[INFO] fetching crate teardown_tree___treap 0.0.2... [INFO] testing teardown_tree___treap-0.0.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate teardown_tree___treap 0.0.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate teardown_tree___treap 0.0.2 [INFO] finished tweaking crates.io crate teardown_tree___treap 0.0.2 [INFO] tweaked toml for crates.io crate teardown_tree___treap 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate teardown_tree___treap 0.0.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c84da8727242fce95ef4ebbf3089d8a88842d8e06eb7c222db34180ea0e4af95 [INFO] running `Command { std: "docker" "start" "-a" "c84da8727242fce95ef4ebbf3089d8a88842d8e06eb7c222db34180ea0e4af95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c84da8727242fce95ef4ebbf3089d8a88842d8e06eb7c222db34180ea0e4af95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c84da8727242fce95ef4ebbf3089d8a88842d8e06eb7c222db34180ea0e4af95", kill_on_drop: false }` [INFO] [stdout] c84da8727242fce95ef4ebbf3089d8a88842d8e06eb7c222db34180ea0e4af95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2e97fba909ec8c969dc2876c10708c20ecdea2271da1b7d338796f6c15ae2ec [INFO] running `Command { std: "docker" "start" "-a" "b2e97fba909ec8c969dc2876c10708c20ecdea2271da1b7d338796f6c15ae2ec", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling teardown_tree___treap v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate `teardown_tree___treap` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `teardown_tree_treap` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | mem::replace(subtree, Some(Box::new(new))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = mem::replace(subtree, Some(Box::new(new))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | mem::replace(&mut self.right, Some(node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 160 | let _ = mem::replace(&mut self.right, Some(node)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | mem::replace(&mut self.left, Some(node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 178 | let _ = mem::replace(&mut self.left, Some(node)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/map.rs:192:25 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn iter_ordered(&self) -> OrderedIter { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 192 | pub fn iter_ordered(&self) -> OrderedIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "b2e97fba909ec8c969dc2876c10708c20ecdea2271da1b7d338796f6c15ae2ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2e97fba909ec8c969dc2876c10708c20ecdea2271da1b7d338796f6c15ae2ec", kill_on_drop: false }` [INFO] [stdout] b2e97fba909ec8c969dc2876c10708c20ecdea2271da1b7d338796f6c15ae2ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8378b8d4fe8873cedc1c6b6bb2a505dbd030df9854873946ebdd10bf2e1ece7 [INFO] running `Command { std: "docker" "start" "-a" "a8378b8d4fe8873cedc1c6b6bb2a505dbd030df9854873946ebdd10bf2e1ece7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: crate `teardown_tree___treap` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `teardown_tree_treap` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | mem::replace(subtree, Some(Box::new(new))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = mem::replace(subtree, Some(Box::new(new))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | mem::replace(&mut self.right, Some(node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 160 | let _ = mem::replace(&mut self.right, Some(node)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | mem::replace(&mut self.left, Some(node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 178 | let _ = mem::replace(&mut self.left, Some(node)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/map.rs:192:25 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn iter_ordered(&self) -> OrderedIter { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 192 | pub fn iter_ordered(&self) -> OrderedIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling teardown_tree___treap v0.0.2 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `teardown_tree___treap` (example "example1") due to 1 previous error [INFO] [stdout] error[E0463]: can't find crate for `treap` [INFO] [stdout] --> examples/example1.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate treap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | mem::replace(subtree, Some(Box::new(new))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 58 | let _ = mem::replace(subtree, Some(Box::new(new))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | mem::replace(&mut self.right, Some(node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 160 | let _ = mem::replace(&mut self.right, Some(node)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/node.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | mem::replace(&mut self.left, Some(node)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 178 | let _ = mem::replace(&mut self.left, Some(node)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/map.rs:192:25 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn iter_ordered(&self) -> OrderedIter { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 192 | pub fn iter_ordered(&self) -> OrderedIter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a8378b8d4fe8873cedc1c6b6bb2a505dbd030df9854873946ebdd10bf2e1ece7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8378b8d4fe8873cedc1c6b6bb2a505dbd030df9854873946ebdd10bf2e1ece7", kill_on_drop: false }` [INFO] [stdout] a8378b8d4fe8873cedc1c6b6bb2a505dbd030df9854873946ebdd10bf2e1ece7