed439e0e3e4b78a91e2bd40019
[INFO] validating manifest of TheSlothSage/RandomProjectName 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 TheSlothSage/RandomProjectName 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 TheSlothSage/RandomProjectName
[INFO] finished frobbing TheSlothSage/RandomProjectName
[INFO] frobbed toml for TheSlothSage/RandomProjectName written to work/ex/beta-1.38-1/sources/1.37.0/gh/TheSlothSage/RandomProjectName/Cargo.toml
[INFO] started frobbing TheSlothSage/RandomProjectName
[INFO] finished frobbing TheSlothSage/RandomProjectName
[INFO] frobbed toml for TheSlothSage/RandomProjectName written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TheSlothSage/RandomProjectName/Cargo.toml
[INFO] crate TheSlothSage/RandomProjectName 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing TheSlothSage/RandomProjectName against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheSlothSage/RandomProjectName:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 586ac130ef846951c0840b35779307e5bdf9629d3a191d56ab4e80d944122ac4
[INFO] running `"docker" "start" "-a" "586ac130ef846951c0840b35779307e5bdf9629d3a191d56ab4e80d944122ac4"`
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling RandomProjectName v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `io`, `vec`
[INFO] [stderr]  --> src/main.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{io, io::prelude::*, fs::File, vec, io::BufReader};
[INFO] [stderr]   |           ^^                            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RandomProjectName` 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: `random_project_name`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `"docker" "inspect" "586ac130ef846951c0840b35779307e5bdf9629d3a191d56ab4e80d944122ac4"`
[INFO] running `"docker" "rm" "-f" "586ac130ef846951c0840b35779307e5bdf9629d3a191d56ab4e80d944122ac4"`
[INFO] [stdout] 586ac130ef846951c0840b35779307e5bdf9629d3a191d56ab4e80d944122ac4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheSlothSage/RandomProjectName:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c75e3099295a1f4b08ae2e19886fd260381ecb579d3a5991a5d9233089fa04b4
[INFO] running `"docker" "start" "-a" "c75e3099295a1f4b08ae2e19886fd260381ecb579d3a5991a5d9233089fa04b4"`
[INFO] [stderr]    Compiling RandomProjectName v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `io`, `vec`
[INFO] [stderr]  --> src/main.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{io, io::prelude::*, fs::File, vec, io::BufReader};
[INFO] [stderr]   |           ^^                            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RandomProjectName` 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: `random_project_name`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "c75e3099295a1f4b08ae2e19886fd260381ecb579d3a5991a5d9233089fa04b4"`
[INFO] running `"docker" "rm" "-f" "c75e3099295a1f4b08ae2e19886fd260381ecb579d3a5991a5d9233089fa04b4"`
[INFO] [stdout] c75e3099295a1f4b08ae2e19886fd260381ecb579d3a5991a5d9233089fa04b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TheSlothSage/RandomProjectName:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 461141e59eb2e82dcda3d4f19029e3235e865e5da1bde442437d9d6f10086dc5
[INFO] running `"docker" "start" "-a" "461141e59eb2e82dcda3d4f19029e3235e865e5da1bde442437d9d6f10086dc5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RandomProjectName-15a49463e854f92d
[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" "461141e59eb2e82dcda3d4f19029e3235e865e5da1bde442437d9d6f10086dc5"`
[INFO] running `"docker" "rm" "-f" "461141e59eb2e82dcda3d4f19029e3235e865e5da1bde442437d9d6f10086dc5"`
[INFO] [stdout] 461141e59eb2e82dcda3d4f19029e3235e865e5da1bde442437d9d6f10086dc5