[INFO] cloning repository https://github.com/ficoos/roll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ficoos/roll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fficoos%2Froll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fficoos%2Froll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7d320663191b72a99cc1aaa8b920c4bdf0869a8
[INFO] checking ficoos/roll against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fficoos%2Froll" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ficoos/roll on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ficoos/roll
[INFO] finished tweaking git repo https://github.com/ficoos/roll
[INFO] tweaked toml for git repo https://github.com/ficoos/roll written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ficoos/roll already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1154b97b32e42aaa3194cedfe19c33991bf877462794c0a1881ae9e8d4402484
[INFO] running `Command { std: "docker" "start" "-a" "1154b97b32e42aaa3194cedfe19c33991bf877462794c0a1881ae9e8d4402484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1154b97b32e42aaa3194cedfe19c33991bf877462794c0a1881ae9e8d4402484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1154b97b32e42aaa3194cedfe19c33991bf877462794c0a1881ae9e8d4402484", kill_on_drop: false }`
[INFO] [stdout] 1154b97b32e42aaa3194cedfe19c33991bf877462794c0a1881ae9e8d4402484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f97074c0ab38991aeb710c7b40d405ea98bc5a2a65dc798461d1af3096e6d4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f97074c0ab38991aeb710c7b40d405ea98bc5a2a65dc798461d1af3096e6d4a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking roll v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]   |                       ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]   |                                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/main.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Some(&'0'...'9') => true,
[INFO] [stdout]    |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:103:59
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn read_operand<T>(chars: &mut Peekable<T>) -> Option<Box<Expression>>
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Some(&'0'...'9') | Some(&'d') => {},
[INFO] [stdout]     |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:137:43
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn roll(roll_def: &str) -> Result<Box<Expression>, ParseError>
[INFO] [stdout]     |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]   |                       ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Add { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]   |                                             ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Subtract { lhs: Box<Expression>, rhs: Box<Expression> }
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/main.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Some(&'0'...'9') => true,
[INFO] [stdout]    |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:103:59
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn read_operand<T>(chars: &mut Peekable<T>) -> Option<Box<Expression>>
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |         Some(&'0'...'9') | Some(&'d') => {},
[INFO] [stdout]     |              ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:137:43
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn roll(roll_def: &str) -> Result<Box<Expression>, ParseError>
[INFO] [stdout]     |                                           ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/main.rs:205:11
[INFO] [stdout]     |
[INFO] [stdout] 205 |         ].into_iter() {
[INFO] [stdout]     |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "2f97074c0ab38991aeb710c7b40d405ea98bc5a2a65dc798461d1af3096e6d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f97074c0ab38991aeb710c7b40d405ea98bc5a2a65dc798461d1af3096e6d4a", kill_on_drop: false }`
[INFO] [stdout] 2f97074c0ab38991aeb710c7b40d405ea98bc5a2a65dc798461d1af3096e6d4a