[INFO] updating cached repository davidlgj/lighthouse-command
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidlgj/lighthouse-command
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidlgj/lighthouse-command" "work/ex/beta-1.37-6/sources/1.36.0/gh/davidlgj/lighthouse-command"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/davidlgj/lighthouse-command'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidlgj/lighthouse-command" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidlgj/lighthouse-command"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidlgj/lighthouse-command'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3518f840ff930c85d013696937a4c52e2cdafd80
[INFO] sha for GitHub repo davidlgj/lighthouse-command: 3518f840ff930c85d013696937a4c52e2cdafd80
[INFO] validating manifest of davidlgj/lighthouse-command 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 davidlgj/lighthouse-command 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 davidlgj/lighthouse-command
[INFO] finished frobbing davidlgj/lighthouse-command
[INFO] frobbed toml for davidlgj/lighthouse-command written to work/ex/beta-1.37-6/sources/1.36.0/gh/davidlgj/lighthouse-command/Cargo.toml
[INFO] started frobbing davidlgj/lighthouse-command
[INFO] finished frobbing davidlgj/lighthouse-command
[INFO] frobbed toml for davidlgj/lighthouse-command written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidlgj/lighthouse-command/Cargo.toml
[INFO] crate davidlgj/lighthouse-command 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 davidlgj/lighthouse-command against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidlgj/lighthouse-command:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b3e6fc6ddab2340a62ac168f387155a1628dcd3facdd8ee2565df36cc7a60d3c
[INFO] running `"docker" "start" "-a" "b3e6fc6ddab2340a62ac168f387155a1628dcd3facdd8ee2565df36cc7a60d3c"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling lighthouse-command v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Write, BufRead};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.45s
[INFO] running `"docker" "inspect" "b3e6fc6ddab2340a62ac168f387155a1628dcd3facdd8ee2565df36cc7a60d3c"`
[INFO] running `"docker" "rm" "-f" "b3e6fc6ddab2340a62ac168f387155a1628dcd3facdd8ee2565df36cc7a60d3c"`
[INFO] [stdout] b3e6fc6ddab2340a62ac168f387155a1628dcd3facdd8ee2565df36cc7a60d3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidlgj/lighthouse-command:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6b8b5738cdd8209b1a58cf5eef1006fa9a45c343045e47d48bc1c98c431c0251
[INFO] running `"docker" "start" "-a" "6b8b5738cdd8209b1a58cf5eef1006fa9a45c343045e47d48bc1c98c431c0251"`
[INFO] [stderr]    Compiling lighthouse-command v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Write, BufRead};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "6b8b5738cdd8209b1a58cf5eef1006fa9a45c343045e47d48bc1c98c431c0251"`
[INFO] running `"docker" "rm" "-f" "6b8b5738cdd8209b1a58cf5eef1006fa9a45c343045e47d48bc1c98c431c0251"`
[INFO] [stdout] 6b8b5738cdd8209b1a58cf5eef1006fa9a45c343045e47d48bc1c98c431c0251
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidlgj/lighthouse-command:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 57983023b009f396394347ecffa998c1ca069253ca4d46e56141b4559fe59d52
[INFO] running `"docker" "start" "-a" "57983023b009f396394347ecffa998c1ca069253ca4d46e56141b4559fe59d52"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lighthouse_command-ec4a1b035ce51bda
[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" "57983023b009f396394347ecffa998c1ca069253ca4d46e56141b4559fe59d52"`
[INFO] running `"docker" "rm" "-f" "57983023b009f396394347ecffa998c1ca069253ca4d46e56141b4559fe59d52"`
[INFO] [stdout] 57983023b009f396394347ecffa998c1ca069253ca4d46e56141b4559fe59d52