[INFO] updating cached repository https://github.com/wimpykid26/rust-examples
[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] bff1d8f9f6d4c8f38a1297896ecc0afa4860467f
[INFO] testing wimpykid26/rust-examples against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwimpykid26%2Frust-examples" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wimpykid26/rust-examples 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/wimpykid26/rust-examples
[INFO] finished tweaking git repo https://github.com/wimpykid26/rust-examples
[INFO] tweaked toml for git repo https://github.com/wimpykid26/rust-examples written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wimpykid26/rust-examples 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] d5904c291913b2ec641f0f0f06aac6ba0c77ba1f4eaa21c8cadcfbfdc6fc6c7a
[INFO] running `"docker" "start" "-a" "d5904c291913b2ec641f0f0f06aac6ba0c77ba1f4eaa21c8cadcfbfdc6fc6c7a"`
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/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] 25 |             break 'outer;
[INFO] [stderr]    |             ------------ any code following this expression is unreachable
[INFO] [stderr] 26 |         }
[INFO] [stderr] 27 |         println!("This point will never be reached");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[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 2.37s
[INFO] running `"docker" "inspect" "d5904c291913b2ec641f0f0f06aac6ba0c77ba1f4eaa21c8cadcfbfdc6fc6c7a"`
[INFO] running `"docker" "rm" "-f" "d5904c291913b2ec641f0f0f06aac6ba0c77ba1f4eaa21c8cadcfbfdc6fc6c7a"`
[INFO] [stdout] d5904c291913b2ec641f0f0f06aac6ba0c77ba1f4eaa21c8cadcfbfdc6fc6c7a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 08277c6b35b99515533c881fa6b3d2cf91076992de40b15b11ecf66c910def8e
[INFO] running `"docker" "start" "-a" "08277c6b35b99515533c881fa6b3d2cf91076992de40b15b11ecf66c910def8e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/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] 25 |             break 'outer;
[INFO] [stderr]    |             ------------ any code following this expression is unreachable
[INFO] [stderr] 26 |         }
[INFO] [stderr] 27 |         println!("This point will never be reached");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[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 0.76s
[INFO] running `"docker" "inspect" "08277c6b35b99515533c881fa6b3d2cf91076992de40b15b11ecf66c910def8e"`
[INFO] running `"docker" "rm" "-f" "08277c6b35b99515533c881fa6b3d2cf91076992de40b15b11ecf66c910def8e"`
[INFO] [stdout] 08277c6b35b99515533c881fa6b3d2cf91076992de40b15b11ecf66c910def8e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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"`
[INFO] [stdout] ac4079dba40f5aa7d9065d9ab672bc69d48f40771e0e243eb381bd9de842b87f
[INFO] running `"docker" "start" "-a" "ac4079dba40f5aa7d9065d9ab672bc69d48f40771e0e243eb381bd9de842b87f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_examples-c8b72e4620ca57cf
[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]      Running /opt/rustwide/target/debug/deps/rust_examples-b0f3ab9b22ed1207
[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" "ac4079dba40f5aa7d9065d9ab672bc69d48f40771e0e243eb381bd9de842b87f"`
[INFO] running `"docker" "rm" "-f" "ac4079dba40f5aa7d9065d9ab672bc69d48f40771e0e243eb381bd9de842b87f"`
[INFO] [stdout] ac4079dba40f5aa7d9065d9ab672bc69d48f40771e0e243eb381bd9de842b87f