[INFO] updating cached repository zhenhuanlee/rust_guess_no
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zhenhuanlee/rust_guess_no
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zhenhuanlee/rust_guess_no" "work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/rust_guess_no"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/rust_guess_no'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zhenhuanlee/rust_guess_no" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhenhuanlee/rust_guess_no"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhenhuanlee/rust_guess_no'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e86c26cb97e0dec6be2dfa309403814e524dc21
[INFO] sha for GitHub repo zhenhuanlee/rust_guess_no: 6e86c26cb97e0dec6be2dfa309403814e524dc21
[INFO] validating manifest of zhenhuanlee/rust_guess_no 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 zhenhuanlee/rust_guess_no 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 zhenhuanlee/rust_guess_no
[INFO] finished frobbing zhenhuanlee/rust_guess_no
[INFO] frobbed toml for zhenhuanlee/rust_guess_no written to work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/rust_guess_no/Cargo.toml
[INFO] started frobbing zhenhuanlee/rust_guess_no
[INFO] finished frobbing zhenhuanlee/rust_guess_no
[INFO] frobbed toml for zhenhuanlee/rust_guess_no written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhenhuanlee/rust_guess_no/Cargo.toml
[INFO] crate zhenhuanlee/rust_guess_no 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 zhenhuanlee/rust_guess_no 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/rust_guess_no:/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] a30b9496e41904a4faf50a6cf2a694003075d7350d35470e2fe1f040c62720e3
[INFO] running `"docker" "start" "-a" "a30b9496e41904a4faf50a6cf2a694003075d7350d35470e2fe1f040c62720e3"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "a30b9496e41904a4faf50a6cf2a694003075d7350d35470e2fe1f040c62720e3"`
[INFO] running `"docker" "rm" "-f" "a30b9496e41904a4faf50a6cf2a694003075d7350d35470e2fe1f040c62720e3"`
[INFO] [stdout] a30b9496e41904a4faf50a6cf2a694003075d7350d35470e2fe1f040c62720e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/rust_guess_no:/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] 9bf8fc066c6c6558a4bee246d037e6ca899f4a462f2172bbde1b14b00545e6fe
[INFO] running `"docker" "start" "-a" "9bf8fc066c6c6558a4bee246d037e6ca899f4a462f2172bbde1b14b00545e6fe"`
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "9bf8fc066c6c6558a4bee246d037e6ca899f4a462f2172bbde1b14b00545e6fe"`
[INFO] running `"docker" "rm" "-f" "9bf8fc066c6c6558a4bee246d037e6ca899f4a462f2172bbde1b14b00545e6fe"`
[INFO] [stdout] 9bf8fc066c6c6558a4bee246d037e6ca899f4a462f2172bbde1b14b00545e6fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/rust_guess_no:/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] da700d6702ee0dd804a4b20c62463363e123a356bd4f4fb965108e7d99ceae5e
[INFO] running `"docker" "start" "-a" "da700d6702ee0dd804a4b20c62463363e123a356bd4f4fb965108e7d99ceae5e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guess-476662c6b7a8aabe
[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" "da700d6702ee0dd804a4b20c62463363e123a356bd4f4fb965108e7d99ceae5e"`
[INFO] running `"docker" "rm" "-f" "da700d6702ee0dd804a4b20c62463363e123a356bd4f4fb965108e7d99ceae5e"`
[INFO] [stdout] da700d6702ee0dd804a4b20c62463363e123a356bd4f4fb965108e7d99ceae5e