[INFO] updating cached repository https://github.com/mayhewj/lox
[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] ffc764b5f35e40a67ddf92072826a6e9d9d40f1b
[INFO] testing mayhewj/lox against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mayhewj/lox on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mayhewj/lox
[INFO] finished tweaking git repo https://github.com/mayhewj/lox
[INFO] tweaked toml for git repo https://github.com/mayhewj/lox written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mayhewj/lox already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ab752f9df9f34f0d13932b8b8ae814246af2601444dabbbf598144ea7ee95235
[INFO] running `"docker" "start" "-a" "ab752f9df9f34f0d13932b8b8ae814246af2601444dabbbf598144ea7ee95235"`
[INFO] [stderr]    Compiling termcolor v0.3.3
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.5.2
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/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 9.94s
[INFO] running `"docker" "inspect" "ab752f9df9f34f0d13932b8b8ae814246af2601444dabbbf598144ea7ee95235"`
[INFO] running `"docker" "rm" "-f" "ab752f9df9f34f0d13932b8b8ae814246af2601444dabbbf598144ea7ee95235"`
[INFO] [stdout] ab752f9df9f34f0d13932b8b8ae814246af2601444dabbbf598144ea7ee95235
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5b06ee4dfcdc37a00e269b18a3610de61cf25684adabe583bda0fffa8567349c
[INFO] running `"docker" "start" "-a" "5b06ee4dfcdc37a00e269b18a3610de61cf25684adabe583bda0fffa8567349c"`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/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 2.34s
[INFO] running `"docker" "inspect" "5b06ee4dfcdc37a00e269b18a3610de61cf25684adabe583bda0fffa8567349c"`
[INFO] running `"docker" "rm" "-f" "5b06ee4dfcdc37a00e269b18a3610de61cf25684adabe583bda0fffa8567349c"`
[INFO] [stdout] 5b06ee4dfcdc37a00e269b18a3610de61cf25684adabe583bda0fffa8567349c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] a073d83a35b2963487db3a2dfc446c02ee0fb5039ad167f9fb1a612977bbe9bf
[INFO] running `"docker" "start" "-a" "a073d83a35b2963487db3a2dfc446c02ee0fb5039ad167f9fb1a612977bbe9bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lox-574318f204b1e761
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test scanner::tests::conditional ... ok
[INFO] [stdout] test scanner::tests::identifier ... ok
[INFO] [stdout] test scanner::tests::number ... ok
[INFO] [stdout] test scanner::tests::print ... ok
[INFO] [stdout] test scanner::tests::string ... 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" "a073d83a35b2963487db3a2dfc446c02ee0fb5039ad167f9fb1a612977bbe9bf"`
[INFO] running `"docker" "rm" "-f" "a073d83a35b2963487db3a2dfc446c02ee0fb5039ad167f9fb1a612977bbe9bf"`
[INFO] [stdout] a073d83a35b2963487db3a2dfc446c02ee0fb5039ad167f9fb1a612977bbe9bf