[INFO] fetching crate vec-collections 0.3.5... [INFO] checking vec-collections-0.3.5 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate vec-collections 0.3.5 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate vec-collections 0.3.5 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 vec-collections 0.3.5 [INFO] finished tweaking crates.io crate vec-collections 0.3.5 [INFO] tweaked toml for crates.io crate vec-collections 0.3.5 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate vec-collections 0.3.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.3.3 [INFO] [stderr] Downloaded stats_alloc v0.1.8 [INFO] [stderr] Downloaded testdrop v0.1.2 [INFO] [stderr] Downloaded half v1.6.0 [INFO] [stderr] Downloaded sorted-iter v0.1.6 [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] 6c1316e8cd6de7684d0a09ad2dd20ee0bf1948fd5d8d5cbf567b22a7f376fee1 [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" "6c1316e8cd6de7684d0a09ad2dd20ee0bf1948fd5d8d5cbf567b22a7f376fee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c1316e8cd6de7684d0a09ad2dd20ee0bf1948fd5d8d5cbf567b22a7f376fee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c1316e8cd6de7684d0a09ad2dd20ee0bf1948fd5d8d5cbf567b22a7f376fee1", kill_on_drop: false }` [INFO] [stdout] 6c1316e8cd6de7684d0a09ad2dd20ee0bf1948fd5d8d5cbf567b22a7f376fee1 [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] 146ae5f610e14f9c27714872cc29b480b9194d24d093a2edfe403a3986ff099c [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" "146ae5f610e14f9c27714872cc29b480b9194d24d093a2edfe403a3986ff099c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking sorted-iter v0.1.6 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking testdrop v0.1.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking clap v2.33.2 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon-core v1.7.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rayon v1.3.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking vec-collections v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `slice_iter` [INFO] [stdout] --> src/vec_map.rs:378:19 [INFO] [stdout] | [INFO] [stdout] 378 | pub(crate) fn slice_iter(&self) -> SliceIterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> examples/multimap.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let x: Multimap = [(0, 0), (0, 1), (1, 0)].iter().cloned().collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> examples/multimap.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let y: BiMultimap = [(0, 0), (0, 1), (1, 0)].iter().cloned().collect(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/test_macros.rs:51:1 [INFO] [stdout] | [INFO] [stdout] 51 | / macro_rules! bitop_sub_not_all { [INFO] [stdout] 52 | | ($test:ty) => { [INFO] [stdout] 53 | | #[quickcheck] [INFO] [stdout] 54 | | fn bitand_all_neutral(x: $test) -> bool { [INFO] [stdout] ... | [INFO] [stdout] 93 | | }; [INFO] [stdout] 94 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `slice_iter` [INFO] [stdout] --> src/vec_map.rs:378:19 [INFO] [stdout] | [INFO] [stdout] 378 | pub(crate) fn slice_iter(&self) -> SliceIterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.22s [INFO] running `Command { std: "docker" "inspect" "146ae5f610e14f9c27714872cc29b480b9194d24d093a2edfe403a3986ff099c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "146ae5f610e14f9c27714872cc29b480b9194d24d093a2edfe403a3986ff099c", kill_on_drop: false }` [INFO] [stdout] 146ae5f610e14f9c27714872cc29b480b9194d24d093a2edfe403a3986ff099c