[INFO] fetching crate say-number 1.0.0... [INFO] checking say-number-1.0.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate say-number 1.0.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate say-number 1.0.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 73 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce64402d4ca248d2b57083b72b514b804559b3d82b331cae2468313dbceaa132 [INFO] running `Command { std: "docker" "start" "-a" "ce64402d4ca248d2b57083b72b514b804559b3d82b331cae2468313dbceaa132", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce64402d4ca248d2b57083b72b514b804559b3d82b331cae2468313dbceaa132", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce64402d4ca248d2b57083b72b514b804559b3d82b331cae2468313dbceaa132", kill_on_drop: false }` [INFO] [stdout] ce64402d4ca248d2b57083b72b514b804559b3d82b331cae2468313dbceaa132 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29e2931340738495547e3f644f5fe2eddc3b0759f0e9a47c201c4f9f0e06e4a2 [INFO] running `Command { std: "docker" "start" "-a" "29e2931340738495547e3f644f5fe2eddc3b0759f0e9a47c201c4f9f0e06e4a2", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking serde_json v1.0.143 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking clap v2.34.0 [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] [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 tinytemplate v1.2.1 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking regex v1.11.2 [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 11.48s [INFO] running `Command { std: "docker" "inspect" "29e2931340738495547e3f644f5fe2eddc3b0759f0e9a47c201c4f9f0e06e4a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29e2931340738495547e3f644f5fe2eddc3b0759f0e9a47c201c4f9f0e06e4a2", kill_on_drop: false }` [INFO] [stdout] 29e2931340738495547e3f644f5fe2eddc3b0759f0e9a47c201c4f9f0e06e4a2