[INFO] updating cached repository https://github.com/bestrauc/crypto_challenge
[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] a92388926885a59b3e9001bc133d5e59b9bbbab8
[INFO] testing bestrauc/crypto_challenge against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbestrauc%2Fcrypto_challenge" "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/bestrauc/crypto_challenge 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/bestrauc/crypto_challenge
[INFO] finished tweaking git repo https://github.com/bestrauc/crypto_challenge
[INFO] tweaked toml for git repo https://github.com/bestrauc/crypto_challenge written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/bestrauc/crypto_challenge 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] [stderr]     Blocking waiting for file lock on package cache
[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] b8d76ea800e91d68891ac98b76777a7c83ca815bf9b907351b3a9600fe14f2db
[INFO] running `"docker" "start" "-a" "b8d76ea800e91d68891ac98b76777a7c83ca815bf9b907351b3a9600fe14f2db"`
[INFO] [stderr]    Compiling crypto_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::encodings::hex`
[INFO] [stderr]  --> src/byte_ops.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::encodings::hex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "b8d76ea800e91d68891ac98b76777a7c83ca815bf9b907351b3a9600fe14f2db"`
[INFO] running `"docker" "rm" "-f" "b8d76ea800e91d68891ac98b76777a7c83ca815bf9b907351b3a9600fe14f2db"`
[INFO] [stdout] b8d76ea800e91d68891ac98b76777a7c83ca815bf9b907351b3a9600fe14f2db
[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] 81fe4608f4513aec976cfe6fbdd8dd14c61633f53d5a5b8401896d6543d2da48
[INFO] running `"docker" "start" "-a" "81fe4608f4513aec976cfe6fbdd8dd14c61633f53d5a5b8401896d6543d2da48"`
[INFO] [stderr]    Compiling crypto_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::encodings::hex`
[INFO] [stderr]  --> src/byte_ops.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::encodings::hex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "81fe4608f4513aec976cfe6fbdd8dd14c61633f53d5a5b8401896d6543d2da48"`
[INFO] running `"docker" "rm" "-f" "81fe4608f4513aec976cfe6fbdd8dd14c61633f53d5a5b8401896d6543d2da48"`
[INFO] [stdout] 81fe4608f4513aec976cfe6fbdd8dd14c61633f53d5a5b8401896d6543d2da48
[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] 08f01dcb3e8efe9395bb54d1d3fe63949aaf028d8209ec2b4ef4b76c4b989bf1
[INFO] running `"docker" "start" "-a" "08f01dcb3e8efe9395bb54d1d3fe63949aaf028d8209ec2b4ef4b76c4b989bf1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crypto_challenge-3950190a47418ea6
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test byte_ops::tests::test_byte_vec_xor ... ok
[INFO] [stdout] test encodings::tests::test_hex_to_base64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08f01dcb3e8efe9395bb54d1d3fe63949aaf028d8209ec2b4ef4b76c4b989bf1"`
[INFO] running `"docker" "rm" "-f" "08f01dcb3e8efe9395bb54d1d3fe63949aaf028d8209ec2b4ef4b76c4b989bf1"`
[INFO] [stdout] 08f01dcb3e8efe9395bb54d1d3fe63949aaf028d8209ec2b4ef4b76c4b989bf1