[INFO] fetching crate vertree 0.2.2... [INFO] checking vertree-0.2.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate vertree 0.2.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate vertree 0.2.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71113a2a8e9ac712e3c4598ec324f51c1a39b4a6544f4de5714b04b637e3d621 [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" "71113a2a8e9ac712e3c4598ec324f51c1a39b4a6544f4de5714b04b637e3d621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71113a2a8e9ac712e3c4598ec324f51c1a39b4a6544f4de5714b04b637e3d621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71113a2a8e9ac712e3c4598ec324f51c1a39b4a6544f4de5714b04b637e3d621", kill_on_drop: false }` [INFO] [stdout] 71113a2a8e9ac712e3c4598ec324f51c1a39b4a6544f4de5714b04b637e3d621 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45987480d04723b01ce262288c2b6354fd05051b0bfc9090f59baa73a03fae51 [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" "45987480d04723b01ce262288c2b6354fd05051b0bfc9090f59baa73a03fae51", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking rmp-serde v0.13.7 [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 a macro (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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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: unused doc comment [INFO] [stdout] --> src/cas.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | /// operations. Then run the whole set as a multi-cas. Ensure the output is the same between the [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: unused doc comment [INFO] [stdout] --> src/cas.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | /// ops run in the multicas and one at a time. [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 a macro (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 a macro (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 `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 a macro (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::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 a macro (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: 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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.16s [INFO] running `Command { std: "docker" "inspect" "45987480d04723b01ce262288c2b6354fd05051b0bfc9090f59baa73a03fae51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45987480d04723b01ce262288c2b6354fd05051b0bfc9090f59baa73a03fae51", kill_on_drop: false }` [INFO] [stdout] 45987480d04723b01ce262288c2b6354fd05051b0bfc9090f59baa73a03fae51