[INFO] updating cached repository wimpykid26/rust-examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wimpykid26/rust-examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wimpykid26/rust-examples" "work/ex/beta-1.37-6/sources/1.36.0/gh/wimpykid26/rust-examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wimpykid26/rust-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wimpykid26/rust-examples" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wimpykid26/rust-examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wimpykid26/rust-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bff1d8f9f6d4c8f38a1297896ecc0afa4860467f
[INFO] sha for GitHub repo wimpykid26/rust-examples: bff1d8f9f6d4c8f38a1297896ecc0afa4860467f
[INFO] validating manifest of wimpykid26/rust-examples on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wimpykid26/rust-examples on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wimpykid26/rust-examples
[INFO] finished frobbing wimpykid26/rust-examples
[INFO] frobbed toml for wimpykid26/rust-examples written to work/ex/beta-1.37-6/sources/1.36.0/gh/wimpykid26/rust-examples/Cargo.toml
[INFO] started frobbing wimpykid26/rust-examples
[INFO] finished frobbing wimpykid26/rust-examples
[INFO] frobbed toml for wimpykid26/rust-examples written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wimpykid26/rust-examples/Cargo.toml
[INFO] crate wimpykid26/rust-examples already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wimpykid26/rust-examples against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wimpykid26/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6f3c5acbebe0993334c48eac3c3f9aa3e2d46ba84cbf16682884ebd18cd3ddc7
[INFO] running `"docker" "start" "-a" "6f3c5acbebe0993334c48eac3c3f9aa3e2d46ba84cbf16682884ebd18cd3ddc7"`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/expressions/match_cases.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 |         n @ 1...12 => println!("Age is {}", n),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/expressions/match_cases.rs:78:11
[INFO] [stderr]    |
[INFO] [stderr] 78 |         12...19 => println!("Teen"),
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/functions/closures.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn return_fn() -> Box<Fn()> {
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/expressions/loops.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("This point will never be reached");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/expressions/match_cases.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]   --> src/expressions/match_cases.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let ref reference = 5;
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_reference`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "6f3c5acbebe0993334c48eac3c3f9aa3e2d46ba84cbf16682884ebd18cd3ddc7"`
[INFO] running `"docker" "rm" "-f" "6f3c5acbebe0993334c48eac3c3f9aa3e2d46ba84cbf16682884ebd18cd3ddc7"`
[INFO] [stdout] 6f3c5acbebe0993334c48eac3c3f9aa3e2d46ba84cbf16682884ebd18cd3ddc7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wimpykid26/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8e7da7651fbe1dcb7b4e5b68289849a157aa6da804c9c9ee00b5aa77488f2b61
[INFO] running `"docker" "start" "-a" "8e7da7651fbe1dcb7b4e5b68289849a157aa6da804c9c9ee00b5aa77488f2b61"`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/expressions/match_cases.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 |         n @ 1...12 => println!("Age is {}", n),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/expressions/match_cases.rs:78:11
[INFO] [stderr]    |
[INFO] [stderr] 78 |         12...19 => println!("Teen"),
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/functions/closures.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn return_fn() -> Box<Fn()> {
[INFO] [stderr]    |                           ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/expressions/loops.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         println!("This point will never be reached");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/expressions/match_cases.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reference`
[INFO] [stderr]   --> src/expressions/match_cases.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let ref reference = 5;
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_reference`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "8e7da7651fbe1dcb7b4e5b68289849a157aa6da804c9c9ee00b5aa77488f2b61"`
[INFO] running `"docker" "rm" "-f" "8e7da7651fbe1dcb7b4e5b68289849a157aa6da804c9c9ee00b5aa77488f2b61"`
[INFO] [stdout] 8e7da7651fbe1dcb7b4e5b68289849a157aa6da804c9c9ee00b5aa77488f2b61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wimpykid26/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] af48c3fb7f2934e2a17019c12ce9b4354cfac9dfb827f8e74f6fb2941ae8cf0d
[INFO] running `"docker" "start" "-a" "af48c3fb7f2934e2a17019c12ce9b4354cfac9dfb827f8e74f6fb2941ae8cf0d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_examples-487b4b7e433dbdc6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_examples-552c611c6bcd3b5b
[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] [stderr]    Doc-tests rust-examples
[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" "af48c3fb7f2934e2a17019c12ce9b4354cfac9dfb827f8e74f6fb2941ae8cf0d"`
[INFO] running `"docker" "rm" "-f" "af48c3fb7f2934e2a17019c12ce9b4354cfac9dfb827f8e74f6fb2941ae8cf0d"`
[INFO] [stdout] af48c3fb7f2934e2a17019c12ce9b4354cfac9dfb827f8e74f6fb2941ae8cf0d