[INFO] fetching crate util 0.1.2... [INFO] testing util-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate util 0.1.2 into /workspace/builds/worker-92/source [INFO] validating manifest of crates.io crate util 0.1.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-92/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 595a5e95a0e1f3e0065afbd75ea10c2d6b52f474a093fe9053cda997ac8b53b8 [INFO] running `Command { std: "docker" "start" "-a" "595a5e95a0e1f3e0065afbd75ea10c2d6b52f474a093fe9053cda997ac8b53b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "595a5e95a0e1f3e0065afbd75ea10c2d6b52f474a093fe9053cda997ac8b53b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "595a5e95a0e1f3e0065afbd75ea10c2d6b52f474a093fe9053cda997ac8b53b8", kill_on_drop: false }` [INFO] [stdout] 595a5e95a0e1f3e0065afbd75ea10c2d6b52f474a093fe9053cda997ac8b53b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1cf3934226008fc8860703705f3322a6bd4ef340a337cb1b6a321db0ca8cc9c [INFO] running `Command { std: "docker" "start" "-a" "c1cf3934226008fc8860703705f3322a6bd4ef340a337cb1b6a321db0ca8cc9c", kill_on_drop: false }` [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 0.11s [INFO] running `Command { std: "docker" "inspect" "c1cf3934226008fc8860703705f3322a6bd4ef340a337cb1b6a321db0ca8cc9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1cf3934226008fc8860703705f3322a6bd4ef340a337cb1b6a321db0ca8cc9c", kill_on_drop: false }` [INFO] [stdout] c1cf3934226008fc8860703705f3322a6bd4ef340a337cb1b6a321db0ca8cc9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74db6daf9e5a0759968b74f1fbe3dc2b3389ff3c10c63a78da18f9047a565177 [INFO] running `Command { std: "docker" "start" "-a" "74db6daf9e5a0759968b74f1fbe3dc2b3389ff3c10c63a78da18f9047a565177", 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 0.26s [INFO] running `Command { std: "docker" "inspect" "74db6daf9e5a0759968b74f1fbe3dc2b3389ff3c10c63a78da18f9047a565177", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74db6daf9e5a0759968b74f1fbe3dc2b3389ff3c10c63a78da18f9047a565177", kill_on_drop: false }` [INFO] [stdout] 74db6daf9e5a0759968b74f1fbe3dc2b3389ff3c10c63a78da18f9047a565177 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5dfced287154479681d7031f1eb0d61cc62f4ee9b668e673aebc1ec0519e385f [INFO] running `Command { std: "docker" "start" "-a" "5dfced287154479681d7031f1eb0d61cc62f4ee9b668e673aebc1ec0519e385f", 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 0.55s [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" "5dfced287154479681d7031f1eb0d61cc62f4ee9b668e673aebc1ec0519e385f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dfced287154479681d7031f1eb0d61cc62f4ee9b668e673aebc1ec0519e385f", kill_on_drop: false }` [INFO] [stdout] 5dfced287154479681d7031f1eb0d61cc62f4ee9b668e673aebc1ec0519e385f