[INFO] fetching crate kudzu 0.1.0... [INFO] testing kudzu-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate kudzu 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate kudzu 0.1.0 [INFO] finished tweaking crates.io crate kudzu 0.1.0 [INFO] tweaked toml for crates.io crate kudzu 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate kudzu 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] [stderr] Adding rand v0.6.5 (available: v0.10.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 476ceb119b681c4b11a742c0d3fda5f406bfb3d9117ed16e3fd54f9625de6dca [INFO] running `Command { std: "docker" "start" "-a" "476ceb119b681c4b11a742c0d3fda5f406bfb3d9117ed16e3fd54f9625de6dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "476ceb119b681c4b11a742c0d3fda5f406bfb3d9117ed16e3fd54f9625de6dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "476ceb119b681c4b11a742c0d3fda5f406bfb3d9117ed16e3fd54f9625de6dca", kill_on_drop: false }` [INFO] [stdout] 476ceb119b681c4b11a742c0d3fda5f406bfb3d9117ed16e3fd54f9625de6dca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31f9d1a05ca4e061e5eb802a9f8e25ea27596fe5abc81b943a055392f12baf52 [INFO] running `Command { std: "docker" "start" "-a" "31f9d1a05ca4e061e5eb802a9f8e25ea27596fe5abc81b943a055392f12baf52", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling kudzu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `manually_drop_take` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/skiplist/insert.rs:150:32 [INFO] [stdout] | [INFO] [stdout] 150 | match succ == pred.compare_and_swap(succ, new_node_addr, AcqRel) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/skiplist/mod.rs:62:78 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&T> { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&'a T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "31f9d1a05ca4e061e5eb802a9f8e25ea27596fe5abc81b943a055392f12baf52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31f9d1a05ca4e061e5eb802a9f8e25ea27596fe5abc81b943a055392f12baf52", kill_on_drop: false }` [INFO] [stdout] 31f9d1a05ca4e061e5eb802a9f8e25ea27596fe5abc81b943a055392f12baf52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edb959a53100474a751fa1acebc73a22324b88100e332e3e3420033f38d05a76 [INFO] running `Command { std: "docker" "start" "-a" "edb959a53100474a751fa1acebc73a22324b88100e332e3e3420033f38d05a76", kill_on_drop: false }` [INFO] [stdout] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `manually_drop_take` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/skiplist/insert.rs:150:32 [INFO] [stdout] | [INFO] [stdout] 150 | match succ == pred.compare_and_swap(succ, new_node_addr, AcqRel) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling kudzu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/skiplist/mod.rs:62:78 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&T> { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&'a T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `manually_drop_take` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/skiplist/insert.rs:150:32 [INFO] [stdout] | [INFO] [stdout] 150 | match succ == pred.compare_and_swap(succ, new_node_addr, AcqRel) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/skiplist/mod.rs:62:78 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&T> { [INFO] [stdout] | -- ^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&'a T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "edb959a53100474a751fa1acebc73a22324b88100e332e3e3420033f38d05a76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edb959a53100474a751fa1acebc73a22324b88100e332e3e3420033f38d05a76", kill_on_drop: false }` [INFO] [stdout] edb959a53100474a751fa1acebc73a22324b88100e332e3e3420033f38d05a76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 40c38dc0f9ac7293a79c1dacc4c630dbd3da2ac29d3a385ba173acf9685d62c6 [INFO] running `Command { std: "docker" "start" "-a" "40c38dc0f9ac7293a79c1dacc4c630dbd3da2ac29d3a385ba173acf9685d62c6", kill_on_drop: false }` [INFO] [stderr] warning: the feature `atomic_min_max` has been stable since 1.45.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:32 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `manually_drop_take` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(manually_drop_take, atomic_min_max)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/skiplist/insert.rs:150:32 [INFO] [stderr] | [INFO] [stderr] 150 | match succ == pred.compare_and_swap(succ, new_node_addr, AcqRel) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/skiplist/mod.rs:62:78 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&T> { [INFO] [stderr] | -- ^^ the same lifetime is elided here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is named here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 62 | pub fn get<'a, U: AbstractOrd + ?Sized>(&'a self, elem: &U) -> Option<&'a T> { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: `kudzu` (lib) generated 4 warnings (run `cargo fix --lib -p kudzu` to apply 1 suggestion) [INFO] [stderr] warning: `kudzu` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kudzu-fea7fa196e54272e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test skiplist::test ... ok [INFO] [stderr] Doc-tests kudzu [INFO] [stdout] test skiplist::test_concurrent ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "40c38dc0f9ac7293a79c1dacc4c630dbd3da2ac29d3a385ba173acf9685d62c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40c38dc0f9ac7293a79c1dacc4c630dbd3da2ac29d3a385ba173acf9685d62c6", kill_on_drop: false }` [INFO] [stdout] 40c38dc0f9ac7293a79c1dacc4c630dbd3da2ac29d3a385ba173acf9685d62c6