[INFO] updating cached repository loganintech/md5_phone_number_fun
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/loganintech/md5_phone_number_fun
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/loganintech/md5_phone_number_fun" "work/ex/beta-1.37-6/sources/1.36.0/gh/loganintech/md5_phone_number_fun"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/loganintech/md5_phone_number_fun'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/loganintech/md5_phone_number_fun" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/loganintech/md5_phone_number_fun"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/loganintech/md5_phone_number_fun'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c2dbcefb9a1068fa279137b2736308a7a7d1c32
[INFO] sha for GitHub repo loganintech/md5_phone_number_fun: 3c2dbcefb9a1068fa279137b2736308a7a7d1c32
[INFO] validating manifest of loganintech/md5_phone_number_fun on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of loganintech/md5_phone_number_fun on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing loganintech/md5_phone_number_fun
[INFO] finished frobbing loganintech/md5_phone_number_fun
[INFO] frobbed toml for loganintech/md5_phone_number_fun written to work/ex/beta-1.37-6/sources/1.36.0/gh/loganintech/md5_phone_number_fun/Cargo.toml
[INFO] started frobbing loganintech/md5_phone_number_fun
[INFO] finished frobbing loganintech/md5_phone_number_fun
[INFO] frobbed toml for loganintech/md5_phone_number_fun written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/loganintech/md5_phone_number_fun/Cargo.toml
[INFO] crate loganintech/md5_phone_number_fun already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing loganintech/md5_phone_number_fun against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/loganintech/md5_phone_number_fun:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8986ff259bc0fe9b1182d7d262d63353ec1d9a84567250277cc921dd2e566744
[INFO] running `"docker" "start" "-a" "8986ff259bc0fe9b1182d7d262d63353ec1d9a84567250277cc921dd2e566744"`
[INFO] [stderr]    Compiling hex-slice v0.1.4
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling md5_phone_collision v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/check.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufReader, BufRead, Read};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `"docker" "inspect" "8986ff259bc0fe9b1182d7d262d63353ec1d9a84567250277cc921dd2e566744"`
[INFO] running `"docker" "rm" "-f" "8986ff259bc0fe9b1182d7d262d63353ec1d9a84567250277cc921dd2e566744"`
[INFO] [stdout] 8986ff259bc0fe9b1182d7d262d63353ec1d9a84567250277cc921dd2e566744
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/loganintech/md5_phone_number_fun:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8266a5af38ceaadc95b811bb8807987bce33b65cdd172abd931224140dfc8855
[INFO] running `"docker" "start" "-a" "8266a5af38ceaadc95b811bb8807987bce33b65cdd172abd931224140dfc8855"`
[INFO] [stderr]    Compiling md5_phone_collision v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/check.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{BufReader, BufRead, Read};
[INFO] [stderr]   |                                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "8266a5af38ceaadc95b811bb8807987bce33b65cdd172abd931224140dfc8855"`
[INFO] running `"docker" "rm" "-f" "8266a5af38ceaadc95b811bb8807987bce33b65cdd172abd931224140dfc8855"`
[INFO] [stdout] 8266a5af38ceaadc95b811bb8807987bce33b65cdd172abd931224140dfc8855
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/loganintech/md5_phone_number_fun:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 64e52d4f652dcc3936a2ec79797912a5995bb06028f0d54eef02994f5477ef8c
[INFO] running `"docker" "start" "-a" "64e52d4f652dcc3936a2ec79797912a5995bb06028f0d54eef02994f5477ef8c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/check-08dd6038e952af62
[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] [stderr]      Running /opt/crater/target/debug/deps/generate-da92a5d9248e6ddf
[INFO] [stdout] 
[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" "64e52d4f652dcc3936a2ec79797912a5995bb06028f0d54eef02994f5477ef8c"`
[INFO] running `"docker" "rm" "-f" "64e52d4f652dcc3936a2ec79797912a5995bb06028f0d54eef02994f5477ef8c"`
[INFO] [stdout] 64e52d4f652dcc3936a2ec79797912a5995bb06028f0d54eef02994f5477ef8c