[INFO] cloning repository https://github.com/andy-hanson/rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andy-hanson/rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-hanson%2Frs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-hanson%2Frs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b4c5852c0eaa41d62357eae93a53e46a90e96b4
[INFO] checking andy-hanson/rs against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandy-hanson%2Frs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andy-hanson/rs on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andy-hanson/rs
[INFO] finished tweaking git repo https://github.com/andy-hanson/rs
[INFO] tweaked toml for git repo https://github.com/andy-hanson/rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/andy-hanson/rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] 83473d3a8f18caf04490543b1f8b70ba5d2e9c3a5d46656d82519b090628b5d2
[INFO] running `Command { std: "docker" "start" "-a" "83473d3a8f18caf04490543b1f8b70ba5d2e9c3a5d46656d82519b090628b5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83473d3a8f18caf04490543b1f8b70ba5d2e9c3a5d46656d82519b090628b5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83473d3a8f18caf04490543b1f8b70ba5d2e9c3a5d46656d82519b090628b5d2", kill_on_drop: false }`
[INFO] [stdout] 83473d3a8f18caf04490543b1f8b70ba5d2e9c3a5d46656d82519b090628b5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07de11860310e039290d731eb7406f7cc339e50cbb11d4136a34e7527566a31e
[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" "07de11860310e039290d731eb7406f7cc339e50cbb11d4136a34e7527566a31e", kill_on_drop: false }`
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking diff v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/crates/util)
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/arena.rs:97:48
[INFO] [stdout]    |
[INFO] [stdout] 97 |         self.map_with_place(inputs, |x, place| place <- x)
[INFO] [stdout]    |                                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 97 |         self.map_with_place(inputs, |x, place| place < - x)
[INFO] [stdout]    |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/arena.rs:106:48
[INFO] [stdout]     |
[INFO] [stdout] 106 |         self.map_with_place(inputs, |x, place| place <- f(x))
[INFO] [stdout]     |                                                      ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 106 |         self.map_with_place(inputs, |x, place| place < - f(x))
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/arena.rs:161:11
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &mut b <- f();
[INFO] [stdout]     |                    ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &mut b < - f();
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `mut_from_ref`
[INFO] [stdout]   --> crates/util/src/arena.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |     #[allow(mut_from_ref)]
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `mut_from_ref`
[INFO] [stdout]    --> crates/util/src/arena.rs:100:10
[INFO] [stdout]     |
[INFO] [stdout] 100 |     #[allow(mut_from_ref)]
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `needless_lifetimes`
[INFO] [stdout]    --> crates/util/src/arena.rs:110:10
[INFO] [stdout]     |
[INFO] [stdout] 110 |     #[allow(needless_lifetimes)] // False positive
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/dict.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.add(key) <- value;
[INFO] [stdout]    |                       ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.add(key) < - value;
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/dict.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             d.add(k) <- f(v)
[INFO] [stdout]     |                      ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 104 |             d.add(k) < - f(v)
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/dict.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.0.add(value) <- ()
[INFO] [stdout]     |                           ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.0.add(value) < - ()
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/file_utils.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 res.add(child_path) <- do_read_file(child_full_path, options, arena)?;
[INFO] [stdout]    |                                     ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 res.add(child_path) < - do_read_file(child_full_path, options, arena)?;
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &mut res <- b'/';
[INFO] [stdout]    |                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &mut res < - b'/';
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 &mut res <- *c;
[INFO] [stdout]    |                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 &mut res < - *c;
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             &mut res <- b'/';
[INFO] [stdout]    |                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 67 |             &mut res < - b'/';
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 &mut res <- *c;
[INFO] [stdout]    |                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 &mut res < - *c;
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/loc.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |         line_to_pos.place_back() <- 0; // line 0 as position 0
[INFO] [stdout]     |                                  ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         line_to_pos.place_back() < - 0; // line 0 as position 0
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/loc.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 line_to_pos.place_back() <- (pos as u32) + 1;
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 line_to_pos.place_back() < - (pos as u32) + 1;
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `mut_from_ref`
[INFO] [stdout]   --> crates/util/src/late.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[allow(mut_from_ref)]
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/list.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |             arena <- ListHead {
[INFO] [stdout]    |                   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 17 |             arena < - ListHead {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/list.rs:119:31
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let new_last = self.arena <- ListNode {
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let new_last = self.arena < - ListNode {
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/list.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let head = self.arena <- ListHead {
[INFO] [stdout]     |                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let head = self.arena < - ListHead {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `expl_impl_clone_on_copy`
[INFO] [stdout]   --> crates/util/src/list.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[allow(expl_impl_clone_on_copy)] // False positive?
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `expl_impl_clone_on_copy`
[INFO] [stdout]   --> crates/util/src/up.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(expl_impl_clone_on_copy)] // If I derive(Copy) it doesn't seem to do anything.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/arena.rs:97:48
[INFO] [stdout]    |
[INFO] [stdout] 97 |         self.map_with_place(inputs, |x, place| place <- x)
[INFO] [stdout]    |                                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 97 |         self.map_with_place(inputs, |x, place| place < - x)
[INFO] [stdout]    |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/arena.rs:106:48
[INFO] [stdout]     |
[INFO] [stdout] 106 |         self.map_with_place(inputs, |x, place| place <- f(x))
[INFO] [stdout]     |                                                      ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 106 |         self.map_with_place(inputs, |x, place| place < - f(x))
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/arena.rs:161:11
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &mut b <- f();
[INFO] [stdout]     |                    ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 161 |             &mut b < - f();
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `mut_from_ref`
[INFO] [stdout]   --> crates/util/src/arena.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |     #[allow(mut_from_ref)]
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `mut_from_ref`
[INFO] [stdout]    --> crates/util/src/arena.rs:100:10
[INFO] [stdout]     |
[INFO] [stdout] 100 |     #[allow(mut_from_ref)]
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `needless_lifetimes`
[INFO] [stdout]    --> crates/util/src/arena.rs:110:10
[INFO] [stdout]     |
[INFO] [stdout] 110 |     #[allow(needless_lifetimes)] // False positive
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/dict.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.add(key) <- value;
[INFO] [stdout]    |                       ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.add(key) < - value;
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/dict.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |             d.add(k) <- f(v)
[INFO] [stdout]     |                      ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 104 |             d.add(k) < - f(v)
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/dict.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.0.add(value) <- ()
[INFO] [stdout]     |                           ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.0.add(value) < - ()
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/file_utils.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 res.add(child_path) <- do_read_file(child_full_path, options, arena)?;
[INFO] [stdout]    |                                     ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 res.add(child_path) < - do_read_file(child_full_path, options, arena)?;
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &mut res <- b'/';
[INFO] [stdout]    |                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 37 |             &mut res < - b'/';
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 &mut res <- *c;
[INFO] [stdout]    |                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 &mut res < - *c;
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             &mut res <- b'/';
[INFO] [stdout]    |                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 67 |             &mut res < - b'/';
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/path.rs:69:14
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 &mut res <- *c;
[INFO] [stdout]    |                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 &mut res < - *c;
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/loc.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |         line_to_pos.place_back() <- 0; // line 0 as position 0
[INFO] [stdout]     |                                  ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         line_to_pos.place_back() < - 0; // line 0 as position 0
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/loc.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 line_to_pos.place_back() <- (pos as u32) + 1;
[INFO] [stdout]     |                                          ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 line_to_pos.place_back() < - (pos as u32) + 1;
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `mut_from_ref`
[INFO] [stdout]   --> crates/util/src/late.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[allow(mut_from_ref)]
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]   --> crates/util/src/list.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |             arena <- ListHead {
[INFO] [stdout]    |                   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]    |
[INFO] [stdout] 17 |             arena < - ListHead {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/list.rs:119:31
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let new_last = self.arena <- ListNode {
[INFO] [stdout]     |                                           ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let new_last = self.arena < - ListNode {
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `<-`
[INFO] [stdout]    --> crates/util/src/list.rs:127:27
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let head = self.arena <- ListHead {
[INFO] [stdout]     |                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let head = self.arena < - ListHead {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `expl_impl_clone_on_copy`
[INFO] [stdout]   --> crates/util/src/list.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[allow(expl_impl_clone_on_copy)] // False positive?
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `expl_impl_clone_on_copy`
[INFO] [stdout]   --> crates/util/src/up.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(expl_impl_clone_on_copy)] // If I derive(Copy) it doesn't seem to do anything.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf_macros v0.7.21
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::InPlace`, `std::ops::Place`, `std::ops::Placer`
[INFO] [stdout]  --> crates/util/src/arena.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{InPlace, Place, Placer};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]   |                |        |
[INFO] [stdout]   |                |        no `Place` in `ops`
[INFO] [stdout]   |                no `InPlace` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::InPlace`, `std::ops::Place`, `std::ops::Placer`
[INFO] [stdout]  --> crates/util/src/late.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Deref, InPlace, Place, Placer};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]   |                       |        |
[INFO] [stdout]   |                       |        no `Place` in `ops`
[INFO] [stdout]   |                       no `InPlace` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::Placer`
[INFO] [stdout]  --> crates/util/src/list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Placer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Placer` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::InPlace`, `std::ops::Place`, `std::ops::Placer`
[INFO] [stdout]  --> crates/util/src/arena.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{InPlace, Place, Placer};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]   |                |        |
[INFO] [stdout]   |                |        no `Place` in `ops`
[INFO] [stdout]   |                no `InPlace` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::InPlace`, `std::ops::Place`, `std::ops::Placer`
[INFO] [stdout]  --> crates/util/src/late.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Deref, InPlace, Place, Placer};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]   |                       |        |
[INFO] [stdout]   |                       |        no `Place` in `ops`
[INFO] [stdout]   |                       no `InPlace` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::Placer`
[INFO] [stdout]  --> crates/util/src/list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Placer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `Placer` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stdout] error: aborting due to 19 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/phf_macros-0.7.21/src/lib.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(plugin_registrar, quote, rustc_private)]
[INFO] [stdout]    |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 19 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `util`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/phf_macros-0.7.21/src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "07de11860310e039290d731eb7406f7cc339e50cbb11d4136a34e7527566a31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07de11860310e039290d731eb7406f7cc339e50cbb11d4136a34e7527566a31e", kill_on_drop: false }`
[INFO] [stdout] 07de11860310e039290d731eb7406f7cc339e50cbb11d4136a34e7527566a31e