[INFO] updating cached repository SDRust/April-2018-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SDRust/April-2018-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SDRust/April-2018-challenge" "work/ex/beta-1.37-6/sources/1.36.0/gh/SDRust/April-2018-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/SDRust/April-2018-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SDRust/April-2018-challenge" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SDRust/April-2018-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SDRust/April-2018-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17b589f91e5a08d3aa0d3bb10e4c6ee5b166d604
[INFO] sha for GitHub repo SDRust/April-2018-challenge: 17b589f91e5a08d3aa0d3bb10e4c6ee5b166d604
[INFO] validating manifest of SDRust/April-2018-challenge 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 SDRust/April-2018-challenge 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 SDRust/April-2018-challenge
[INFO] finished frobbing SDRust/April-2018-challenge
[INFO] frobbed toml for SDRust/April-2018-challenge written to work/ex/beta-1.37-6/sources/1.36.0/gh/SDRust/April-2018-challenge/Cargo.toml
[INFO] started frobbing SDRust/April-2018-challenge
[INFO] finished frobbing SDRust/April-2018-challenge
[INFO] frobbed toml for SDRust/April-2018-challenge written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SDRust/April-2018-challenge/Cargo.toml
[INFO] crate SDRust/April-2018-challenge 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 SDRust/April-2018-challenge 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-6/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/SDRust/April-2018-challenge:/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] bc07927759b8ed8afaf39ea3b1a5fa2e67862d0bf2b21b251d23c624e8226ab2
[INFO] running `"docker" "start" "-a" "bc07927759b8ed8afaf39ea3b1a5fa2e67862d0bf2b21b251d23c624e8226ab2"`
[INFO] [stderr]    Compiling april-2018-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "bc07927759b8ed8afaf39ea3b1a5fa2e67862d0bf2b21b251d23c624e8226ab2"`
[INFO] running `"docker" "rm" "-f" "bc07927759b8ed8afaf39ea3b1a5fa2e67862d0bf2b21b251d23c624e8226ab2"`
[INFO] [stdout] bc07927759b8ed8afaf39ea3b1a5fa2e67862d0bf2b21b251d23c624e8226ab2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/SDRust/April-2018-challenge:/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] 41b007e1eb6f47f27fb7e8ea3fb0d91cd68758b5ec2e90a2ca4a8f082a62f5e0
[INFO] running `"docker" "start" "-a" "41b007e1eb6f47f27fb7e8ea3fb0d91cd68758b5ec2e90a2ca4a8f082a62f5e0"`
[INFO] [stderr]    Compiling april-2018-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "41b007e1eb6f47f27fb7e8ea3fb0d91cd68758b5ec2e90a2ca4a8f082a62f5e0"`
[INFO] running `"docker" "rm" "-f" "41b007e1eb6f47f27fb7e8ea3fb0d91cd68758b5ec2e90a2ca4a8f082a62f5e0"`
[INFO] [stdout] 41b007e1eb6f47f27fb7e8ea3fb0d91cd68758b5ec2e90a2ca4a8f082a62f5e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/SDRust/April-2018-challenge:/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] 7bbf6fb8ad1bac9f0d81c8bc37b91caad7a9bc8e8ae4f8f2bef08faa6106011b
[INFO] running `"docker" "start" "-a" "7bbf6fb8ad1bac9f0d81c8bc37b91caad7a9bc8e8ae4f8f2bef08faa6106011b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/april_2018_challenge-6e046cf94fb9271b
[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" "7bbf6fb8ad1bac9f0d81c8bc37b91caad7a9bc8e8ae4f8f2bef08faa6106011b"`
[INFO] running `"docker" "rm" "-f" "7bbf6fb8ad1bac9f0d81c8bc37b91caad7a9bc8e8ae4f8f2bef08faa6106011b"`
[INFO] [stdout] 7bbf6fb8ad1bac9f0d81c8bc37b91caad7a9bc8e8ae4f8f2bef08faa6106011b