[INFO] fetching crate vertree 0.2.2... [INFO] checking vertree-0.2.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate vertree 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate vertree 0.2.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vertree 0.2.2 [INFO] finished tweaking crates.io crate vertree 0.2.2 [INFO] tweaked toml for crates.io crate vertree 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding env_logger v0.3.5 (latest: v0.11.3) [INFO] [stderr] Adding error-chain v0.10.0 (latest: v0.12.4) [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 object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding quickcheck v0.4.1 (latest: v1.0.3) [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 rmp-serde v0.13.7 (latest: v1.1.2) [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 utf8-ranges v0.1.3 (latest: v1.0.5) [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] adf1505c7abb39d658fc49b48a2c673ae363da61894e8eaf47f4da0ad0e6722c [INFO] running `Command { std: "docker" "start" "-a" "adf1505c7abb39d658fc49b48a2c673ae363da61894e8eaf47f4da0ad0e6722c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adf1505c7abb39d658fc49b48a2c673ae363da61894e8eaf47f4da0ad0e6722c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adf1505c7abb39d658fc49b48a2c673ae363da61894e8eaf47f4da0ad0e6722c", kill_on_drop: false }` [INFO] [stdout] adf1505c7abb39d658fc49b48a2c673ae363da61894e8eaf47f4da0ad0e6722c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c205c3142d1c2a5c2163541980b4306d0cd5a6d711d5c8470a08c51b0faa660 [INFO] running `Command { std: "docker" "start" "-a" "3c205c3142d1c2a5c2163541980b4306d0cd5a6d711d5c8470a08c51b0faa660", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking miniz_oxide v0.7.2 [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] Checking regex v0.1.80 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking rmp v0.8.12 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking rmp-serde v0.13.7 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking vertree v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rmp_serde` is imported redundantly [INFO] [stdout] --> src/errors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rmp_serde; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate rmp_serde; [INFO] [stdout] | ----------------------- the item `rmp_serde` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rmp_serde` is imported redundantly [INFO] [stdout] --> src/errors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rmp_serde; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate rmp_serde; [INFO] [stdout] | ----------------------- the item `rmp_serde` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/snapshot.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | /// Create a random tree, take a snapshot, and ensure reading it back in gives the same tree [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/cas.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | / /// Generate a bunch of write operations. Run them one at a time and filter out failing [INFO] [stdout] 56 | | /// operations. Then run the whole set as a multi-cas. Ensure the output is the same between the [INFO] [stdout] 57 | | /// ops run in the multicas and one at a time. [INFO] [stdout] | |_____---------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Tree` is imported redundantly [INFO] [stdout] --> src/iterators.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 260 | use super::*; [INFO] [stdout] | -------- the item `Tree` is already imported here [INFO] [stdout] 261 | use tree::Tree; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / error_chain! { [INFO] [stdout] 5 | | foreign_links { [INFO] [stdout] 6 | | Io(::std::io::Error) #[cfg(unix)]; [INFO] [stdout] 7 | | MsgPackEncodeError(rmp_serde::encode::Error); [INFO] [stdout] ... | [INFO] [stdout] 45 | | } [INFO] [stdout] 46 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / error_chain! { [INFO] [stdout] 5 | | foreign_links { [INFO] [stdout] 6 | | Io(::std::io::Error) #[cfg(unix)]; [INFO] [stdout] 7 | | MsgPackEncodeError(rmp_serde::encode::Error); [INFO] [stdout] ... | [INFO] [stdout] 45 | | } [INFO] [stdout] 46 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / error_chain! { [INFO] [stdout] 5 | | foreign_links { [INFO] [stdout] 6 | | Io(::std::io::Error) #[cfg(unix)]; [INFO] [stdout] 7 | | MsgPackEncodeError(rmp_serde::encode::Error); [INFO] [stdout] ... | [INFO] [stdout] 45 | | } [INFO] [stdout] 46 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right_matches`: superseded by `trim_end_matches` [INFO] [stdout] --> src/tree.rs:143:23 [INFO] [stdout] | [INFO] [stdout] 143 | let dir = dir.trim_right_matches('/'); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 143 | let dir = dir.trim_end_matches('/'); [INFO] [stdout] | ~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / error_chain! { [INFO] [stdout] 5 | | foreign_links { [INFO] [stdout] 6 | | Io(::std::io::Error) #[cfg(unix)]; [INFO] [stdout] 7 | | MsgPackEncodeError(rmp_serde::encode::Error); [INFO] [stdout] ... | [INFO] [stdout] 45 | | } [INFO] [stdout] 46 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right_matches`: superseded by `trim_end_matches` [INFO] [stdout] --> src/tree.rs:143:23 [INFO] [stdout] | [INFO] [stdout] 143 | let dir = dir.trim_right_matches('/'); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 143 | let dir = dir.trim_end_matches('/'); [INFO] [stdout] | ~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::str::::trim_right_matches`: superseded by `trim_end_matches` [INFO] [stdout] --> src/iterators.rs:352:55 [INFO] [stdout] | [INFO] [stdout] 352 | let paths: Vec<&str> = paths.iter().map(|p| p.trim_right_matches('/')).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated method [INFO] [stdout] | [INFO] [stdout] 352 | let paths: Vec<&str> = paths.iter().map(|p| p.trim_end_matches('/')).collect(); [INFO] [stdout] | ~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:268:14 [INFO] [stdout] | [INFO] [stdout] 268 | let (mut queue, version, tree) = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:282:14 [INFO] [stdout] | [INFO] [stdout] 282 | let (mut queue, version, tree) = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:295:14 [INFO] [stdout] | [INFO] [stdout] 295 | let (mut set, version, tree) = { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:308:14 [INFO] [stdout] | [INFO] [stdout] 308 | let (mut set, version, tree) = { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 322 | let mut queue = node.content.get_queue_mut().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:328:13 [INFO] [stdout] | [INFO] [stdout] 328 | let mut queue = node.content.get_set_mut().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:628:29 [INFO] [stdout] | [INFO] [stdout] 628 | let mut edge = edges.get_unchecked_mut(index); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:268:14 [INFO] [stdout] | [INFO] [stdout] 268 | let (mut queue, version, tree) = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:282:14 [INFO] [stdout] | [INFO] [stdout] 282 | let (mut queue, version, tree) = { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:295:14 [INFO] [stdout] | [INFO] [stdout] 295 | let (mut set, version, tree) = { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:308:14 [INFO] [stdout] | [INFO] [stdout] 308 | let (mut set, version, tree) = { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 322 | let mut queue = node.content.get_queue_mut().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:328:13 [INFO] [stdout] | [INFO] [stdout] 328 | let mut queue = node.content.get_set_mut().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterators.rs:220:21 [INFO] [stdout] | [INFO] [stdout] 220 | let mut edge = edges.get_unchecked_mut(index); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:628:29 [INFO] [stdout] | [INFO] [stdout] 628 | let mut edge = edges.get_unchecked_mut(index); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/tree.rs:610:28 [INFO] [stdout] | [INFO] [stdout] 609 | let ptr: *mut Node = &*node as *const Node as *mut Node; [INFO] [stdout] | ---------------------------------- casting happend here [INFO] [stdout] 610 | return Ok((&mut *ptr, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/tree.rs:634:40 [INFO] [stdout] | [INFO] [stdout] 631 | let ptr: *mut Node = &*node as *const Node as *mut Node; [INFO] [stdout] | ---------------------------------- casting happend here [INFO] [stdout] ... [INFO] [stdout] 634 | return Ok((&mut *ptr, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vertree` (lib) due to 3 previous errors; 12 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterators.rs:220:21 [INFO] [stdout] | [INFO] [stdout] 220 | let mut edge = edges.get_unchecked_mut(index); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/tree.rs:610:28 [INFO] [stdout] | [INFO] [stdout] 609 | let ptr: *mut Node = &*node as *const Node as *mut Node; [INFO] [stdout] | ---------------------------------- casting happend here [INFO] [stdout] 610 | return Ok((&mut *ptr, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/tree.rs:634:40 [INFO] [stdout] | [INFO] [stdout] 631 | let ptr: *mut Node = &*node as *const Node as *mut Node; [INFO] [stdout] | ---------------------------------- casting happend here [INFO] [stdout] ... [INFO] [stdout] 634 | return Ok((&mut *ptr, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vertree` (lib test) due to 3 previous errors; 16 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3c205c3142d1c2a5c2163541980b4306d0cd5a6d711d5c8470a08c51b0faa660", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c205c3142d1c2a5c2163541980b4306d0cd5a6d711d5c8470a08c51b0faa660", kill_on_drop: false }` [INFO] [stdout] 3c205c3142d1c2a5c2163541980b4306d0cd5a6d711d5c8470a08c51b0faa660 [INFO] checking vertree-0.2.2 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] extracting crate vertree 0.2.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate vertree 0.2.2 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vertree 0.2.2 [INFO] finished tweaking crates.io crate vertree 0.2.2 [INFO] tweaked toml for crates.io crate vertree 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c635534e87d5a9a43c447bd5b0d04d3c0b7a1c3b14b941668104b6b6eee2eb79 [INFO] running `Command { std: "docker" "start" "-a" "c635534e87d5a9a43c447bd5b0d04d3c0b7a1c3b14b941668104b6b6eee2eb79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c635534e87d5a9a43c447bd5b0d04d3c0b7a1c3b14b941668104b6b6eee2eb79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c635534e87d5a9a43c447bd5b0d04d3c0b7a1c3b14b941668104b6b6eee2eb79", kill_on_drop: false }` [INFO] [stdout] c635534e87d5a9a43c447bd5b0d04d3c0b7a1c3b14b941668104b6b6eee2eb79 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e85556fea895bcb41b09014d40d4d8083f4e524bf30d94f2f38d3e4ce3e3cb4 [INFO] running `Command { std: "docker" "start" "-a" "4e85556fea895bcb41b09014d40d4d8083f4e524bf30d94f2f38d3e4ce3e3cb4", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "4e85556fea895bcb41b09014d40d4d8083f4e524bf30d94f2f38d3e4ce3e3cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e85556fea895bcb41b09014d40d4d8083f4e524bf30d94f2f38d3e4ce3e3cb4", kill_on_drop: false }` [INFO] [stdout] 4e85556fea895bcb41b09014d40d4d8083f4e524bf30d94f2f38d3e4ce3e3cb4