[INFO] fetching crate bmx 0.0.2...
[INFO] checking bmx-0.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bmx 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate bmx 0.0.2
[INFO] finished tweaking crates.io crate bmx 0.0.2
[INFO] tweaked toml for crates.io crate bmx 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bmx 0.0.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d1ab359881cd05b489ab7fdd156a9042aaedee0fd0c4583d76417ba7f0295f
[INFO] running `Command { std: "docker" "start" "-a" "57d1ab359881cd05b489ab7fdd156a9042aaedee0fd0c4583d76417ba7f0295f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d1ab359881cd05b489ab7fdd156a9042aaedee0fd0c4583d76417ba7f0295f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d1ab359881cd05b489ab7fdd156a9042aaedee0fd0c4583d76417ba7f0295f", kill_on_drop: false }`
[INFO] [stdout] 57d1ab359881cd05b489ab7fdd156a9042aaedee0fd0c4583d76417ba7f0295f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640740d9fc064e6df7937f908463fa6b4b8e38116da14191fa976812d6800c32
[INFO] running `Command { std: "docker" "start" "-a" "640740d9fc064e6df7937f908463fa6b4b8e38116da14191fa976812d6800c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexpr-macros v0.2.2
[INFO] [stderr]     Checking lexpr v0.2.7
[INFO] [stderr]     Checking bmx v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `root_id` and `branch_ids` are never read
[INFO] [stdout]    --> src/forest.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     NoSuchBranch {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 103 |         root_name: Ident,
[INFO] [stdout] 104 |         root_id: NodeId,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 105 |         branch_ids: Vec<usize>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tree` is never read
[INFO] [stdout]    --> src/exec.rs:732:5
[INFO] [stdout]     |
[INFO] [stdout] 731 | pub struct BranchIter<'a> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 732 |     tree: &'a Tree,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> src/exec.rs:858:5
[INFO] [stdout]     |
[INFO] [stdout] 856 | pub struct PreparedRoot {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 857 |     root_id: ExecNodeId,
[INFO] [stdout] 858 |     roots: HashMap<NodeId, ExecNodeId>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PreparedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:220:88
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn display<'a>(&'a self, forest: &'a Forest, tree: &'a exec::Tree) -> ValueDisplay<'_> {
[INFO] [stdout]     |                     --                --                -- the lifetime is named here  ^^ the same lifetime is elided here
[INFO] [stdout]     |                     |                 |
[INFO] [stdout]     |                     |                 the lifetime is named here
[INFO] [stdout]     |                     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     fn display<'a>(&'a self, forest: &'a Forest, tree: &'a exec::Tree) -> ValueDisplay<'_> {
[INFO] [stdout] 220 +     fn display<'a>(&'a self, forest: &'a Forest, tree: &'a exec::Tree) -> ValueDisplay<'a> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/data.rs:23:53
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 24 | |         Ok(Ident(s.into()))
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/data.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Ok(Ident(s.into()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<data::Path, Infallible>
[INFO] [stdout]   --> src/data.rs:82:53
[INFO] [stdout]    |
[INFO] [stdout] 82 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 83 | |         // FIXME: limit identifiers
[INFO] [stdout] 84 | |         Ok(Path(s.split('.').map(|s| s.parse().unwrap()).collect()))
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<data::Path, Infallible>
[INFO] [stdout]   --> src/data.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         Ok(Path(s.split('.').map(|s| s.parse().unwrap()).collect()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/data.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |         Ok(Path(s.split('.').map(|s| s.parse().unwrap()).collect()))
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/syn.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     name.parse().unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:319:15
[INFO] [stdout]     |
[INFO] [stdout] 319 |         name: name.parse().expect("ident parsing cannot fail ATM"),
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:450:15
[INFO] [stdout]     |
[INFO] [stdout] 450 |         name: name.parse().expect("identifiers cannot fail to parse ATM"),
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:698:8
[INFO] [stdout]     |
[INFO] [stdout] 698 |     Ok(name.parse().expect("identifiers cannot fail to parse ATM"))
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:703:8
[INFO] [stdout]     |
[INFO] [stdout] 703 |       Ok(symbol
[INFO] [stdout]     |  ________^
[INFO] [stdout] 704 | |         .parse()
[INFO] [stdout]     | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:733:17
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 name.parse().expect("identifiers cannot fail to parse ATM"),
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<data::Path, Infallible>
[INFO] [stdout]    --> src/syn.rs:744:28
[INFO] [stdout]     |
[INFO] [stdout] 744 |         Symbol(name) => Ok(name.parse().expect("paths cannot fail to parse ATM")),
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<lexpr::Value, Infallible>
[INFO] [stdout]    --> src/syn.rs:794:21
[INFO] [stdout]     |
[INFO] [stdout] 794 |               let n = n
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 795 | |                 .as_u64()
[INFO] [stdout] 796 | |                 .ok_or_else(|| expected_error("array size", arg))?
[INFO] [stdout] 797 | |                 .try_into()
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:855:21
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     name.parse().expect("identifiers are always parsable ATM"),
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:884:29
[INFO] [stdout]     |
[INFO] [stdout] 884 | ...                   name.parse().expect("identifiers are always parsable ATM"),
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bmx` (lib test) due to 15 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `root_id` and `branch_ids` are never read
[INFO] [stdout]    --> src/forest.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     NoSuchBranch {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 103 |         root_name: Ident,
[INFO] [stdout] 104 |         root_id: NodeId,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 105 |         branch_ids: Vec<usize>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InnerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tree` is never read
[INFO] [stdout]    --> src/exec.rs:732:5
[INFO] [stdout]     |
[INFO] [stdout] 731 | pub struct BranchIter<'a> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 732 |     tree: &'a Tree,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BranchIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bmx` (lib) due to 15 previous errors; 4 warnings emitted
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> src/exec.rs:858:5
[INFO] [stdout]     |
[INFO] [stdout] 856 | pub struct PreparedRoot {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 857 |     root_id: ExecNodeId,
[INFO] [stdout] 858 |     roots: HashMap<NodeId, ExecNodeId>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PreparedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:220:88
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn display<'a>(&'a self, forest: &'a Forest, tree: &'a exec::Tree) -> ValueDisplay<'_> {
[INFO] [stdout]     |                     --                --                -- the lifetime is named here  ^^ the same lifetime is elided here
[INFO] [stdout]     |                     |                 |
[INFO] [stdout]     |                     |                 the lifetime is named here
[INFO] [stdout]     |                     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     fn display<'a>(&'a self, forest: &'a Forest, tree: &'a exec::Tree) -> ValueDisplay<'_> {
[INFO] [stdout] 220 +     fn display<'a>(&'a self, forest: &'a Forest, tree: &'a exec::Tree) -> ValueDisplay<'a> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/data.rs:23:53
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 24 | |         Ok(Ident(s.into()))
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/data.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Ok(Ident(s.into()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<data::Path, Infallible>
[INFO] [stdout]   --> src/data.rs:82:53
[INFO] [stdout]    |
[INFO] [stdout] 82 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 83 | |         // FIXME: limit identifiers
[INFO] [stdout] 84 | |         Ok(Path(s.split('.').map(|s| s.parse().unwrap()).collect()))
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<data::Path, Infallible>
[INFO] [stdout]   --> src/data.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         Ok(Path(s.split('.').map(|s| s.parse().unwrap()).collect()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/data.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |         Ok(Path(s.split('.').map(|s| s.parse().unwrap()).collect()))
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]   --> src/syn.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     name.parse().unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:319:15
[INFO] [stdout]     |
[INFO] [stdout] 319 |         name: name.parse().expect("ident parsing cannot fail ATM"),
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:450:15
[INFO] [stdout]     |
[INFO] [stdout] 450 |         name: name.parse().expect("identifiers cannot fail to parse ATM"),
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:698:8
[INFO] [stdout]     |
[INFO] [stdout] 698 |     Ok(name.parse().expect("identifiers cannot fail to parse ATM"))
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:703:8
[INFO] [stdout]     |
[INFO] [stdout] 703 |       Ok(symbol
[INFO] [stdout]     |  ________^
[INFO] [stdout] 704 | |         .parse()
[INFO] [stdout]     | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:733:17
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 name.parse().expect("identifiers cannot fail to parse ATM"),
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<data::Path, Infallible>
[INFO] [stdout]    --> src/syn.rs:744:28
[INFO] [stdout]     |
[INFO] [stdout] 744 |         Symbol(name) => Ok(name.parse().expect("paths cannot fail to parse ATM")),
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<lexpr::Value, Infallible>
[INFO] [stdout]    --> src/syn.rs:794:21
[INFO] [stdout]     |
[INFO] [stdout] 794 |               let n = n
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 795 | |                 .as_u64()
[INFO] [stdout] 796 | |                 .ok_or_else(|| expected_error("array size", arg))?
[INFO] [stdout] 797 | |                 .try_into()
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:855:21
[INFO] [stdout]     |
[INFO] [stdout] 855 |                     name.parse().expect("identifiers are always parsable ATM"),
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ident, Infallible>
[INFO] [stdout]    --> src/syn.rs:884:29
[INFO] [stdout]     |
[INFO] [stdout] 884 | ...                   name.parse().expect("identifiers are always parsable ATM"),
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "640740d9fc064e6df7937f908463fa6b4b8e38116da14191fa976812d6800c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640740d9fc064e6df7937f908463fa6b4b8e38116da14191fa976812d6800c32", kill_on_drop: false }`
[INFO] [stdout] 640740d9fc064e6df7937f908463fa6b4b8e38116da14191fa976812d6800c32