[INFO] updating cached repository mayhewj/lox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mayhewj/lox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mayhewj/lox" "work/ex/beta-1.38-1/sources/1.37.0/gh/mayhewj/lox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mayhewj/lox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mayhewj/lox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mayhewj/lox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mayhewj/lox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffc764b5f35e40a67ddf92072826a6e9d9d40f1b
[INFO] sha for GitHub repo mayhewj/lox: ffc764b5f35e40a67ddf92072826a6e9d9d40f1b
[INFO] validating manifest of mayhewj/lox 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 mayhewj/lox 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 mayhewj/lox
[INFO] finished frobbing mayhewj/lox
[INFO] frobbed toml for mayhewj/lox written to work/ex/beta-1.38-1/sources/1.37.0/gh/mayhewj/lox/Cargo.toml
[INFO] started frobbing mayhewj/lox
[INFO] finished frobbing mayhewj/lox
[INFO] frobbed toml for mayhewj/lox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mayhewj/lox/Cargo.toml
[INFO] crate mayhewj/lox 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mayhewj/lox 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mayhewj/lox:/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] 9c7bee497391c6c6a914d742a3831b9ead4dfdc015935c8d5ddcdfe1be871a14
[INFO] running `"docker" "start" "-a" "9c7bee497391c6c6a914d742a3831b9ead4dfdc015935c8d5ddcdfe1be871a14"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling env_logger v0.5.2
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/lox_callable.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl fmt::Display for LoxCallable {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn LoxCallable`
[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/runtime/value.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Callable(Rc<LoxCallable>),
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn LoxCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/value.rs:28:45
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn into_callable(self) -> Option<Rc<LoxCallable>> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn LoxCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `"docker" "inspect" "9c7bee497391c6c6a914d742a3831b9ead4dfdc015935c8d5ddcdfe1be871a14"`
[INFO] running `"docker" "rm" "-f" "9c7bee497391c6c6a914d742a3831b9ead4dfdc015935c8d5ddcdfe1be871a14"`
[INFO] [stdout] 9c7bee497391c6c6a914d742a3831b9ead4dfdc015935c8d5ddcdfe1be871a14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mayhewj/lox:/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] 10a49e164726f5ee8d6f7887a9ce6cd9988a3d0a64626a4384b4b781714f3fd4
[INFO] running `"docker" "start" "-a" "10a49e164726f5ee8d6f7887a9ce6cd9988a3d0a64626a4384b4b781714f3fd4"`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/lox_callable.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl fmt::Display for LoxCallable {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn LoxCallable`
[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/runtime/value.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Callable(Rc<LoxCallable>),
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn LoxCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/value.rs:28:45
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn into_callable(self) -> Option<Rc<LoxCallable>> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn LoxCallable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "10a49e164726f5ee8d6f7887a9ce6cd9988a3d0a64626a4384b4b781714f3fd4"`
[INFO] running `"docker" "rm" "-f" "10a49e164726f5ee8d6f7887a9ce6cd9988a3d0a64626a4384b4b781714f3fd4"`
[INFO] [stdout] 10a49e164726f5ee8d6f7887a9ce6cd9988a3d0a64626a4384b4b781714f3fd4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mayhewj/lox:/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] 582a9b0d5a60c9bbac24b78a57b455a3ad5a8d6c7506b231df4f3fe964b07999
[INFO] running `"docker" "start" "-a" "582a9b0d5a60c9bbac24b78a57b455a3ad5a8d6c7506b231df4f3fe964b07999"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lox-96c89f58eac6c039
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test scanner::tests::number ... ok
[INFO] [stdout] test scanner::tests::print ... ok
[INFO] [stdout] test scanner::tests::identifier ... ok
[INFO] [stdout] test scanner::tests::string ... ok
[INFO] [stdout] test scanner::tests::conditional ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "582a9b0d5a60c9bbac24b78a57b455a3ad5a8d6c7506b231df4f3fe964b07999"`
[INFO] running `"docker" "rm" "-f" "582a9b0d5a60c9bbac24b78a57b455a3ad5a8d6c7506b231df4f3fe964b07999"`
[INFO] [stdout] 582a9b0d5a60c9bbac24b78a57b455a3ad5a8d6c7506b231df4f3fe964b07999