[INFO] fetching crate dlopen 0.1.8...
[INFO] building dlopen-0.1.8 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate dlopen 0.1.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dlopen 0.1.8 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dlopen 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dlopen 0.1.8
[INFO] tweaked toml for crates.io crate dlopen 0.1.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-cstr v0.1.0
[INFO] [stderr]   Downloaded example_dylib v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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] 403c32f22e7f99e732df5806203b294cb3aa7c330f100380346140cb26dc42ab
[INFO] running `Command { std: "docker" "start" "-a" "403c32f22e7f99e732df5806203b294cb3aa7c330f100380346140cb26dc42ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "403c32f22e7f99e732df5806203b294cb3aa7c330f100380346140cb26dc42ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403c32f22e7f99e732df5806203b294cb3aa7c330f100380346140cb26dc42ab", kill_on_drop: false }`
[INFO] [stdout] 403c32f22e7f99e732df5806203b294cb3aa7c330f100380346140cb26dc42ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 100c8cb31b73104dafa6b7094df8200d86ceebd117689c2e84204e431fef4538
[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" "100c8cb31b73104dafa6b7094df8200d86ceebd117689c2e84204e431fef4538", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]    Compiling dlopen v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/raw/unix.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::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/raw/unix.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut dlinfo: Dl_info = uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/err.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |         f.write_str(self.description())?;
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "100c8cb31b73104dafa6b7094df8200d86ceebd117689c2e84204e431fef4538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100c8cb31b73104dafa6b7094df8200d86ceebd117689c2e84204e431fef4538", kill_on_drop: false }`
[INFO] [stdout] 100c8cb31b73104dafa6b7094df8200d86ceebd117689c2e84204e431fef4538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f3b412c7c03b8c0518ba2386d773daeee12c5fdb7aa98d1015675f5ec428b85
[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" "9f3b412c7c03b8c0518ba2386d773daeee12c5fdb7aa98d1015675f5ec428b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling example_dylib v0.1.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/raw/unix.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::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/raw/unix.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut dlinfo: Dl_info = uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/err.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |         f.write_str(self.description())?;
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling const-cstr v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling dlopen v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:35:32
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/raw/unix.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::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/raw/unix.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let mut dlinfo: Dl_info = uninitialized();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/err.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |         f.write_str(self.description())?;
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.35s
[INFO] running `Command { std: "docker" "inspect" "9f3b412c7c03b8c0518ba2386d773daeee12c5fdb7aa98d1015675f5ec428b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3b412c7c03b8c0518ba2386d773daeee12c5fdb7aa98d1015675f5ec428b85", kill_on_drop: false }`
[INFO] [stdout] 9f3b412c7c03b8c0518ba2386d773daeee12c5fdb7aa98d1015675f5ec428b85
