[INFO] fetching crate itertools 0.10.1... [INFO] building itertools-0.10.1 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3 [INFO] extracting crate itertools 0.10.1 into /workspace/builds/worker-35/source [INFO] validating manifest of crates.io crate itertools 0.10.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate itertools 0.10.1 [INFO] finished tweaking crates.io crate itertools 0.10.1 [INFO] tweaked toml for crates.io crate itertools 0.10.1 written to /workspace/builds/worker-35/source/Cargo.toml [INFO] crate crates.io crate itertools 0.10.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b360b55f08f1ecaf10dd4d5143108709e162952690a472a8274613a86caedbad [INFO] running `Command { std: "docker" "start" "-a" "b360b55f08f1ecaf10dd4d5143108709e162952690a472a8274613a86caedbad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b360b55f08f1ecaf10dd4d5143108709e162952690a472a8274613a86caedbad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b360b55f08f1ecaf10dd4d5143108709e162952690a472a8274613a86caedbad", kill_on_drop: false }` [INFO] [stdout] b360b55f08f1ecaf10dd4d5143108709e162952690a472a8274613a86caedbad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07d745d431e1c242814681a1fbba5fbc09c6acad65ec09464321c16d445eccbd [INFO] running `Command { std: "docker" "start" "-a" "07d745d431e1c242814681a1fbba5fbc09c6acad65ec09464321c16d445eccbd", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling itertools v0.10.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused attribute `inline` [INFO] [stdout] --> src/flatten_ok.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 141 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields` [INFO] [stdout] --> src/flatten_ok.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | clone_fields!(iter, inner_front, inner_back); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute `inline` [INFO] [stdout] --> src/rciter_impl.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields` [INFO] [stdout] --> src/rciter_impl.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | clone_fields!(rciter); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `Command { std: "docker" "inspect" "07d745d431e1c242814681a1fbba5fbc09c6acad65ec09464321c16d445eccbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07d745d431e1c242814681a1fbba5fbc09c6acad65ec09464321c16d445eccbd", kill_on_drop: false }` [INFO] [stdout] 07d745d431e1c242814681a1fbba5fbc09c6acad65ec09464321c16d445eccbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e94e482ecaa5af9b01ce67e8520c0b1983ae4068161390e3502b54c76b22dda8 [INFO] running `Command { std: "docker" "start" "-a" "e94e482ecaa5af9b01ce67e8520c0b1983ae4068161390e3502b54c76b22dda8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling permutohedron v0.2.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stdout] warning: unused attribute `inline` [INFO] [stdout] --> src/flatten_ok.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 141 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields` [INFO] [stdout] --> src/flatten_ok.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | clone_fields!(iter, inner_front, inner_back); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute `inline` [INFO] [stdout] --> src/rciter_impl.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields` [INFO] [stdout] --> src/rciter_impl.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | clone_fields!(rciter); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling itertools v0.10.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/fold_specialization.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | let mut iter = (1..2).intersperse(0); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/fold_specialization.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | let mut iter = (1..3).intersperse(0); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/fold_specialization.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | let mut iter = (1..4).intersperse(0); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/test_std.rs:119:53 [INFO] [stdout] | [INFO] [stdout] 119 | let v: Vec<&str> = xs.iter().map(|x| x.clone()).intersperse(", ").collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/test_std.rs:124:45 [INFO] [stdout] | [INFO] [stdout] 124 | let mut it = ys[..0].iter().map(|x| *x).intersperse(1); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/quick.rs:642:29 [INFO] [stdout] | [INFO] [stdout] 642 | correct_size_hint(a.intersperse(x)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/quick.rs:647:38 [INFO] [stdout] | [INFO] [stdout] 647 | for elt in a.iter().cloned().intersperse(x) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 27.58s [INFO] running `Command { std: "docker" "inspect" "e94e482ecaa5af9b01ce67e8520c0b1983ae4068161390e3502b54c76b22dda8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e94e482ecaa5af9b01ce67e8520c0b1983ae4068161390e3502b54c76b22dda8", kill_on_drop: false }` [INFO] [stdout] e94e482ecaa5af9b01ce67e8520c0b1983ae4068161390e3502b54c76b22dda8