[INFO] updating cached repository https://github.com/guilherme/random-number-generator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04acc4c315174a988a8a959fc24f25c0a979de51
[INFO] testing guilherme/random-number-generator against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilherme%2Frandom-number-generator" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guilherme/random-number-generator on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/guilherme/random-number-generator
[INFO] finished tweaking git repo https://github.com/guilherme/random-number-generator
[INFO] tweaked toml for git repo https://github.com/guilherme/random-number-generator written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/guilherme/random-number-generator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 3b997cf62fdfbfb9bb86631b1a8f230e0f05cd50ead8a96daa6505b38970c615
[INFO] running `"docker" "start" "-a" "3b997cf62fdfbfb9bb86631b1a8f230e0f05cd50ead8a96daa6505b38970c615"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling random-number-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]  --> src/main.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let stdin = io::stdin();
[INFO] [stderr]   |       ^^^^^ help: consider prefixing with an underscore: `_stdin`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "3b997cf62fdfbfb9bb86631b1a8f230e0f05cd50ead8a96daa6505b38970c615"`
[INFO] running `"docker" "rm" "-f" "3b997cf62fdfbfb9bb86631b1a8f230e0f05cd50ead8a96daa6505b38970c615"`
[INFO] [stdout] 3b997cf62fdfbfb9bb86631b1a8f230e0f05cd50ead8a96daa6505b38970c615
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 57b24bc4f5e3944f9e049953ba7a87f58e8fc5d8d17e302f6a6db674a0a2b5a8
[INFO] running `"docker" "start" "-a" "57b24bc4f5e3944f9e049953ba7a87f58e8fc5d8d17e302f6a6db674a0a2b5a8"`
[INFO] [stderr]    Compiling random-number-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]  --> src/main.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let stdin = io::stdin();
[INFO] [stderr]   |       ^^^^^ help: consider prefixing with an underscore: `_stdin`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "57b24bc4f5e3944f9e049953ba7a87f58e8fc5d8d17e302f6a6db674a0a2b5a8"`
[INFO] running `"docker" "rm" "-f" "57b24bc4f5e3944f9e049953ba7a87f58e8fc5d8d17e302f6a6db674a0a2b5a8"`
[INFO] [stdout] 57b24bc4f5e3944f9e049953ba7a87f58e8fc5d8d17e302f6a6db674a0a2b5a8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 9776b117565fe7b6a99b1b6943b7c8e2956c372351905531c12af2e54bf4dd10
[INFO] running `"docker" "start" "-a" "9776b117565fe7b6a99b1b6943b7c8e2956c372351905531c12af2e54bf4dd10"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/random_number_generator-db5e491e2771589d
[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" "9776b117565fe7b6a99b1b6943b7c8e2956c372351905531c12af2e54bf4dd10"`
[INFO] running `"docker" "rm" "-f" "9776b117565fe7b6a99b1b6943b7c8e2956c372351905531c12af2e54bf4dd10"`
[INFO] [stdout] 9776b117565fe7b6a99b1b6943b7c8e2956c372351905531c12af2e54bf4dd10