[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-1.38-1/sources/1.37.0/gh/davidlgj/lighthouse-command"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidlgj/lighthouse-command'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidlgj/lighthouse-command" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidlgj/lighthouse-command"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of davidlgj/lighthouse-command 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 davidlgj/lighthouse-command
[INFO] finished frobbing davidlgj/lighthouse-command
[INFO] frobbed toml for davidlgj/lighthouse-command written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 davidlgj/lighthouse-command against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a710c8ef840bf92b3b3eadf6a171cd57127000734367b5d35f6e1e1315553831
[INFO] running `"docker" "start" "-a" "a710c8ef840bf92b3b3eadf6a171cd57127000734367b5d35f6e1e1315553831"`
[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 16.94s
[INFO] running `"docker" "inspect" "a710c8ef840bf92b3b3eadf6a171cd57127000734367b5d35f6e1e1315553831"`
[INFO] running `"docker" "rm" "-f" "a710c8ef840bf92b3b3eadf6a171cd57127000734367b5d35f6e1e1315553831"`
[INFO] [stdout] a710c8ef840bf92b3b3eadf6a171cd57127000734367b5d35f6e1e1315553831
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 868f2f276e2fb45ff75ab1d8d8181146ff2e10bd4c4abedc88e05c0eb11b1c1b
[INFO] running `"docker" "start" "-a" "868f2f276e2fb45ff75ab1d8d8181146ff2e10bd4c4abedc88e05c0eb11b1c1b"`
[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 0.88s
[INFO] running `"docker" "inspect" "868f2f276e2fb45ff75ab1d8d8181146ff2e10bd4c4abedc88e05c0eb11b1c1b"`
[INFO] running `"docker" "rm" "-f" "868f2f276e2fb45ff75ab1d8d8181146ff2e10bd4c4abedc88e05c0eb11b1c1b"`
[INFO] [stdout] 868f2f276e2fb45ff75ab1d8d8181146ff2e10bd4c4abedc88e05c0eb11b1c1b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 48715ea1df14f6a6d8c849ac6aa6e7819376ac01e333ff9b4217c25713182caa
[INFO] running `"docker" "start" "-a" "48715ea1df14f6a6d8c849ac6aa6e7819376ac01e333ff9b4217c25713182caa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lighthouse_command-6e23f37e1ce1b8a8
[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" "48715ea1df14f6a6d8c849ac6aa6e7819376ac01e333ff9b4217c25713182caa"`
[INFO] running `"docker" "rm" "-f" "48715ea1df14f6a6d8c849ac6aa6e7819376ac01e333ff9b4217c25713182caa"`
[INFO] [stdout] 48715ea1df14f6a6d8c849ac6aa6e7819376ac01e333ff9b4217c25713182caa