[INFO] updating cached repository https://github.com/wwjei/my-rustling
[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] 8c1dbb365421a4badeec2889cbe2141cecba41e6
[INFO] testing wwjei/my-rustling against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwjei%2Fmy-rustling" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wwjei/my-rustling 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/wwjei/my-rustling
[INFO] finished tweaking git repo https://github.com/wwjei/my-rustling
[INFO] tweaked toml for git repo https://github.com/wwjei/my-rustling written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wwjei/my-rustling 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 4ecc548bff3b4e88501c44383ac6985c3bbb59a3811310ca81fa57aba6c923ec
[INFO] running `"docker" "start" "-a" "4ecc548bff3b4e88501c44383ac6985c3bbb59a3811310ca81fa57aba6c923ec"`
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling pest_derive v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.10
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling handlebars v0.32.0
[INFO] [stderr]    Compiling prlink v0.1.0 (https://github.com/btbytes/prlink#f0536ed3)
[INFO] [stderr]    Compiling rustlings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `"docker" "inspect" "4ecc548bff3b4e88501c44383ac6985c3bbb59a3811310ca81fa57aba6c923ec"`
[INFO] running `"docker" "rm" "-f" "4ecc548bff3b4e88501c44383ac6985c3bbb59a3811310ca81fa57aba6c923ec"`
[INFO] [stdout] 4ecc548bff3b4e88501c44383ac6985c3bbb59a3811310ca81fa57aba6c923ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 8837ca5dee31d515819acaf60172ab9cfbf0ce4bac3768b381beef14287d3886
[INFO] running `"docker" "start" "-a" "8837ca5dee31d515819acaf60172ab9cfbf0ce4bac3768b381beef14287d3886"`
[INFO] [stderr]    Compiling rustlings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: macro requires a boolean expression as an argument
[INFO] [stderr]   --> tests/tests1.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         assert!();
[INFO] [stderr]    |         ^^^^^^^^^^ boolean expression required
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> tests/tests3.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> tests/tests4.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: unexpected end of macro invocation
[INFO] [stderr]  --> tests/tests2.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         assert_eq!();
[INFO] [stderr]   |         ^^^^^^^^^^^^^ missing tokens in macro arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rustlings`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustlings`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8837ca5dee31d515819acaf60172ab9cfbf0ce4bac3768b381beef14287d3886"`
[INFO] running `"docker" "rm" "-f" "8837ca5dee31d515819acaf60172ab9cfbf0ce4bac3768b381beef14287d3886"`
[INFO] [stdout] 8837ca5dee31d515819acaf60172ab9cfbf0ce4bac3768b381beef14287d3886