[INFO] updating cached repository mattrayner/learning-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattrayner/learning-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattrayner/learning-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattrayner/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattrayner/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattrayner/learning-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattrayner/learning-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattrayner/learning-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76a51d5948e6b4b3829eb649b52bf0496266591f
[INFO] sha for GitHub repo mattrayner/learning-rust: 76a51d5948e6b4b3829eb649b52bf0496266591f
[INFO] validating manifest of mattrayner/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 mattrayner/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 mattrayner/learning-rust
[INFO] finished frobbing mattrayner/learning-rust
[INFO] frobbed toml for mattrayner/learning-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattrayner/learning-rust/Cargo.toml
[INFO] started frobbing mattrayner/learning-rust
[INFO] finished frobbing mattrayner/learning-rust
[INFO] frobbed toml for mattrayner/learning-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattrayner/learning-rust/Cargo.toml
[INFO] crate mattrayner/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 mattrayner/learning-rust 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattrayner/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8741ea179e3e259762d670240985f3cb19d8b15141ba75f9607262f16ddf6b74
[INFO] running `"docker" "start" "-a" "8741ea179e3e259762d670240985f3cb19d8b15141ba75f9607262f16ddf6b74"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/control_flow.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |     1...999 => "unknown", // A range with three dots is INCLUSIVE of the right hand side
[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/data_structures/pattern_matching.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     z @ 9...11 => "lots",
[INFO] [stderr]   |          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traits.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn print_it_too(z: &Printable) {
[INFO] [stderr]     |                     ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[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/traits.rs:190:16
[INFO] [stderr]     |
[INFO] [stderr] 190 |   let shapes:[&Shape; 4] = [
[INFO] [stderr]     |                ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "8741ea179e3e259762d670240985f3cb19d8b15141ba75f9607262f16ddf6b74"`
[INFO] running `"docker" "rm" "-f" "8741ea179e3e259762d670240985f3cb19d8b15141ba75f9607262f16ddf6b74"`
[INFO] [stdout] 8741ea179e3e259762d670240985f3cb19d8b15141ba75f9607262f16ddf6b74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattrayner/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bfcee0d5326d41b76f605a6275c9dbce8e3bd11807a94f6bc9c842dab6b26fe3
[INFO] running `"docker" "start" "-a" "bfcee0d5326d41b76f605a6275c9dbce8e3bd11807a94f6bc9c842dab6b26fe3"`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/control_flow.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |     1...999 => "unknown", // A range with three dots is INCLUSIVE of the right hand side
[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/data_structures/pattern_matching.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     z @ 9...11 => "lots",
[INFO] [stderr]   |          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traits.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn print_it_too(z: &Printable) {
[INFO] [stderr]     |                     ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[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/traits.rs:190:16
[INFO] [stderr]     |
[INFO] [stderr] 190 |   let shapes:[&Shape; 4] = [
[INFO] [stderr]     |                ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "bfcee0d5326d41b76f605a6275c9dbce8e3bd11807a94f6bc9c842dab6b26fe3"`
[INFO] running `"docker" "rm" "-f" "bfcee0d5326d41b76f605a6275c9dbce8e3bd11807a94f6bc9c842dab6b26fe3"`
[INFO] [stdout] bfcee0d5326d41b76f605a6275c9dbce8e3bd11807a94f6bc9c842dab6b26fe3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattrayner/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 90544cde67bf0a61da6a216b81c52eca31e84ff8abe9d58961ac3a64b5eceab1
[INFO] running `"docker" "start" "-a" "90544cde67bf0a61da6a216b81c52eca31e84ff8abe9d58961ac3a64b5eceab1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-209e7b6b9cbe4cf0
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "90544cde67bf0a61da6a216b81c52eca31e84ff8abe9d58961ac3a64b5eceab1"`
[INFO] running `"docker" "rm" "-f" "90544cde67bf0a61da6a216b81c52eca31e84ff8abe9d58961ac3a64b5eceab1"`
[INFO] [stdout] 90544cde67bf0a61da6a216b81c52eca31e84ff8abe9d58961ac3a64b5eceab1