[INFO] fetching crate say-number 1.0.0... [INFO] checking say-number-1.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate say-number 1.0.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate say-number 1.0.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate say-number 1.0.0 [INFO] tweaked toml for crates.io crate say-number 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate say-number 1.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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 72 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.6.0) [INFO] [stderr] Adding itertools v0.8.2 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78186807e361c9152824f32135757a292155649cf0533c008ad315dbb3aef94a [INFO] running `Command { std: "docker" "start" "-a" "78186807e361c9152824f32135757a292155649cf0533c008ad315dbb3aef94a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78186807e361c9152824f32135757a292155649cf0533c008ad315dbb3aef94a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78186807e361c9152824f32135757a292155649cf0533c008ad315dbb3aef94a", kill_on_drop: false }` [INFO] [stdout] 78186807e361c9152824f32135757a292155649cf0533c008ad315dbb3aef94a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c9659fc81c358782e7625c448ddd300059c03f624802e37ac27e06fcaa74922 [INFO] running `Command { std: "docker" "start" "-a" "1c9659fc81c358782e7625c448ddd300059c03f624802e37ac27e06fcaa74922", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking say-number v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/english.rs:84:34 [INFO] [stdout] | [INFO] [stdout] 84 | ret.iter().rev().map(|s| *s).intersperse(" ").collect() [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] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/vietnamese.rs:39:34 [INFO] [stdout] | [INFO] [stdout] 39 | ret.iter().rev().map(|s| *s).intersperse(" ").collect() [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] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/english.rs:84:34 [INFO] [stdout] | [INFO] [stdout] 84 | ret.iter().rev().map(|s| *s).intersperse(" ").collect() [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] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/vietnamese.rs:39:34 [INFO] [stdout] | [INFO] [stdout] 39 | ret.iter().rev().map(|s| *s).intersperse(" ").collect() [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] --> src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.58s [INFO] running `Command { std: "docker" "inspect" "1c9659fc81c358782e7625c448ddd300059c03f624802e37ac27e06fcaa74922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c9659fc81c358782e7625c448ddd300059c03f624802e37ac27e06fcaa74922", kill_on_drop: false }` [INFO] [stdout] 1c9659fc81c358782e7625c448ddd300059c03f624802e37ac27e06fcaa74922