[INFO] fetching crate osprey 0.4.4...
[INFO] checking osprey-0.4.4 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate osprey 0.4.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate osprey 0.4.4 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate osprey 0.4.4
[INFO] finished tweaking crates.io crate osprey 0.4.4
[INFO] tweaked toml for crates.io crate osprey 0.4.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c9caecbacb3ae10b3833eca4dc531eb53e0ff6545ba64d0993737a3c5550310
[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" "7c9caecbacb3ae10b3833eca4dc531eb53e0ff6545ba64d0993737a3c5550310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c9caecbacb3ae10b3833eca4dc531eb53e0ff6545ba64d0993737a3c5550310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9caecbacb3ae10b3833eca4dc531eb53e0ff6545ba64d0993737a3c5550310", kill_on_drop: false }`
[INFO] [stdout] 7c9caecbacb3ae10b3833eca4dc531eb53e0ff6545ba64d0993737a3c5550310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b218aec42a8bb69fc5d5ca49e45d3eb5d353d681b96d611b267bd80b64bd3f6
[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" "0b218aec42a8bb69fc5d5ca49e45d3eb5d353d681b96d611b267bd80b64bd3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rand_core v0.4.2
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[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling gluon_codegen v0.9.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking codespan v0.1.3
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]    Compiling codespan-reporting v0.1.4
[INFO] [stderr]    Compiling gluon_base v0.9.4
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking gluon_check v0.9.4
[INFO] [stderr]    Compiling gluon v0.9.4
[INFO] [stderr]    Compiling falcon_capstone v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/stack.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 493 | impl<'a: 'b, 'b, S> StackFrame<'b, S>
[INFO] [stdout]     |              -- lifetime `'b` defined here
[INFO] [stdout] ...
[INFO] [stdout] 502 |         self.stack
[INFO] [stdout]     |         ^^^^^^^^^^ returning this value requires that `*self.stack` is borrowed for `'b`
[INFO] [stdout] 503 |     }
[INFO] [stdout]     |     - here, drop of `self` needs exclusive access to `*self.stack`, because the type `stack::StackFrame<'_, S>` implements the `Drop` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/stack.rs:584:28
[INFO] [stdout]     |
[INFO] [stdout] 493 | impl<'a: 'b, 'b, S> StackFrame<'b, S>
[INFO] [stdout]     |              -- lifetime `'b` defined here
[INFO] [stdout] ...
[INFO] [stdout] 584 |                 return Err(self.stack);
[INFO] [stdout]     |                        ----^^^^^^^^^^- returning this value requires that `*self.stack` is borrowed for `'b`
[INFO] [stdout] ...
[INFO] [stdout] 608 |     }
[INFO] [stdout]     |     - here, drop of `self` needs exclusive access to `*self.stack`, because the type `stack::StackFrame<'_, S>` implements the `Drop` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self.thread` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/thread.rs:1398:19
[INFO] [stdout]      |
[INFO] [stdout] 1397 |         } = **self;
[INFO] [stdout]      |              ----- mutable borrow occurs here
[INFO] [stdout] 1398 |         alloc(gc, self.thread, &stack, data)
[INFO] [stdout]      |                   ^^^^^^^^^^^  ------ mutable borrow later used here
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self.thread` as immutable because it is also borrowed as mutable
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gluon_vm-0.9.4/src/thread.rs:1717:21
[INFO] [stdout]      |
[INFO] [stdout] 1714 |       fn borrow_mut(&mut self) -> ExecuteContext<State> {
[INFO] [stdout]      |                     - let's call the lifetime of this reference `'1`
[INFO] [stdout] 1715 |           let context = &mut **self;
[INFO] [stdout]      |                               ----- mutable borrow occurs here
[INFO] [stdout] 1716 | /         ExecuteContext {
[INFO] [stdout] 1717 | |             thread: self.thread,
[INFO] [stdout]      | |                     ^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stdout] 1718 | |             gc: &mut context.gc,
[INFO] [stdout] 1719 | |             stack: StackFrame::current(&mut context.stack),
[INFO] [stdout] 1720 | |             hook: &mut context.hook,
[INFO] [stdout] 1721 | |         }
[INFO] [stdout]      | |_________- returning this value requires that `*self` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0502, E0713.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gluon_vm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0b218aec42a8bb69fc5d5ca49e45d3eb5d353d681b96d611b267bd80b64bd3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b218aec42a8bb69fc5d5ca49e45d3eb5d353d681b96d611b267bd80b64bd3f6", kill_on_drop: false }`
[INFO] [stdout] 0b218aec42a8bb69fc5d5ca49e45d3eb5d353d681b96d611b267bd80b64bd3f6
