[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/beta-1.38-1/sources/1.37.0/gh/ficoos/roll"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ficoos/roll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ficoos/roll" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ficoos/roll"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 ficoos/roll 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 ficoos/roll
[INFO] finished frobbing ficoos/roll
[INFO] frobbed toml for ficoos/roll written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/ficoos/roll/Cargo.toml
[INFO] crate ficoos/roll 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 ficoos/roll 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ficoos/roll:/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] 90b85c5907615fe6d550b88606047e6c7d7fdc8f05fb77ce906a1befcb786264
[INFO] running `"docker" "start" "-a" "90b85c5907615fe6d550b88606047e6c7d7fdc8f05fb77ce906a1befcb786264"`
[INFO] [stderr]    Compiling 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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |         Some(&'0'...'9') => true,
[INFO] [stderr]    |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[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: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: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |         Some(&'0'...'9') | Some(&'d') => {},
[INFO] [stderr]     |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[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 1.34s
[INFO] running `"docker" "inspect" "90b85c5907615fe6d550b88606047e6c7d7fdc8f05fb77ce906a1befcb786264"`
[INFO] running `"docker" "rm" "-f" "90b85c5907615fe6d550b88606047e6c7d7fdc8f05fb77ce906a1befcb786264"`
[INFO] [stdout] 90b85c5907615fe6d550b88606047e6c7d7fdc8f05fb77ce906a1befcb786264
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ficoos/roll:/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] ddb148c46d857bb25fdd986dcad1ac47b029becf770d3dd197ea6233ca7d7e1b
[INFO] running `"docker" "start" "-a" "ddb148c46d857bb25fdd986dcad1ac47b029becf770d3dd197ea6233ca7d7e1b"`
[INFO] [stderr]    Compiling 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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |         Some(&'0'...'9') => true,
[INFO] [stderr]    |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[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: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: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |         Some(&'0'...'9') | Some(&'d') => {},
[INFO] [stderr]     |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[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 1.18s
[INFO] running `"docker" "inspect" "ddb148c46d857bb25fdd986dcad1ac47b029becf770d3dd197ea6233ca7d7e1b"`
[INFO] running `"docker" "rm" "-f" "ddb148c46d857bb25fdd986dcad1ac47b029becf770d3dd197ea6233ca7d7e1b"`
[INFO] [stdout] ddb148c46d857bb25fdd986dcad1ac47b029becf770d3dd197ea6233ca7d7e1b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ficoos/roll:/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] ddebf20a7268d307479d5de9c14818b5126bab75e84eafcf22c6e9783ccbef61
[INFO] running `"docker" "start" "-a" "ddebf20a7268d307479d5de9c14818b5126bab75e84eafcf22c6e9783ccbef61"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roll-7643e559605675dc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::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" "ddebf20a7268d307479d5de9c14818b5126bab75e84eafcf22c6e9783ccbef61"`
[INFO] running `"docker" "rm" "-f" "ddebf20a7268d307479d5de9c14818b5126bab75e84eafcf22c6e9783ccbef61"`
[INFO] [stdout] ddebf20a7268d307479d5de9c14818b5126bab75e84eafcf22c6e9783ccbef61