[INFO] fetching crate microcrates-bytes 0.4.8...
[INFO] checking microcrates-bytes-0.4.8 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate microcrates-bytes 0.4.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate microcrates-bytes 0.4.8 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microcrates-bytes 0.4.8
[INFO] finished tweaking crates.io crate microcrates-bytes 0.4.8
[INFO] tweaked toml for crates.io crate microcrates-bytes 0.4.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9432c10feea1109665b8b97d15359a08bdf2e12bdefdeca3a19ae1b44dd9ef2
[INFO] running `Command { std: "docker" "start" "-a" "f9432c10feea1109665b8b97d15359a08bdf2e12bdefdeca3a19ae1b44dd9ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9432c10feea1109665b8b97d15359a08bdf2e12bdefdeca3a19ae1b44dd9ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9432c10feea1109665b8b97d15359a08bdf2e12bdefdeca3a19ae1b44dd9ef2", kill_on_drop: false }`
[INFO] [stdout] f9432c10feea1109665b8b97d15359a08bdf2e12bdefdeca3a19ae1b44dd9ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67fbd90924d4e769671e4d1cef40800d0cfe9b7bae78c824a3b53541713fd865
[INFO] running `Command { std: "docker" "start" "-a" "67fbd90924d4e769671e4d1cef40800d0cfe9b7bae78c824a3b53541713fd865", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking microcrates-bytes v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/bytes.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::iter::{FromIterator, Iterator};
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/prelude/mod.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(write!(fmt, "b\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(write!(fmt, "\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 try!(write!(fmt, "\\n"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 try!(write!(fmt, "\\r"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 try!(write!(fmt, "\\t"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 try!(write!(fmt, "\\{}", c as char));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 try!(write!(fmt, "\\0"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 try!(write!(fmt, "{}", c as char));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 try!(write!(fmt, "\\x{:02x}", c));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/bytes.rs:1550:45
[INFO] [stdout]      |
[INFO] [stdout] 1550 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/bytes.rs:1736:45
[INFO] [stdout]      |
[INFO] [stdout] 1736 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/bytes.rs:2012:41
[INFO] [stdout]      |
[INFO] [stdout] 2012 |             let mut inner: Inner = mem::uninitialized();
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:74:67
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly", feature(alloc, read_initializer, try_from))]
[INFO] [stdout]    |                                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:74:42
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly", feature(alloc, read_initializer, try_from))]
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `read_initializer`
[INFO] [stdout]   --> src/lib.rs:74:49
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly", feature(alloc, read_initializer, try_from))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `core::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/bytes.rs:2082:39
[INFO] [stdout]      |
[INFO] [stdout] 2082 |                 let actual = self.arc.compare_and_swap(arc, shared, AcqRel);
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microcrates-bytes` (lib) due to 18 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "67fbd90924d4e769671e4d1cef40800d0cfe9b7bae78c824a3b53541713fd865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fbd90924d4e769671e4d1cef40800d0cfe9b7bae78c824a3b53541713fd865", kill_on_drop: false }`
[INFO] [stdout] 67fbd90924d4e769671e4d1cef40800d0cfe9b7bae78c824a3b53541713fd865
[INFO] checking microcrates-bytes-0.4.8 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate microcrates-bytes 0.4.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate microcrates-bytes 0.4.8 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microcrates-bytes 0.4.8
[INFO] finished tweaking crates.io crate microcrates-bytes 0.4.8
[INFO] tweaked toml for crates.io crate microcrates-bytes 0.4.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 967e26f5118c556d83ecf6c862f26b576b164e271c6f02ce658d79662625fcab
[INFO] running `Command { std: "docker" "start" "-a" "967e26f5118c556d83ecf6c862f26b576b164e271c6f02ce658d79662625fcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967e26f5118c556d83ecf6c862f26b576b164e271c6f02ce658d79662625fcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967e26f5118c556d83ecf6c862f26b576b164e271c6f02ce658d79662625fcab", kill_on_drop: false }`
[INFO] [stdout] 967e26f5118c556d83ecf6c862f26b576b164e271c6f02ce658d79662625fcab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a29b0c22af65f44002cd08eb6d58a7a8edc52f250363a75e77867369fe4f65
[INFO] running `Command { std: "docker" "start" "-a" "67a29b0c22af65f44002cd08eb6d58a7a8edc52f250363a75e77867369fe4f65", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking microcrates-bytes v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/bytes.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::iter::{FromIterator, Iterator};
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/core/src/prelude/mod.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try!(write!(fmt, "b\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(write!(fmt, "\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 try!(write!(fmt, "\\n"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 try!(write!(fmt, "\\r"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 try!(write!(fmt, "\\t"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 try!(write!(fmt, "\\{}", c as char));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 try!(write!(fmt, "\\0"));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 try!(write!(fmt, "{}", c as char));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/debug.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 try!(write!(fmt, "\\x{:02x}", c));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/bytes.rs:1550:45
[INFO] [stdout]      |
[INFO] [stdout] 1550 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/bytes.rs:1736:45
[INFO] [stdout]      |
[INFO] [stdout] 1736 |                 let mut inner: Inner = mem::uninitialized();
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/bytes.rs:2012:41
[INFO] [stdout]      |
[INFO] [stdout] 2012 |             let mut inner: Inner = mem::uninitialized();
[INFO] [stdout]      |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:74:67
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly", feature(alloc, read_initializer, try_from))]
[INFO] [stdout]    |                                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:74:42
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly", feature(alloc, read_initializer, try_from))]
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `read_initializer`
[INFO] [stdout]   --> src/lib.rs:74:49
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly", feature(alloc, read_initializer, try_from))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `core::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/bytes.rs:2082:39
[INFO] [stdout]      |
[INFO] [stdout] 2082 |                 let actual = self.arc.compare_and_swap(arc, shared, AcqRel);
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microcrates-bytes` (lib) due to 18 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "67a29b0c22af65f44002cd08eb6d58a7a8edc52f250363a75e77867369fe4f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a29b0c22af65f44002cd08eb6d58a7a8edc52f250363a75e77867369fe4f65", kill_on_drop: false }`
[INFO] [stdout] 67a29b0c22af65f44002cd08eb6d58a7a8edc52f250363a75e77867369fe4f65
