[INFO] fetching crate narrow 0.1.0... [INFO] checking narrow-0.1.0 against try#0c46a61b05fb97ea2e031df461bcb1436e3c5bc3 for pr-98456-1 [INFO] extracting crate narrow 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate narrow 0.1.0 on toolchain 0c46a61b05fb97ea2e031df461bcb1436e3c5bc3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate narrow 0.1.0 [INFO] finished tweaking crates.io crate narrow 0.1.0 [INFO] tweaked toml for crates.io crate narrow 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f49d6f503dedd758e4e50c4b39d8ff3e3958bdbba317a6281d40681b435788df [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" "f49d6f503dedd758e4e50c4b39d8ff3e3958bdbba317a6281d40681b435788df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f49d6f503dedd758e4e50c4b39d8ff3e3958bdbba317a6281d40681b435788df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f49d6f503dedd758e4e50c4b39d8ff3e3958bdbba317a6281d40681b435788df", kill_on_drop: false }` [INFO] [stdout] f49d6f503dedd758e4e50c4b39d8ff3e3958bdbba317a6281d40681b435788df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0c46a61b05fb97ea2e031df461bcb1436e3c5bc3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 97069c55ec5cedc4b91e5f0772fc7b99453f84e692da73673338a189db26e8e5 [INFO] running `Command { std: "docker" "start" "-a" "97069c55ec5cedc4b91e5f0772fc7b99453f84e692da73673338a189db26e8e5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling semver v1.0.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling narrow-derive v0.1.0 [INFO] [stderr] Checking narrow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::::new`: use `IntoIterator::into_iter` instead [INFO] [stdout] --> src/array/fixed_size_list.rs:66:45 [INFO] [stdout] | [INFO] [stdout] 66 | Self(iter.into_iter().map(IntoIter::new).flatten().collect()) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::::new`: use `IntoIterator::into_iter` instead [INFO] [stdout] --> src/array/fixed_size_list.rs:88:47 [INFO] [stdout] | [INFO] [stdout] 88 | for x in array::IntoIter::new(value) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/validity.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | fn index(&self, index: usize) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 69 | self.deref().index(index) [INFO] [stdout] | ------------------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::::new`: use `IntoIterator::into_iter` instead [INFO] [stdout] --> src/array/fixed_size_list.rs:66:45 [INFO] [stdout] | [INFO] [stdout] 66 | Self(iter.into_iter().map(IntoIter::new).flatten().collect()) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::::new`: use `IntoIterator::into_iter` instead [INFO] [stdout] --> src/array/fixed_size_list.rs:88:47 [INFO] [stdout] | [INFO] [stdout] 88 | for x in array::IntoIter::new(value) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/validity.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | fn index(&self, index: usize) -> Self::Output { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] 69 | self.deref().index(index) [INFO] [stdout] | ------------------------- recursive call site [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Layout::size` that must be used [INFO] [stdout] --> src/buffer.rs:437:9 [INFO] [stdout] | [INFO] [stdout] 437 | layout::(0).size(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 30s [INFO] running `Command { std: "docker" "inspect" "97069c55ec5cedc4b91e5f0772fc7b99453f84e692da73673338a189db26e8e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97069c55ec5cedc4b91e5f0772fc7b99453f84e692da73673338a189db26e8e5", kill_on_drop: false }` [INFO] [stdout] 97069c55ec5cedc4b91e5f0772fc7b99453f84e692da73673338a189db26e8e5