[INFO] updating cached repository https://github.com/strout/worthy-opponent [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b5ca0410ab62a200ca90420c8a5537d38f6b41d [INFO] documenting strout/worthy-opponent against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrout%2Fworthy-opponent" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/strout/worthy-opponent on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/strout/worthy-opponent [INFO] finished tweaking git repo https://github.com/strout/worthy-opponent [INFO] tweaked toml for git repo https://github.com/strout/worthy-opponent written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/strout/worthy-opponent already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f40dba5f977ecb403c9f2df5c9b1ad904e39a87176d42b1ef9410ebc05053e0 [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" "1f40dba5f977ecb403c9f2df5c9b1ad904e39a87176d42b1ef9410ebc05053e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f40dba5f977ecb403c9f2df5c9b1ad904e39a87176d42b1ef9410ebc05053e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f40dba5f977ecb403c9f2df5c9b1ad904e39a87176d42b1ef9410ebc05053e0", kill_on_drop: false }` [INFO] [stdout] 1f40dba5f977ecb403c9f2df5c9b1ad904e39a87176d42b1ef9410ebc05053e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e278d943a361fe551bf7a29562c9f463b83288322cae122781407f5adeb1dffe [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" "e278d943a361fe551bf7a29562c9f463b83288322cae122781407f5adeb1dffe", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking rand_os v0.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking bit-set v0.5.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking tiny_http v0.6.1 [INFO] [stderr] Checking worthy-opponent v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting worthy-opponent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | try!(write!(fmt, "({}", name)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:48:25 [INFO] [stdout] | [INFO] [stdout] 48 | try!(write!(fmt, " {}", arg)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | try!(write!(fmt, "(")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | try!(write_interned(fmt, self.name)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | try!(write!(fmt, " {}", arg)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:254:31 [INFO] [stdout] | [INFO] [stdout] 254 | let (arg, next) = try!(parse_sexpr(rest)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:362:13 [INFO] [stdout] | [INFO] [stdout] 362 | try!(write!(fmt, "(<= {}", self.head)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ggp.rs:364:17 [INFO] [stdout] | [INFO] [stdout] 364 | try!(write!(fmt, " {}", p)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:23:24 [INFO] [stdout] | [INFO] [stdout] 23 | let f: isize = try!(ss.next().and_then(|s| s.parse().ok()).ok_or(())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:24:24 [INFO] [stdout] | [INFO] [stdout] 24 | let t: usize = try!(ss.next().and_then(|s| s.parse().ok()).ok_or(())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:25:24 [INFO] [stdout] | [INFO] [stdout] 25 | let r: isize = try!(ss.next().and_then(|s| s.parse().ok()).ok_or(())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | try!(self.from.map(|x| x as isize).unwrap_or(-1).fmt(formatter)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | try!(','.fmt(formatter)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | try!(self.to.fmt(formatter)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/ninemensmorris.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | try!(','.fmt(formatter)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ggp.rs:371:95 [INFO] [stdout] | [INFO] [stdout] 371 | fn add_arg<'a, 'b, I: Iterator>> + 'a>(sofar: I, arg: &'a Expr<'b>) -> Box>> + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>> + 'a` [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/ggp.rs:375:71 [INFO] [stdout] | [INFO] [stdout] 375 | "and" => Box::new(args.iter().fold(Box::new(sofar) as Box>, add_arg)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ggp.rs:384:89 [INFO] [stdout] | [INFO] [stdout] 384 | fn add_args<'a, 'b, I: Iterator>>(head: &'a Expr<'b>, from: I) -> Box> + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ggp.rs:385:46 [INFO] [stdout] | [INFO] [stdout] 385 | let base = Box::new(once(vec![])) as Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ggp.rs:510:56 [INFO] [stdout] | [INFO] [stdout] 510 | pub fn query<'b>(&'b self, expr: &'b IExpr) -> Box + 'b> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ggp.rs:521:74 [INFO] [stdout] | [INFO] [stdout] 521 | fn query_inner<'b>(&'b self, expr: ValExpr, asg: Assignments) -> Box + 'b> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator + 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ggp.rs:529:118 [INFO] [stdout] | [INFO] [stdout] 529 | ...sg, vars)).into_iter()) as Box)> + 'b>, move |asgs, t| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator)> + 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/connectfour.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::mem::uninitialized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/connectfour.rs:16:75 [INFO] [stdout] | [INFO] [stdout] 16 | let mut b = unsafe /* hold on to your hat, 'cause here we go */ { uninitialized::<[Space; WIDTH * HEIGHT]>() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'core::str::::trim_left': superseded by `trim_start` [INFO] [stdout] --> src/ggp.rs:214:19 [INFO] [stdout] | [INFO] [stdout] 214 | let mut s = s.trim_left(); [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'core::str::::trim_left': superseded by `trim_start` [INFO] [stdout] --> src/ggp.rs:216:51 [INFO] [stdout] | [INFO] [stdout] 216 | s = &s[s.find('\n').unwrap_or(s.len())..].trim_left(); [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [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/go.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | for &p in neighbors(p).into_iter().flat_map(|x| x) { [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 [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/go.rs:60:33 [INFO] [stdout] | [INFO] [stdout] 60 | if neighbors(p).into_iter().flat_map(|x| x).any(|&p| !capture_inner(c, p, b, captured)) { return false } [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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 [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/go.rs:123:32 [INFO] [stdout] | [INFO] [stdout] 123 | for &p in neighbors(p).into_iter().flat_map(|x| x) { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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 [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/go.rs:136:32 [INFO] [stdout] | [INFO] [stdout] 136 | for &p in neighbors(p).into_iter().flat_map(|x| x) { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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 [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/go.rs:151:25 [INFO] [stdout] | [INFO] [stdout] 151 | if neighbors(p).into_iter().flat_map(|x| x).any(|&p| { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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 [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/go.rs:155:35 [INFO] [stdout] | [INFO] [stdout] 155 | c => neighbors(p).into_iter().filter_map(|&x| x).filter(|&p| self.board[p] != c.enemy()).count() == 1 [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.44s [INFO] running `Command { std: "docker" "inspect" "e278d943a361fe551bf7a29562c9f463b83288322cae122781407f5adeb1dffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e278d943a361fe551bf7a29562c9f463b83288322cae122781407f5adeb1dffe", kill_on_drop: false }` [INFO] [stdout] e278d943a361fe551bf7a29562c9f463b83288322cae122781407f5adeb1dffe