[INFO] fetching crate vertree 0.2.2... [INFO] checking vertree-0.2.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate vertree 0.2.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate vertree 0.2.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e751c2b16c840182adf177171c6fb771974761d7eff6185ec38d84a6f59b3919 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e751c2b16c840182adf177171c6fb771974761d7eff6185ec38d84a6f59b3919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e751c2b16c840182adf177171c6fb771974761d7eff6185ec38d84a6f59b3919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e751c2b16c840182adf177171c6fb771974761d7eff6185ec38d84a6f59b3919", kill_on_drop: false }` [INFO] [stdout] e751c2b16c840182adf177171c6fb771974761d7eff6185ec38d84a6f59b3919 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a661fc22d76bee24c61216d3897f62e9aca974fd3faebb609baa488cf9fbea6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7a661fc22d76bee24c61216d3897f62e9aca974fd3faebb609baa488cf9fbea6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking kernel32-sys v0.2.2 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking backtrace v0.3.60 [INFO] [stderr] Checking rmp v0.8.10 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking rmp-serde v0.13.7 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Checking vertree v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `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` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 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] = note: `#[warn(unused_doc_comments)]` on by default [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: 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: use of deprecated associated function `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` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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] | ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.66s [INFO] running `Command { std: "docker" "inspect" "7a661fc22d76bee24c61216d3897f62e9aca974fd3faebb609baa488cf9fbea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a661fc22d76bee24c61216d3897f62e9aca974fd3faebb609baa488cf9fbea6", kill_on_drop: false }` [INFO] [stdout] 7a661fc22d76bee24c61216d3897f62e9aca974fd3faebb609baa488cf9fbea6