[INFO] updating cached repository rajcspsg/ProgrammingRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rajcspsg/ProgrammingRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rajcspsg/ProgrammingRust" "work/ex/beta-1.38-1/sources/1.37.0/gh/rajcspsg/ProgrammingRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rajcspsg/ProgrammingRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rajcspsg/ProgrammingRust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rajcspsg/ProgrammingRust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rajcspsg/ProgrammingRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7cb90349fc0ac55f4a86ef339b04b87bdba2a11
[INFO] sha for GitHub repo rajcspsg/ProgrammingRust: b7cb90349fc0ac55f4a86ef339b04b87bdba2a11
[INFO] validating manifest of rajcspsg/ProgrammingRust 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 rajcspsg/ProgrammingRust 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 rajcspsg/ProgrammingRust
[INFO] finished frobbing rajcspsg/ProgrammingRust
[INFO] frobbed toml for rajcspsg/ProgrammingRust written to work/ex/beta-1.38-1/sources/1.37.0/gh/rajcspsg/ProgrammingRust/Cargo.toml
[INFO] started frobbing rajcspsg/ProgrammingRust
[INFO] finished frobbing rajcspsg/ProgrammingRust
[INFO] frobbed toml for rajcspsg/ProgrammingRust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rajcspsg/ProgrammingRust/Cargo.toml
[INFO] crate rajcspsg/ProgrammingRust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing rajcspsg/ProgrammingRust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rajcspsg/ProgrammingRust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d3f000abd48fc686abf4e56391c046a4aea6016501e2d8482dd14a0535834acd
[INFO] running `"docker" "start" "-a" "d3f000abd48fc686abf4e56391c046a4aea6016501e2d8482dd14a0535834acd"`
[INFO] [stderr]    Compiling ProgrammingRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `ProgrammingRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `programming_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "d3f000abd48fc686abf4e56391c046a4aea6016501e2d8482dd14a0535834acd"`
[INFO] running `"docker" "rm" "-f" "d3f000abd48fc686abf4e56391c046a4aea6016501e2d8482dd14a0535834acd"`
[INFO] [stdout] d3f000abd48fc686abf4e56391c046a4aea6016501e2d8482dd14a0535834acd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rajcspsg/ProgrammingRust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46f997da859adb0dd32f09b3908d23fb33cbab5331143166ac0e55de6b609b77
[INFO] running `"docker" "start" "-a" "46f997da859adb0dd32f09b3908d23fb33cbab5331143166ac0e55de6b609b77"`
[INFO] [stderr]    Compiling ProgrammingRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `ProgrammingRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `programming_rust`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `chapter1`
[INFO] [stderr]  --> tests/gcd.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 |   use chapter1;
[INFO] [stderr]   |       ^^^^^^^^ no `chapter1` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `gcd` in this scope
[INFO] [stderr]   --> tests/gcd.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |         assert_eq!(gcd(15, 14), 1);
[INFO] [stderr]    |                    ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `ProgrammingRust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "46f997da859adb0dd32f09b3908d23fb33cbab5331143166ac0e55de6b609b77"`
[INFO] running `"docker" "rm" "-f" "46f997da859adb0dd32f09b3908d23fb33cbab5331143166ac0e55de6b609b77"`
[INFO] [stdout] 46f997da859adb0dd32f09b3908d23fb33cbab5331143166ac0e55de6b609b77