[INFO] fetching crate efficient_enum 0.3.1...
[INFO] testing efficient_enum-0.3.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate efficient_enum 0.3.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate efficient_enum 0.3.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efficient_enum 0.3.1
[INFO] finished tweaking crates.io crate efficient_enum 0.3.1
[INFO] tweaked toml for crates.io crate efficient_enum 0.3.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 846574f56cea280d25ba203b4de293ac09dedcc03870c2e905d5c8591447c181
[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" "846574f56cea280d25ba203b4de293ac09dedcc03870c2e905d5c8591447c181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846574f56cea280d25ba203b4de293ac09dedcc03870c2e905d5c8591447c181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846574f56cea280d25ba203b4de293ac09dedcc03870c2e905d5c8591447c181", kill_on_drop: false }`
[INFO] [stdout] 846574f56cea280d25ba203b4de293ac09dedcc03870c2e905d5c8591447c181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 148edfa473edf746378b43571145ec9bb5ebd4c19ebdd0d9fb1344cf9e1f9c16
[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" "148edfa473edf746378b43571145ec9bb5ebd4c19ebdd0d9fb1344cf9e1f9c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling efficient_enum v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/tag.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tag.rs:205:23
[INFO] [stdout]     |
[INFO] [stdout] 205 |             Self::tag(uninitialized(), o)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/option.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::{replace,uninitialized};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let b = unsafe { uninitialized() };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:651:46
[INFO] [stdout]     |
[INFO] [stdout] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:743:26
[INFO] [stdout]     |
[INFO] [stdout] 743 |         let b = unsafe { uninitialized() };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "148edfa473edf746378b43571145ec9bb5ebd4c19ebdd0d9fb1344cf9e1f9c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148edfa473edf746378b43571145ec9bb5ebd4c19ebdd0d9fb1344cf9e1f9c16", kill_on_drop: false }`
[INFO] [stdout] 148edfa473edf746378b43571145ec9bb5ebd4c19ebdd0d9fb1344cf9e1f9c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7752ba8c7887243c7c338ce55e1fffb663a2a09a248ca038aeb8f5436dba4b0
[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" "d7752ba8c7887243c7c338ce55e1fffb663a2a09a248ca038aeb8f5436dba4b0", kill_on_drop: false }`
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling efficient_enum v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/tag.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tag.rs:205:23
[INFO] [stdout]     |
[INFO] [stdout] 205 |             Self::tag(uninitialized(), o)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/option.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::{replace,uninitialized};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let b = unsafe { uninitialized() };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:651:46
[INFO] [stdout]     |
[INFO] [stdout] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:743:26
[INFO] [stdout]     |
[INFO] [stdout] 743 |         let b = unsafe { uninitialized() };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/tag.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/tag.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tag.rs:205:23
[INFO] [stdout]     |
[INFO] [stdout] 205 |             Self::tag(uninitialized(), o)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/option.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem::{replace,uninitialized};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let b = unsafe { uninitialized() };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:651:46
[INFO] [stdout]     |
[INFO] [stdout] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/option.rs:743:26
[INFO] [stdout]     |
[INFO] [stdout] 743 |         let b = unsafe { uninitialized() };
[INFO] [stdout]     |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "d7752ba8c7887243c7c338ce55e1fffb663a2a09a248ca038aeb8f5436dba4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7752ba8c7887243c7c338ce55e1fffb663a2a09a248ca038aeb8f5436dba4b0", kill_on_drop: false }`
[INFO] [stdout] d7752ba8c7887243c7c338ce55e1fffb663a2a09a248ca038aeb8f5436dba4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfb69e34cebb9126c07da197a823f5165e69d0c4ff2d36fb7f89b75152521d84
[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" "bfb69e34cebb9126c07da197a823f5165e69d0c4ff2d36fb7f89b75152521d84", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/tag.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/tag.rs:205:23
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Self::tag(uninitialized(), o)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/option.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem::{replace,uninitialized};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:143:26
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:651:46
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:743:26
[INFO] [stderr]     |
[INFO] [stderr] 743 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/tag.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/tag.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{size_of, uninitialized};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/tag.rs:205:23
[INFO] [stderr]     |
[INFO] [stderr] 205 |             Self::tag(uninitialized(), o)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 | tag_msb!{u8 u16 u32 u64 usize}
[INFO] [stderr]     | ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `tag_msb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/option.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem::{replace,uninitialized};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:143:26
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:651:46
[INFO] [stderr]     |
[INFO] [stderr] 651 |         let b = self.ref_1().map_or(unsafe { uninitialized() }, Clone::clone);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/option.rs:743:26
[INFO] [stderr]     |
[INFO] [stderr] 743 |         let b = unsafe { uninitialized() };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/efficient_enum-676c9316705c3c62)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test option::tests::test_option_simple ... ok
[INFO] [stdout] test option::tests::test_option_new ... ok
[INFO] [stdout] test option::tests::test_option_tuple_simple ... ok
[INFO] [stdout] test option::tests::test_option_mut ... ok
[INFO] [stdout] test option::tests::test_option_tuple_mut ... ok
[INFO] [stdout] test option::tests::test_option_tuple_new ... ok
[INFO] [stdout] test option::tests::test_option_tuple_as_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests efficient_enum
[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" "bfb69e34cebb9126c07da197a823f5165e69d0c4ff2d36fb7f89b75152521d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb69e34cebb9126c07da197a823f5165e69d0c4ff2d36fb7f89b75152521d84", kill_on_drop: false }`
[INFO] [stdout] bfb69e34cebb9126c07da197a823f5165e69d0c4ff2d36fb7f89b75152521d84