[INFO] updating cached repository ficoos/roll
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ficoos/roll
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ficoos/roll" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/ficoos/roll"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/ficoos/roll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ficoos/roll" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/ficoos/roll"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/ficoos/roll'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7d320663191b72a99cc1aaa8b920c4bdf0869a8
[INFO] sha for GitHub repo ficoos/roll: d7d320663191b72a99cc1aaa8b920c4bdf0869a8
[INFO] validating manifest of ficoos/roll on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ficoos/roll on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ficoos/roll
[INFO] finished frobbing ficoos/roll
[INFO] frobbed toml for ficoos/roll written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/ficoos/roll/Cargo.toml
[INFO] started frobbing ficoos/roll
[INFO] finished frobbing ficoos/roll
[INFO] frobbed toml for ficoos/roll written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/ficoos/roll/Cargo.toml
[INFO] crate ficoos/roll already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ficoos/roll against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-6/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/ficoos/roll:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e66d94578c91937804e6f6300742de12171179bfd83bc1a84e486f9e73edb6a6
[INFO] running `"docker" "start" "-a" "e66d94578c91937804e6f6300742de12171179bfd83bc1a84e486f9e73edb6a6"`
[INFO] [stderr]     Checking roll v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]   |                       ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[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:9:45
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]   |                                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:50
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:103:59
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn read_operand<T>(chars: &mut Peekable<T>) -> Option<Box<Expression>>
[INFO] [stderr]     |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:137:43
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn roll(roll_def: &str) -> Result<Box<Expression>, ParseError>
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]   |                       ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[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:9:45
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]   |                                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:50
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:103:59
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn read_operand<T>(chars: &mut Peekable<T>) -> Option<Box<Expression>>
[INFO] [stderr]     |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:137:43
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn roll(roll_def: &str) -> Result<Box<Expression>, ParseError>
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "e66d94578c91937804e6f6300742de12171179bfd83bc1a84e486f9e73edb6a6"`
[INFO] running `"docker" "rm" "-f" "e66d94578c91937804e6f6300742de12171179bfd83bc1a84e486f9e73edb6a6"`
[INFO] [stdout] e66d94578c91937804e6f6300742de12171179bfd83bc1a84e486f9e73edb6a6