[INFO] fetching crate d2_iterators_js 0.1.0... [INFO] checking d2_iterators_js-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate d2_iterators_js 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate d2_iterators_js 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate d2_iterators_js 0.1.0 [INFO] finished tweaking crates.io crate d2_iterators_js 0.1.0 [INFO] tweaked toml for crates.io crate d2_iterators_js 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate d2_iterators_js 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4db88ba37853ec9ce8a013f683c89c14320a0f1ff40685f3f97bf319af6c99a7 [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" "4db88ba37853ec9ce8a013f683c89c14320a0f1ff40685f3f97bf319af6c99a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4db88ba37853ec9ce8a013f683c89c14320a0f1ff40685f3f97bf319af6c99a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4db88ba37853ec9ce8a013f683c89c14320a0f1ff40685f3f97bf319af6c99a7", kill_on_drop: false }` [INFO] [stdout] 4db88ba37853ec9ce8a013f683c89c14320a0f1ff40685f3f97bf319af6c99a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21659e9a127d3f858a2b73f12e08b6cf748cfc03dec32cdb68766fa453ac84f4 [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" "21659e9a127d3f858a2b73f12e08b6cf748cfc03dec32cdb68766fa453ac84f4", kill_on_drop: false }` [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking d2_iterators_js v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/into.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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/combi.rs:45:41 [INFO] [stdout] | [INFO] [stdout] 45 | let v: Vec<&str> = s.split(" ").intersperse(",").collect(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "21659e9a127d3f858a2b73f12e08b6cf748cfc03dec32cdb68766fa453ac84f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21659e9a127d3f858a2b73f12e08b6cf748cfc03dec32cdb68766fa453ac84f4", kill_on_drop: false }` [INFO] [stdout] 21659e9a127d3f858a2b73f12e08b6cf748cfc03dec32cdb68766fa453ac84f4