[INFO] fetching crate luos_memory_sandbox 0.0.1...
[INFO] checking luos_memory_sandbox-0.0.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate luos_memory_sandbox 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate luos_memory_sandbox 0.0.1 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luos_memory_sandbox 0.0.1
[INFO] finished tweaking crates.io crate luos_memory_sandbox 0.0.1
[INFO] tweaked toml for crates.io crate luos_memory_sandbox 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bebca44b308603566cbb6550bd431090d0dfadf090999b65c00df25e8e6e430
[INFO] running `Command { std: "docker" "start" "-a" "7bebca44b308603566cbb6550bd431090d0dfadf090999b65c00df25e8e6e430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bebca44b308603566cbb6550bd431090d0dfadf090999b65c00df25e8e6e430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bebca44b308603566cbb6550bd431090d0dfadf090999b65c00df25e8e6e430", kill_on_drop: false }`
[INFO] [stdout] 7bebca44b308603566cbb6550bd431090d0dfadf090999b65c00df25e8e6e430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c656db7470e17ec44ef567d5150af3c09a21c7767a7700204989b49a377a51c9
[INFO] running `Command { std: "docker" "start" "-a" "c656db7470e17ec44ef567d5150af3c09a21c7767a7700204989b49a377a51c9", kill_on_drop: false }`
[INFO] [stderr]     Checking luos_memory_sandbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(const_fn, const_let)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(const_fn, const_let)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::alloc::Alloc`, `std::alloc::AllocErr`
[INFO] [stdout]  --> src/mem_sandbox.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::{Alloc, GlobalAlloc, Layout, AllocErr};    
[INFO] [stdout]   |                  ^^^^^ no `Alloc` in `alloc` ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::{alloc, GlobalAlloc, Layout, AllocErr};    
[INFO] [stdout]   |                  ~~~~~
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::{Alloc, GlobalAlloc, Layout, AllocError};    
[INFO] [stdout]   |                                              ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_let` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(const_fn, const_let)]
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(int_to_from_bytes)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_offset_from` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(ptr_offset_from)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::alloc::Alloc`, `std::alloc::AllocErr`
[INFO] [stdout]  --> src/mem_sandbox.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::{Alloc, GlobalAlloc, Layout, AllocErr};    
[INFO] [stdout]   |                  ^^^^^ no `Alloc` in `alloc` ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::{alloc, GlobalAlloc, Layout, AllocErr};    
[INFO] [stdout]   |                  ~~~~~
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::{Alloc, GlobalAlloc, Layout, AllocError};    
[INFO] [stdout]   |                                              ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stdout]    --> src/mem_sandbox.rs:266:22
[INFO] [stdout]     |
[INFO] [stdout] 266 |     use std::alloc::{Alloc, Layout};
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      no `Alloc` in `alloc`
[INFO] [stdout]     |                      help: a similar name exists in the module: `alloc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]             crate::mem_sandbox::Alloc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stdout]    --> src/mem_sandbox.rs:332:22
[INFO] [stdout]     |
[INFO] [stdout] 332 |     use std::alloc::{Alloc, Layout};
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      no `Alloc` in `alloc`
[INFO] [stdout]     |                      help: a similar name exists in the module: `alloc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]             crate::mem_sandbox::Alloc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stdout]    --> src/mem_sandbox.rs:358:22
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use std::alloc::{Alloc, Layout};
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      no `Alloc` in `alloc`
[INFO] [stdout]     |                      help: a similar name exists in the module: `alloc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]             crate::mem_sandbox::Alloc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_let` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(const_fn, const_let)]
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(int_to_from_bytes)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_offset_from` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(ptr_offset_from)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `luos_memory_sandbox` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `luos_memory_sandbox` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c656db7470e17ec44ef567d5150af3c09a21c7767a7700204989b49a377a51c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c656db7470e17ec44ef567d5150af3c09a21c7767a7700204989b49a377a51c9", kill_on_drop: false }`
[INFO] [stdout] c656db7470e17ec44ef567d5150af3c09a21c7767a7700204989b49a377a51c9
