[INFO] fetching crate util 0.1.2... [INFO] testing util-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate util 0.1.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate util 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate util 0.1.2 [INFO] finished tweaking crates.io crate util 0.1.2 [INFO] tweaked toml for crates.io crate util 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29af4474ace115849cfc96025b280591b99dde1ae0289a51846262e094e33fef [INFO] running `Command { std: "docker" "start" "-a" "29af4474ace115849cfc96025b280591b99dde1ae0289a51846262e094e33fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29af4474ace115849cfc96025b280591b99dde1ae0289a51846262e094e33fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29af4474ace115849cfc96025b280591b99dde1ae0289a51846262e094e33fef", kill_on_drop: false }` [INFO] [stdout] 29af4474ace115849cfc96025b280591b99dde1ae0289a51846262e094e33fef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac43124f020d4735cc6fe3987e4721642dc0f59f2de862e0ced9343ba8dd59fe [INFO] running `Command { std: "docker" "start" "-a" "ac43124f020d4735cc6fe3987e4721642dc0f59f2de862e0ced9343ba8dd59fe", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling util v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:54:62 [INFO] [stdout] | [INFO] [stdout] 54 | if k > self.len() { None } else { Some(unsafe { self.split_at_unchecked(k) }) } [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 `SliceExt::split_at_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(slice_split_at_unchecked)]` to the crate attributes to enable `slice::::split_at_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "ac43124f020d4735cc6fe3987e4721642dc0f59f2de862e0ced9343ba8dd59fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac43124f020d4735cc6fe3987e4721642dc0f59f2de862e0ced9343ba8dd59fe", kill_on_drop: false }` [INFO] [stdout] ac43124f020d4735cc6fe3987e4721642dc0f59f2de862e0ced9343ba8dd59fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73633091e46f975903c69e6951d889046fc54c91a64cd27a058dfa1b91367565 [INFO] running `Command { std: "docker" "start" "-a" "73633091e46f975903c69e6951d889046fc54c91a64cd27a058dfa1b91367565", kill_on_drop: false }` [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:54:62 [INFO] [stdout] | [INFO] [stdout] 54 | if k > self.len() { None } else { Some(unsafe { self.split_at_unchecked(k) }) } [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 `SliceExt::split_at_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(slice_split_at_unchecked)]` to the crate attributes to enable `slice::::split_at_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling util v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [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] --> src/lib.rs:54:62 [INFO] [stdout] | [INFO] [stdout] 54 | if k > self.len() { None } else { Some(unsafe { self.split_at_unchecked(k) }) } [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 `SliceExt::split_at_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(slice_split_at_unchecked)]` to the crate attributes to enable `slice::::split_at_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "73633091e46f975903c69e6951d889046fc54c91a64cd27a058dfa1b91367565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73633091e46f975903c69e6951d889046fc54c91a64cd27a058dfa1b91367565", kill_on_drop: false }` [INFO] [stdout] 73633091e46f975903c69e6951d889046fc54c91a64cd27a058dfa1b91367565 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eb05b7e28df3b8dcc1581a53d9024ab5b311fd680335efe2dd6719c75add2f28 [INFO] running `Command { std: "docker" "start" "-a" "eb05b7e28df3b8dcc1581a53d9024ab5b311fd680335efe2dd6719c75add2f28", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:54:62 [INFO] [stderr] | [INFO] [stderr] 54 | if k > self.len() { None } else { Some(unsafe { self.split_at_unchecked(k) }) } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this associated item 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 `SliceExt::split_at_unchecked(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(slice_split_at_unchecked)]` to the crate attributes to enable `slice::::split_at_unchecked` [INFO] [stderr] [INFO] [stderr] warning: `util` (lib) generated 1 warning [INFO] [stderr] warning: `util` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/util-dc207d47dc5f05fb) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests util [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "eb05b7e28df3b8dcc1581a53d9024ab5b311fd680335efe2dd6719c75add2f28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb05b7e28df3b8dcc1581a53d9024ab5b311fd680335efe2dd6719c75add2f28", kill_on_drop: false }` [INFO] [stdout] eb05b7e28df3b8dcc1581a53d9024ab5b311fd680335efe2dd6719c75add2f28