[INFO] cloning repository https://github.com/ManShanko/srpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ManShanko/srpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManShanko%2Fsrpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManShanko%2Fsrpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b3a39818743df9b59662ffa0e554aeba4d4a6ec
[INFO] checking ManShanko/srpack against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManShanko%2Fsrpack" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ManShanko/srpack on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ManShanko/srpack
[INFO] finished tweaking git repo https://github.com/ManShanko/srpack
[INFO] tweaked toml for git repo https://github.com/ManShanko/srpack written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ManShanko/srpack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3936d29b552cd118f90d2e8b6e91704c59b52d516605ca8e85a70313459da5c
[INFO] running `Command { std: "docker" "start" "-a" "f3936d29b552cd118f90d2e8b6e91704c59b52d516605ca8e85a70313459da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3936d29b552cd118f90d2e8b6e91704c59b52d516605ca8e85a70313459da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3936d29b552cd118f90d2e8b6e91704c59b52d516605ca8e85a70313459da5c", kill_on_drop: false }`
[INFO] [stdout] f3936d29b552cd118f90d2e8b6e91704c59b52d516605ca8e85a70313459da5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a7bad67a9da0f2fa5b6bc12102f3d8bf94fe9d59e29b0a3771f74ddc88b3854
[INFO] running `Command { std: "docker" "start" "-a" "7a7bad67a9da0f2fa5b6bc12102f3d8bf94fe9d59e29b0a3771f74ddc88b3854", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking srpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:162:24
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     if let Some(dict) = &dictionary
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |                         && let Some(name) = dict.get(&MurmurHash64::from_u64(*name_hash))
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     if let Ok(entry) = entry
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:179:28
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         && let Ok(meta) = entry.metadata()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         && let path = entry.path()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 |                         && let Some(stem) = path.file_stem()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |                         && let Some(stem) = stem.to_str()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:208:36
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   if let Some(dict) = &dictionary
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:209:40
[INFO] [stdout]     |
[INFO] [stdout] 209 | ...                   && let Some(name) = dict.get(&MurmurHash64::from_u64(*name_hash))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     if let Some(a) = a
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |         && let Some(b) = b
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     if let Some(w0) = iter.next()
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |         && let Some(w1) = iter.next()
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:582:12
[INFO] [stdout]     |
[INFO] [stdout] 582 |         if let Some(&(_, _, offset, num_params)) = self.switches.get(i)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:583:16
[INFO] [stdout]     |
[INFO] [stdout] 583 |             && let Some(slot) = self.switches_params[offset..offset + num_params].iter_mut().find(|v| v.is_none())
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:602:12
[INFO] [stdout]     |
[INFO] [stdout] 602 |         if let Ok(i) = self.switches.binary_search_by(|probe| probe.0.cmp(&Some(switch)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:603:16
[INFO] [stdout]     |
[INFO] [stdout] 603 |             && let Some(&(_, active_index, _, _)) = self.switches.get(i)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:609:16
[INFO] [stdout]     |
[INFO] [stdout] 609 |             && let Some(&active) = self.switches_active.get(active_index)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:622:12
[INFO] [stdout]     |
[INFO] [stdout] 622 |         if let Ok(i) = self.switches.binary_search_by(|probe| probe.0.cmp(&Some(switch)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:623:16
[INFO] [stdout]     |
[INFO] [stdout] 623 |             && let Some(&(_, active_index, offset, num_params)) = self.switches.get(i)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:624:16
[INFO] [stdout]     |
[INFO] [stdout] 624 |             && let Some(true) = self.switches_active.get(active_index)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 683 |         if let Some(cmd) = cmds.get(0)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |         if let Some(base) = next_cmd
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:770:16
[INFO] [stdout]     |
[INFO] [stdout] 770 |             if let Some(ref arg) = next_arg
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:782:28
[INFO] [stdout]     |
[INFO] [stdout] 782 |                         if let Some(arg) = args.next()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:783:32
[INFO] [stdout]     |
[INFO] [stdout] 783 | ...                   && let Some(arg) = arg.to_str()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:784:32
[INFO] [stdout]     |
[INFO] [stdout] 784 | ...                   && let Ok(i) = cmds.binary_search_by(|probe| probe.0.cmp(&Some(arg)))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:785:32
[INFO] [stdout]     |
[INFO] [stdout] 785 | ...                   && let Some((Some(_), cmd)) = cmds.get(i)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:808:35
[INFO] [stdout]     |
[INFO] [stdout] 808 | ...                   while let Some(cmd) = iter.next()
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:809:36
[INFO] [stdout]     |
[INFO] [stdout] 809 | ...                   && let Some(cmd) = cmd.0
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:897:23
[INFO] [stdout]     |
[INFO] [stdout] 897 |             } else if let Some(i) = current_switch
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/mod.rs:323:20
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 && let Some(ref mut removed) = removed_files
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:183:20
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 if let Some(stem) = path.file_stem()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     && let Some(stem) = stem.to_str()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     && let Some(ext) = path.extension()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:187:24
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     && let Some(ext) = ext.to_str()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:162:24
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     if let Some(dict) = &dictionary
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |                         && let Some(name) = dict.get(&MurmurHash64::from_u64(*name_hash))
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     if let Ok(entry) = entry
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:179:28
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         && let Ok(meta) = entry.metadata()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:181:28
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         && let path = entry.path()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 |                         && let Some(stem) = path.file_stem()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |                         && let Some(stem) = stem.to_str()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:208:36
[INFO] [stdout]     |
[INFO] [stdout] 208 | ...                   if let Some(dict) = &dictionary
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/main.rs:209:40
[INFO] [stdout]     |
[INFO] [stdout] 209 | ...                   && let Some(name) = dict.get(&MurmurHash64::from_u64(*name_hash))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     if let Some(a) = a
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |         && let Some(b) = b
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     if let Some(w0) = iter.next()
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:248:12
[INFO] [stdout]     |
[INFO] [stdout] 248 |         && let Some(w1) = iter.next()
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:582:12
[INFO] [stdout]     |
[INFO] [stdout] 582 |         if let Some(&(_, _, offset, num_params)) = self.switches.get(i)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:583:16
[INFO] [stdout]     |
[INFO] [stdout] 583 |             && let Some(slot) = self.switches_params[offset..offset + num_params].iter_mut().find(|v| v.is_none())
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:602:12
[INFO] [stdout]     |
[INFO] [stdout] 602 |         if let Ok(i) = self.switches.binary_search_by(|probe| probe.0.cmp(&Some(switch)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:603:16
[INFO] [stdout]     |
[INFO] [stdout] 603 |             && let Some(&(_, active_index, _, _)) = self.switches.get(i)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:609:16
[INFO] [stdout]     |
[INFO] [stdout] 609 |             && let Some(&active) = self.switches_active.get(active_index)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:622:12
[INFO] [stdout]     |
[INFO] [stdout] 622 |         if let Ok(i) = self.switches.binary_search_by(|probe| probe.0.cmp(&Some(switch)))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:623:16
[INFO] [stdout]     |
[INFO] [stdout] 623 |             && let Some(&(_, active_index, offset, num_params)) = self.switches.get(i)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:624:16
[INFO] [stdout]     |
[INFO] [stdout] 624 |             && let Some(true) = self.switches_active.get(active_index)
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:683:12
[INFO] [stdout]     |
[INFO] [stdout] 683 |         if let Some(cmd) = cmds.get(0)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:711:12
[INFO] [stdout]     |
[INFO] [stdout] 711 |         if let Some(base) = next_cmd
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:770:16
[INFO] [stdout]     |
[INFO] [stdout] 770 |             if let Some(ref arg) = next_arg
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:782:28
[INFO] [stdout]     |
[INFO] [stdout] 782 |                         if let Some(arg) = args.next()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:783:32
[INFO] [stdout]     |
[INFO] [stdout] 783 | ...                   && let Some(arg) = arg.to_str()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:784:32
[INFO] [stdout]     |
[INFO] [stdout] 784 | ...                   && let Ok(i) = cmds.binary_search_by(|probe| probe.0.cmp(&Some(arg)))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:785:32
[INFO] [stdout]     |
[INFO] [stdout] 785 | ...                   && let Some((Some(_), cmd)) = cmds.get(i)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:808:35
[INFO] [stdout]     |
[INFO] [stdout] 808 | ...                   while let Some(cmd) = iter.next()
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:809:36
[INFO] [stdout]     |
[INFO] [stdout] 809 | ...                   && let Some(cmd) = cmd.0
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/cli.rs:897:23
[INFO] [stdout]     |
[INFO] [stdout] 897 |             } else if let Some(i) = current_switch
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/mod.rs:323:20
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 && let Some(ref mut removed) = removed_files
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:183:20
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 if let Some(stem) = path.file_stem()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     && let Some(stem) = stem.to_str()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     && let Some(ext) = path.extension()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> src/bundle/pack.rs:187:24
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     && let Some(ext) = ext.to_str()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]     = help: add `#![feature(let_chains)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/cli.rs:924:13
[INFO] [stdout]     |
[INFO] [stdout] 924 |             (None, 0, 0),
[INFO] [stdout]     |             ^^^^^^^^^^^^ expected a tuple with 4 elements, found one with 3 elements
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected tuple `(Option<&'static str>, usize, usize, usize)`
[INFO] [stdout]                found tuple `(Option<&'static str>, usize, usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/cli.rs:923:67
[INFO] [stdout]     |
[INFO] [stdout] 923 |           const SORTED: [(Option<&'static str>, usize, usize); 7] = insertion_sort_switch([
[INFO] [stdout]     |  ___________________________________________________________________^
[INFO] [stdout] 924 | |             (None, 0, 0),
[INFO] [stdout] 925 | |             (Some("d"), 0, 0),
[INFO] [stdout] 926 | |             (Some("e"), 0, 0),
[INFO] [stdout] ...   |
[INFO] [stdout] 930 | |             (Some("a"), 0, 0),
[INFO] [stdout] 931 | |         ]);
[INFO] [stdout]     | |__________^ expected a tuple with 3 elements, found one with 4 elements
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected array `[(Option<&'static str>, usize, usize); 7]`
[INFO] [stdout]                found array `[(Option<&'static str>, usize, usize, usize); 7]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]    --> src/cli.rs:941:47
[INFO] [stdout]     |
[INFO] [stdout] 941 |         const TEST: CommandBuilder = command![Switch::new("test", 0),];
[INFO] [stdout]     |                                               ^^^^^^^^^^^       ---
[INFO] [stdout]     |                                                                 | |
[INFO] [stdout]     |                                                                 | unexpected argument of type `{integer}`
[INFO] [stdout]     |                                                                 help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/cli.rs:283:18
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub const fn new(long: &'static str) -> Switch {
[INFO] [stdout]     |                  ^^^ ------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 36 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srpack` (bin "srpack") due to 37 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 39 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srpack` (bin "srpack" test) due to 40 previous errors
[INFO] running `Command { std: "docker" "inspect" "7a7bad67a9da0f2fa5b6bc12102f3d8bf94fe9d59e29b0a3771f74ddc88b3854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7bad67a9da0f2fa5b6bc12102f3d8bf94fe9d59e29b0a3771f74ddc88b3854", kill_on_drop: false }`
[INFO] [stdout] 7a7bad67a9da0f2fa5b6bc12102f3d8bf94fe9d59e29b0a3771f74ddc88b3854
