[INFO] fetching crate keytree 0.2.4... [INFO] checking keytree-0.2.4 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] extracting crate keytree 0.2.4 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate keytree 0.2.4 [INFO] finished tweaking crates.io crate keytree 0.2.4 [INFO] tweaked toml for crates.io crate keytree 0.2.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate keytree 0.2.4 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4639e2b7c439e98d389ee0f29ce69cb9026ab6cf2e45145eec0ea2940365f013 [INFO] running `Command { std: "docker" "start" "-a" "4639e2b7c439e98d389ee0f29ce69cb9026ab6cf2e45145eec0ea2940365f013", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4639e2b7c439e98d389ee0f29ce69cb9026ab6cf2e45145eec0ea2940365f013", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4639e2b7c439e98d389ee0f29ce69cb9026ab6cf2e45145eec0ea2940365f013", kill_on_drop: false }` [INFO] [stdout] 4639e2b7c439e98d389ee0f29ce69cb9026ab6cf2e45145eec0ea2940365f013 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1a134058f8b40cc59a5a27e3e15f70ba10260308050fd5b99054c7fe7870453 [INFO] running `Command { std: "docker" "start" "-a" "f1a134058f8b40cc59a5a27e3e15f70ba10260308050fd5b99054c7fe7870453", kill_on_drop: false }` [INFO] [stderr] Checking keytree v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `start_key` is never used [INFO] [stdout] --> src/lib.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 164 | impl Token { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 165 | // Returns the index of the start character of the key in the data string. [INFO] [stdout] 166 | fn start_key(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lib.rs:374:8 [INFO] [stdout] | [INFO] [stdout] 366 | impl KeyMap { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 374 | fn get(&self, path: &UniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:419:15 [INFO] [stdout] | [INFO] [stdout] 419 | EmptyIter(NonUniquePath), [INFO] [stdout] | --------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Context` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 419 - EmptyIter(NonUniquePath), [INFO] [stdout] 419 + EmptyIter(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lib.rs:672:8 [INFO] [stdout] | [INFO] [stdout] 666 | impl KeyLen { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 672 | fn get(&self, path: &NonUniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ch_indent` is never read [INFO] [stdout] --> src/parser.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct BuildVars<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 109 | ch_indent: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BuildVars` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `new_line` is never used [INFO] [stdout] --> src/parser.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 129 | impl<'a> BuildVars<'a> { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 153 | fn new_line(&mut self, pos: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:630:13 [INFO] [stdout] | [INFO] [stdout] 630 | fn iter(&self, global_path: NonUniquePath) -> Context { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 630 | fn iter(&self, global_path: NonUniquePath) -> Context<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/path.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 520 | &self.s.hash(state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 520 | let _ = &self.s.hash(state); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `start_key` is never used [INFO] [stdout] --> src/lib.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 164 | impl Token { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 165 | // Returns the index of the start character of the key in the data string. [INFO] [stdout] 166 | fn start_key(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lib.rs:374:8 [INFO] [stdout] | [INFO] [stdout] 366 | impl KeyMap { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 374 | fn get(&self, path: &UniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:419:15 [INFO] [stdout] | [INFO] [stdout] 419 | EmptyIter(NonUniquePath), [INFO] [stdout] | --------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Context` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 419 - EmptyIter(NonUniquePath), [INFO] [stdout] 419 + EmptyIter(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> src/lib.rs:672:8 [INFO] [stdout] | [INFO] [stdout] 666 | impl KeyLen { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 672 | fn get(&self, path: &NonUniquePath) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ch_indent` is never read [INFO] [stdout] --> src/parser.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct BuildVars<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 109 | ch_indent: Option, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BuildVars` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `new_line` is never used [INFO] [stdout] --> src/parser.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 129 | impl<'a> BuildVars<'a> { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 153 | fn new_line(&mut self, pos: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:630:13 [INFO] [stdout] | [INFO] [stdout] 630 | fn iter(&self, global_path: NonUniquePath) -> Context { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 630 | fn iter(&self, global_path: NonUniquePath) -> Context<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/path.rs:520:9 [INFO] [stdout] | [INFO] [stdout] 520 | &self.s.hash(state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 520 | let _ = &self.s.hash(state); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "f1a134058f8b40cc59a5a27e3e15f70ba10260308050fd5b99054c7fe7870453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a134058f8b40cc59a5a27e3e15f70ba10260308050fd5b99054c7fe7870453", kill_on_drop: false }` [INFO] [stdout] f1a134058f8b40cc59a5a27e3e15f70ba10260308050fd5b99054c7fe7870453