[INFO] fetching crate optra 0.2.1... [INFO] checking optra-0.2.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] extracting crate optra 0.2.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate optra 0.2.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate optra 0.2.1 [INFO] finished tweaking crates.io crate optra 0.2.1 [INFO] tweaked toml for crates.io crate optra 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 31 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding byteorder v0.5.3 (latest: v1.5.0) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.36) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.3.5 [INFO] [stderr] Downloaded byteorder v0.5.3 [INFO] [stderr] Downloaded rdiff v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24c186e6a0e2e408ed0087d7f24337a4c5ef9a8ef5b730ccf3cbb912ccb4672e [INFO] running `Command { std: "docker" "start" "-a" "24c186e6a0e2e408ed0087d7f24337a4c5ef9a8ef5b730ccf3cbb912ccb4672e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24c186e6a0e2e408ed0087d7f24337a4c5ef9a8ef5b730ccf3cbb912ccb4672e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24c186e6a0e2e408ed0087d7f24337a4c5ef9a8ef5b730ccf3cbb912ccb4672e", kill_on_drop: false }` [INFO] [stdout] 24c186e6a0e2e408ed0087d7f24337a4c5ef9a8ef5b730ccf3cbb912ccb4672e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b6345a409097053974b2a1932519a1ee771cfd76bd8851aed6ee010baf2cad8 [INFO] running `Command { std: "docker" "start" "-a" "5b6345a409097053974b2a1932519a1ee771cfd76bd8851aed6ee010baf2cad8", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking rdiff v0.1.2 [INFO] [stderr] Checking optra v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0635]: unknown feature `linked_list_extras` [INFO] [stdout] --> src/lib.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | #![feature(linked_list_extras)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `linked_list_extras` [INFO] [stdout] --> src/lib.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | #![feature(linked_list_extras)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:334:39 [INFO] [stdout] | [INFO] [stdout] 334 | incoming_iter.insert_next(mem::replace(&mut saved_op, None).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, O1>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:343:39 [INFO] [stdout] | [INFO] [stdout] 343 | incoming_iter.insert_next(mem::replace(&mut saved_op, Some(new_op)).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, O1>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:421:39 [INFO] [stdout] | [INFO] [stdout] 421 | incoming_iter.insert_next(mem::replace(&mut saved_op, None).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, DeleteOperation>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:430:39 [INFO] [stdout] | [INFO] [stdout] 430 | incoming_iter.insert_next(mem::replace(&mut saved_op, Some(new_op)).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, DeleteOperation>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `peek_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:466:44 [INFO] [stdout] | [INFO] [stdout] 466 | while something_less(seq1_iter.peek_next(), &elem2, offset) { [INFO] [stdout] | ^^^^^^^^^ method not found in `IterMut<'_, O>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `&O: OperationInternal` is not satisfied [INFO] [stdout] --> src/engine.rs:466:19 [INFO] [stdout] | [INFO] [stdout] 466 | while something_less(seq1_iter.peek_next(), &elem2, offset) { [INFO] [stdout] | ^^^^^^^^^^^^^^ the trait `OperationInternal` is not implemented for `&O` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `something_less` [INFO] [stdout] --> src/engine.rs:445:30 [INFO] [stdout] | [INFO] [stdout] 445 | fn something_less(mut a: Option<&mut O>, b: &O, offset: Offset) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `something_less` [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 466 | while &something_less(seq1_iter.peek_next(), &elem2, offset) { [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:470:23 [INFO] [stdout] | [INFO] [stdout] 470 | seq1_iter.insert_next(elem2.clone()); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, O>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `peek_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:472:25 [INFO] [stdout] | [INFO] [stdout] 472 | while seq1_iter.peek_next().is_some() { [INFO] [stdout] | ^^^^^^^^^ method not found in `IterMut<'_, O>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:334:39 [INFO] [stdout] | [INFO] [stdout] 334 | incoming_iter.insert_next(mem::replace(&mut saved_op, None).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, O1>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:343:39 [INFO] [stdout] | [INFO] [stdout] 343 | incoming_iter.insert_next(mem::replace(&mut saved_op, Some(new_op)).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, O1>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:421:39 [INFO] [stdout] | [INFO] [stdout] 421 | incoming_iter.insert_next(mem::replace(&mut saved_op, None).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, DeleteOperation>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:430:39 [INFO] [stdout] | [INFO] [stdout] 430 | incoming_iter.insert_next(mem::replace(&mut saved_op, Some(new_op)).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, DeleteOperation>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `peek_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:466:44 [INFO] [stdout] | [INFO] [stdout] 466 | while something_less(seq1_iter.peek_next(), &elem2, offset) { [INFO] [stdout] | ^^^^^^^^^ method not found in `IterMut<'_, O>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `&O: OperationInternal` is not satisfied [INFO] [stdout] --> src/engine.rs:466:19 [INFO] [stdout] | [INFO] [stdout] 466 | while something_less(seq1_iter.peek_next(), &elem2, offset) { [INFO] [stdout] | ^^^^^^^^^^^^^^ the trait `OperationInternal` is not implemented for `&O` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `something_less` [INFO] [stdout] --> src/engine.rs:445:30 [INFO] [stdout] | [INFO] [stdout] 445 | fn something_less(mut a: Option<&mut O>, b: &O, offset: Offset) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `something_less` [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 466 | while &something_less(seq1_iter.peek_next(), &elem2, offset) { [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `insert_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:470:23 [INFO] [stdout] | [INFO] [stdout] 470 | seq1_iter.insert_next(elem2.clone()); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `IterMut<'_, O>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `peek_next` found for struct `std::collections::linked_list::IterMut` in the current scope [INFO] [stdout] --> src/engine.rs:472:25 [INFO] [stdout] | [INFO] [stdout] 472 | while seq1_iter.peek_next().is_some() { [INFO] [stdout] | ^^^^^^^^^ method not found in `IterMut<'_, O>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `optra` (lib) due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 9 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `optra` (lib test) due to 10 previous errors [INFO] running `Command { std: "docker" "inspect" "5b6345a409097053974b2a1932519a1ee771cfd76bd8851aed6ee010baf2cad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b6345a409097053974b2a1932519a1ee771cfd76bd8851aed6ee010baf2cad8", kill_on_drop: false }` [INFO] [stdout] 5b6345a409097053974b2a1932519a1ee771cfd76bd8851aed6ee010baf2cad8