[INFO] fetching crate possibly_uninit 0.1.0... [INFO] testing possibly_uninit-0.1.0 against 1.54.0 for beta-1.55-2 [INFO] extracting crate possibly_uninit 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate possibly_uninit 0.1.0 on toolchain 1.54.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate possibly_uninit 0.1.0 [INFO] finished tweaking crates.io crate possibly_uninit 0.1.0 [INFO] tweaked toml for crates.io crate possibly_uninit 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e392837ef5e9e84e5a548892d9d10016a94c6af6da39fea53bf530e0fbcefe9d [INFO] running `Command { std: "docker" "start" "-a" "e392837ef5e9e84e5a548892d9d10016a94c6af6da39fea53bf530e0fbcefe9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e392837ef5e9e84e5a548892d9d10016a94c6af6da39fea53bf530e0fbcefe9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e392837ef5e9e84e5a548892d9d10016a94c6af6da39fea53bf530e0fbcefe9d", kill_on_drop: false }` [INFO] [stdout] e392837ef5e9e84e5a548892d9d10016a94c6af6da39fea53bf530e0fbcefe9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6801002d846ebb51fd24a0e823ff33dba9decd1ee16b7b53595f21b13bf0a548 [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" "6801002d846ebb51fd24a0e823ff33dba9decd1ee16b7b53595f21b13bf0a548", kill_on_drop: false }` [INFO] [stderr] Compiling possibly_uninit v0.1.0 (/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:122:20 [INFO] [stdout] | [INFO] [stdout] 122 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [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:134:20 [INFO] [stdout] | [INFO] [stdout] 134 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.58s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6801002d846ebb51fd24a0e823ff33dba9decd1ee16b7b53595f21b13bf0a548", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6801002d846ebb51fd24a0e823ff33dba9decd1ee16b7b53595f21b13bf0a548", kill_on_drop: false }` [INFO] [stdout] 6801002d846ebb51fd24a0e823ff33dba9decd1ee16b7b53595f21b13bf0a548 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28353499e5e460d2396fd7addce9a7977ed82ad4d35cee4429b849cc3bc44816 [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" "28353499e5e460d2396fd7addce9a7977ed82ad4d35cee4429b849cc3bc44816", 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:122:20 [INFO] [stdout] | [INFO] [stdout] 122 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling possibly_uninit v0.1.0 (/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:134:20 [INFO] [stdout] | [INFO] [stdout] 134 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings 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:122:20 [INFO] [stdout] | [INFO] [stdout] 122 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [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:134:20 [INFO] [stdout] | [INFO] [stdout] 134 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "28353499e5e460d2396fd7addce9a7977ed82ad4d35cee4429b849cc3bc44816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28353499e5e460d2396fd7addce9a7977ed82ad4d35cee4429b849cc3bc44816", kill_on_drop: false }` [INFO] [stdout] 28353499e5e460d2396fd7addce9a7977ed82ad4d35cee4429b849cc3bc44816 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 524307a9b3e0198cde69d799fef845341eb24720bbfde73aa69d00963474d34f [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" "524307a9b3e0198cde69d799fef845341eb24720bbfde73aa69d00963474d34f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/lib.rs:122:20 [INFO] [stdout] test slice::cursor::test::arr ... ok [INFO] [stderr] | [INFO] [stdout] test slice::cursor::test::slice ... ok [INFO] [stderr] 122 | self.0.assume_init_mut() [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stderr] | [INFO] [stdout] [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:134:20 [INFO] [stderr] | [INFO] [stderr] 134 | self.0.assume_init_mut() [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:122:20 [INFO] [stderr] | [INFO] [stderr] 122 | self.0.assume_init_mut() [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:134:20 [INFO] [stderr] | [INFO] [stderr] 134 | self.0.assume_init_mut() [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 `BorrowOut::assume_init_mut(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.47s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/possibly_uninit-cc34116de4ba2835) [INFO] [stderr] Doc-tests possibly_uninit [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/slice/mod.rs - slice::OutSlice (line 51) ... ok [INFO] [stdout] test src/lib.rs - Out (line 48) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "524307a9b3e0198cde69d799fef845341eb24720bbfde73aa69d00963474d34f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "524307a9b3e0198cde69d799fef845341eb24720bbfde73aa69d00963474d34f", kill_on_drop: false }` [INFO] [stdout] 524307a9b3e0198cde69d799fef845341eb24720bbfde73aa69d00963474d34f