[INFO] updating cached repository https://github.com/thejainlabs/fibonacci-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] cf0a890a9daf6dbf57dfefecd53fb1de6afec609
[INFO] testing thejainlabs/fibonacci-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%2Fthejainlabs%2Ffibonacci-number-generator" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thejainlabs/fibonacci-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/thejainlabs/fibonacci-number-generator
[INFO] finished tweaking git repo https://github.com/thejainlabs/fibonacci-number-generator
[INFO] tweaked toml for git repo https://github.com/thejainlabs/fibonacci-number-generator written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/thejainlabs/fibonacci-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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 52da38bbe8144a3f27d2b4d6297f99644f4a855aef084ae5ea857b86ca57bca1
[INFO] running `"docker" "start" "-a" "52da38bbe8144a3f27d2b4d6297f99644f4a855aef084ae5ea857b86ca57bca1"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut temp = 0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "52da38bbe8144a3f27d2b4d6297f99644f4a855aef084ae5ea857b86ca57bca1"`
[INFO] running `"docker" "rm" "-f" "52da38bbe8144a3f27d2b4d6297f99644f4a855aef084ae5ea857b86ca57bca1"`
[INFO] [stdout] 52da38bbe8144a3f27d2b4d6297f99644f4a855aef084ae5ea857b86ca57bca1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] db1c6e6741a38c5221e70039aba50561ae84ebd7a0251ed070f0a14bc8f0de62
[INFO] running `"docker" "start" "-a" "db1c6e6741a38c5221e70039aba50561ae84ebd7a0251ed070f0a14bc8f0de62"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut temp = 0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "db1c6e6741a38c5221e70039aba50561ae84ebd7a0251ed070f0a14bc8f0de62"`
[INFO] running `"docker" "rm" "-f" "db1c6e6741a38c5221e70039aba50561ae84ebd7a0251ed070f0a14bc8f0de62"`
[INFO] [stdout] db1c6e6741a38c5221e70039aba50561ae84ebd7a0251ed070f0a14bc8f0de62
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 2b3a4d0e5cda12be9b4713357f80d1eab336c85cfec0f9d7bc3766914e7fa4bf
[INFO] running `"docker" "start" "-a" "2b3a4d0e5cda12be9b4713357f80d1eab336c85cfec0f9d7bc3766914e7fa4bf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fibonacci-eb54a15ec78a0a33
[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" "2b3a4d0e5cda12be9b4713357f80d1eab336c85cfec0f9d7bc3766914e7fa4bf"`
[INFO] running `"docker" "rm" "-f" "2b3a4d0e5cda12be9b4713357f80d1eab336c85cfec0f9d7bc3766914e7fa4bf"`
[INFO] [stdout] 2b3a4d0e5cda12be9b4713357f80d1eab336c85cfec0f9d7bc3766914e7fa4bf