[INFO] fetching crate storage_zip 0.1.1... [INFO] checking storage_zip-0.1.1 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] extracting crate storage_zip 0.1.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate storage_zip 0.1.1 on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate storage_zip 0.1.1 [INFO] finished tweaking crates.io crate storage_zip 0.1.1 [INFO] tweaked toml for crates.io crate storage_zip 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] deedff23d022be595f2a68574597295544a7e91c21405105b1deff25a7b4bc96 [INFO] running `"docker" "start" "-a" "deedff23d022be595f2a68574597295544a7e91c21405105b1deff25a7b4bc96"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking storage_zip v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:49:26 [INFO] [stderr] | [INFO] [stderr] 49 | let zipped_options = Option::zip(option_value_one, option_value_two); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `option_zip::OptionZip::zip(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_zip)]` to the crate attributes to enable `core::option::Option::::zip` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:68:26 [INFO] [stderr] | [INFO] [stderr] 68 | let zipped_options = Option::zip(option_value_one, option_value_two); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `option_zip::OptionZip::zip(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_zip)]` to the crate attributes to enable `core::option::Option::::zip` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:74:26 [INFO] [stderr] | [INFO] [stderr] 74 | let zipped_options = Option::zip(option_value_one, option_value_two); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `option_zip::OptionZip::zip(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_zip)]` to the crate attributes to enable `core::option::Option::::zip` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "deedff23d022be595f2a68574597295544a7e91c21405105b1deff25a7b4bc96"` [INFO] running `"docker" "rm" "-f" "deedff23d022be595f2a68574597295544a7e91c21405105b1deff25a7b4bc96"` [INFO] [stdout] deedff23d022be595f2a68574597295544a7e91c21405105b1deff25a7b4bc96