[INFO] fetching crate shortid 1.0.6... [INFO] checking shortid-1.0.6 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate shortid 1.0.6 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate shortid 1.0.6 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shortid 1.0.6 [INFO] finished tweaking crates.io crate shortid 1.0.6 [INFO] tweaked toml for crates.io crate shortid 1.0.6 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] 3ed44e0cbffd936227b6d87082bb651ac69e25950a8ad453c5d33a1076749795 [INFO] running `Command { std: "docker" "start" "-a" "3ed44e0cbffd936227b6d87082bb651ac69e25950a8ad453c5d33a1076749795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ed44e0cbffd936227b6d87082bb651ac69e25950a8ad453c5d33a1076749795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ed44e0cbffd936227b6d87082bb651ac69e25950a8ad453c5d33a1076749795", kill_on_drop: false }` [INFO] [stdout] 3ed44e0cbffd936227b6d87082bb651ac69e25950a8ad453c5d33a1076749795 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] ae86a712992d215c8613d6dc9bed6794c3aabf9f261c9bb379b38a7cd6acb02e [INFO] running `Command { std: "docker" "start" "-a" "ae86a712992d215c8613d6dc9bed6794c3aabf9f261c9bb379b38a7cd6acb02e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde v1.0.128 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling serde_derive v1.0.128 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking shortid v1.0.6 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/lib.rs:285:26 [INFO] [stdout] | [INFO] [stdout] 285 | let hex: String = id.into_iter().map(|val| format!("{:0>2x}", val)).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 285 | let hex: String = id.iter().map(|val| format!("{:0>2x}", val)).collect(); [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 285 | let hex: String = IntoIterator::into_iter(id).map(|val| format!("{:0>2x}", val)).collect(); [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/lib.rs:312:10 [INFO] [stdout] | [INFO] [stdout] 312 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 312 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 311 | let hex: String = IntoIterator::into_iter(id128) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/lib.rs:341:10 [INFO] [stdout] | [INFO] [stdout] 341 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 341 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 340 | let hex: String = IntoIterator::into_iter(id128) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/lib.rs:420:10 [INFO] [stdout] | [INFO] [stdout] 420 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 420 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 419 | let hex: String = IntoIterator::into_iter(id128) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.88s [INFO] running `Command { std: "docker" "inspect" "ae86a712992d215c8613d6dc9bed6794c3aabf9f261c9bb379b38a7cd6acb02e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae86a712992d215c8613d6dc9bed6794c3aabf9f261c9bb379b38a7cd6acb02e", kill_on_drop: false }` [INFO] [stdout] ae86a712992d215c8613d6dc9bed6794c3aabf9f261c9bb379b38a7cd6acb02e