[INFO] updating cached repository Mathieu-Desrochers/Learning-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mathieu-Desrochers/Learning-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mathieu-Desrochers/Learning-Rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Mathieu-Desrochers/Learning-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Mathieu-Desrochers/Learning-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mathieu-Desrochers/Learning-Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mathieu-Desrochers/Learning-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mathieu-Desrochers/Learning-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9d11ddc65499029b740fbfe10a373792bea40b37
[INFO] sha for GitHub repo Mathieu-Desrochers/Learning-Rust: 9d11ddc65499029b740fbfe10a373792bea40b37
[INFO] validating manifest of Mathieu-Desrochers/Learning-Rust 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 Mathieu-Desrochers/Learning-Rust 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 Mathieu-Desrochers/Learning-Rust
[INFO] finished frobbing Mathieu-Desrochers/Learning-Rust
[INFO] frobbed toml for Mathieu-Desrochers/Learning-Rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Mathieu-Desrochers/Learning-Rust/Cargo.toml
[INFO] started frobbing Mathieu-Desrochers/Learning-Rust
[INFO] finished frobbing Mathieu-Desrochers/Learning-Rust
[INFO] frobbed toml for Mathieu-Desrochers/Learning-Rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mathieu-Desrochers/Learning-Rust/Cargo.toml
[INFO] crate Mathieu-Desrochers/Learning-Rust 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 Mathieu-Desrochers/Learning-Rust 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-5/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/Mathieu-Desrochers/Learning-Rust:/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] 3aaafe4d58c1c8cde332e232965664277778c918ce5da430a250a196078d1446
[INFO] running `"docker" "start" "-a" "3aaafe4d58c1c8cde332e232965664277778c918ce5da430a250a196078d1446"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:355:10
[INFO] [stderr]     |
[INFO] [stderr] 355 |         0...100 => "Small",
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:421:14
[INFO] [stderr]     |
[INFO] [stderr] 421 |     let x1: &Eatable = &12;
[INFO] [stderr]     |              ^^^^^^^ help: use `dyn`: `dyn Eatable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:422:36
[INFO] [stderr]     |
[INFO] [stderr] 422 |     fn have_quick_snack(_eatable: &Eatable) {}
[INFO] [stderr]     |                                    ^^^^^^^ help: use `dyn`: `dyn Eatable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:430:25
[INFO] [stderr]     |
[INFO] [stderr] 430 |     let mut x2: Vec<Box<Eatable>> = Vec::new();
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Eatable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:474:28
[INFO] [stderr]     |
[INFO] [stderr] 474 |     let mut closures: Vec<&Fn(i32) -> i32> = Vec::new();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:488:15
[INFO] [stderr]     |
[INFO] [stderr] 488 |     let _z2: &FnMut(i32) = &y2;
[INFO] [stderr]     |               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "3aaafe4d58c1c8cde332e232965664277778c918ce5da430a250a196078d1446"`
[INFO] running `"docker" "rm" "-f" "3aaafe4d58c1c8cde332e232965664277778c918ce5da430a250a196078d1446"`
[INFO] [stdout] 3aaafe4d58c1c8cde332e232965664277778c918ce5da430a250a196078d1446
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/Mathieu-Desrochers/Learning-Rust:/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] c9fdf0bff894c9c50b92c31e72972b951275546ea4aaa51f2c904affff721c5e
[INFO] running `"docker" "start" "-a" "c9fdf0bff894c9c50b92c31e72972b951275546ea4aaa51f2c904affff721c5e"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:355:10
[INFO] [stderr]     |
[INFO] [stderr] 355 |         0...100 => "Small",
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:421:14
[INFO] [stderr]     |
[INFO] [stderr] 421 |     let x1: &Eatable = &12;
[INFO] [stderr]     |              ^^^^^^^ help: use `dyn`: `dyn Eatable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:422:36
[INFO] [stderr]     |
[INFO] [stderr] 422 |     fn have_quick_snack(_eatable: &Eatable) {}
[INFO] [stderr]     |                                    ^^^^^^^ help: use `dyn`: `dyn Eatable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:430:25
[INFO] [stderr]     |
[INFO] [stderr] 430 |     let mut x2: Vec<Box<Eatable>> = Vec::new();
[INFO] [stderr]     |                         ^^^^^^^ help: use `dyn`: `dyn Eatable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:474:28
[INFO] [stderr]     |
[INFO] [stderr] 474 |     let mut closures: Vec<&Fn(i32) -> i32> = Vec::new();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:488:15
[INFO] [stderr]     |
[INFO] [stderr] 488 |     let _z2: &FnMut(i32) = &y2;
[INFO] [stderr]     |               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "c9fdf0bff894c9c50b92c31e72972b951275546ea4aaa51f2c904affff721c5e"`
[INFO] running `"docker" "rm" "-f" "c9fdf0bff894c9c50b92c31e72972b951275546ea4aaa51f2c904affff721c5e"`
[INFO] [stdout] c9fdf0bff894c9c50b92c31e72972b951275546ea4aaa51f2c904affff721c5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/Mathieu-Desrochers/Learning-Rust:/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"`
[INFO] [stdout] 8846ac91c188e544d350bd2577a7fa6e9bd01047b5fb1d2ca51ff62ca92c718a
[INFO] running `"docker" "start" "-a" "8846ac91c188e544d350bd2577a7fa6e9bd01047b5fb1d2ca51ff62ca92c718a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-c746080f40199be7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test unit_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-be1654a3efa9f2db
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8846ac91c188e544d350bd2577a7fa6e9bd01047b5fb1d2ca51ff62ca92c718a"`
[INFO] running `"docker" "rm" "-f" "8846ac91c188e544d350bd2577a7fa6e9bd01047b5fb1d2ca51ff62ca92c718a"`
[INFO] [stdout] 8846ac91c188e544d350bd2577a7fa6e9bd01047b5fb1d2ca51ff62ca92c718a