[INFO] updating cached repository semperos/xmler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/semperos/xmler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/semperos/xmler" "work/ex/beta-1.38-1/sources/1.37.0/gh/semperos/xmler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/semperos/xmler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/semperos/xmler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semperos/xmler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semperos/xmler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a19beb9b8223011935ed086294cdddf097aaf88b
[INFO] sha for GitHub repo semperos/xmler: a19beb9b8223011935ed086294cdddf097aaf88b
[INFO] validating manifest of semperos/xmler on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of semperos/xmler on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing semperos/xmler
[INFO] finished frobbing semperos/xmler
[INFO] frobbed toml for semperos/xmler written to work/ex/beta-1.38-1/sources/1.37.0/gh/semperos/xmler/Cargo.toml
[INFO] started frobbing semperos/xmler
[INFO] finished frobbing semperos/xmler
[INFO] frobbed toml for semperos/xmler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semperos/xmler/Cargo.toml
[INFO] crate semperos/xmler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing semperos/xmler against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semperos/xmler:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e73946acef51d28305bb059982aaafa1bdf19c11942412350f1e8c5cde52905b
[INFO] running `"docker" "start" "-a" "e73946acef51d28305bb059982aaafa1bdf19c11942412350f1e8c5cde52905b"`
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.6.0
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.2
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling csv v1.0.0-beta.3
[INFO] [stderr]    Compiling xmler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.21s
[INFO] running `"docker" "inspect" "e73946acef51d28305bb059982aaafa1bdf19c11942412350f1e8c5cde52905b"`
[INFO] running `"docker" "rm" "-f" "e73946acef51d28305bb059982aaafa1bdf19c11942412350f1e8c5cde52905b"`
[INFO] [stdout] e73946acef51d28305bb059982aaafa1bdf19c11942412350f1e8c5cde52905b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/semperos/xmler:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0776c7be37da8625db5fb245c561a755fffa15e30250bb0c23bd20eb3df541f2
[INFO] running `"docker" "start" "-a" "0776c7be37da8625db5fb245c561a755fffa15e30250bb0c23bd20eb3df541f2"`
[INFO] [stderr]    Compiling xmler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `example` in this scope
[INFO] [stderr]    --> src/lib.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |         assert_eq!(42, example(None));
[INFO] [stderr]     |                        ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `example` in this scope
[INFO] [stderr]    --> src/lib.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |         assert_eq!(23, example(Some(23)));
[INFO] [stderr]     |                        ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `xmler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0776c7be37da8625db5fb245c561a755fffa15e30250bb0c23bd20eb3df541f2"`
[INFO] running `"docker" "rm" "-f" "0776c7be37da8625db5fb245c561a755fffa15e30250bb0c23bd20eb3df541f2"`
[INFO] [stdout] 0776c7be37da8625db5fb245c561a755fffa15e30250bb0c23bd20eb3df541f2