[INFO] updating cached repository alirux/rust_examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alirux/rust_examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alirux/rust_examples" "work/ex/beta-1.38-1/sources/1.37.0/gh/alirux/rust_examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alirux/rust_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alirux/rust_examples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alirux/rust_examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alirux/rust_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdf73e1f5682819925bff17ad5afce0ed12b8252
[INFO] sha for GitHub repo alirux/rust_examples: cdf73e1f5682819925bff17ad5afce0ed12b8252
[INFO] validating manifest of alirux/rust_examples 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 alirux/rust_examples 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 alirux/rust_examples
[INFO] finished frobbing alirux/rust_examples
[INFO] frobbed toml for alirux/rust_examples written to work/ex/beta-1.38-1/sources/1.37.0/gh/alirux/rust_examples/Cargo.toml
[INFO] started frobbing alirux/rust_examples
[INFO] finished frobbing alirux/rust_examples
[INFO] frobbed toml for alirux/rust_examples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alirux/rust_examples/Cargo.toml
[INFO] crate alirux/rust_examples 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 alirux/rust_examples 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alirux/rust_examples:/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] 02ece06470a6a430c47643ca2ec9ec2180aa4e90f1389d3fb7071c5fee730bce
[INFO] running `"docker" "start" "-a" "02ece06470a6a430c47643ca2ec9ec2180aa4e90f1389d3fb7071c5fee730bce"`
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `INPROGRESS`
[INFO] [stderr]   --> src/bin/enum.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         INPROGRESS,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WORKED`
[INFO] [stderr]   --> src/bin/enum.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         WORKED(String),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `by`
[INFO] [stderr]   --> src/bin/enum.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |         STORED{ by: String, when: String },
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `when`
[INFO] [stderr]   --> src/bin/enum.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |         STORED{ by: String, when: String },
[INFO] [stderr]    |                             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `created_on`
[INFO] [stderr]   --> src/bin/structs.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         created_on: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `created_by`
[INFO] [stderr]   --> src/bin/structs.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         created_by: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `urgent`
[INFO] [stderr]   --> src/bin/structs.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         urgent: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `_enve1Copy` should have a snake case name
[INFO] [stderr]   --> src/bin/structs.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _enve1Copy = Envelope {
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `_enve1_copy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "02ece06470a6a430c47643ca2ec9ec2180aa4e90f1389d3fb7071c5fee730bce"`
[INFO] running `"docker" "rm" "-f" "02ece06470a6a430c47643ca2ec9ec2180aa4e90f1389d3fb7071c5fee730bce"`
[INFO] [stdout] 02ece06470a6a430c47643ca2ec9ec2180aa4e90f1389d3fb7071c5fee730bce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alirux/rust_examples:/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] d4b79ee9c703cdcf135dbb7992611212339c9e336243d768518734a2ea3f4b24
[INFO] running `"docker" "start" "-a" "d4b79ee9c703cdcf135dbb7992611212339c9e336243d768518734a2ea3f4b24"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `_enve1Copy` should have a snake case name
[INFO] [stderr]   --> src/bin/structs.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _enve1Copy = Envelope {
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `_enve1_copy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "d4b79ee9c703cdcf135dbb7992611212339c9e336243d768518734a2ea3f4b24"`
[INFO] running `"docker" "rm" "-f" "d4b79ee9c703cdcf135dbb7992611212339c9e336243d768518734a2ea3f4b24"`
[INFO] [stdout] d4b79ee9c703cdcf135dbb7992611212339c9e336243d768518734a2ea3f4b24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alirux/rust_examples:/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"`
[INFO] [stdout] 00c82c45c77043a05b87f23982de717abf0ea0e6c765756c3ecba3bc743fb812
[INFO] running `"docker" "start" "-a" "00c82c45c77043a05b87f23982de717abf0ea0e6c765756c3ecba3bc743fb812"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enum-ebd05da9f70290cf
[INFO] [stderr]      Running /opt/crater/target/debug/deps/open-daa272fd46a288cd
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_examples-30992a2f4ed1b510
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/structs-b4c133d747069afa
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "00c82c45c77043a05b87f23982de717abf0ea0e6c765756c3ecba3bc743fb812"`
[INFO] running `"docker" "rm" "-f" "00c82c45c77043a05b87f23982de717abf0ea0e6c765756c3ecba3bc743fb812"`
[INFO] [stdout] 00c82c45c77043a05b87f23982de717abf0ea0e6c765756c3ecba3bc743fb812