[INFO] updating cached repository https://github.com/kdar/rust-socket-activation
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf5103a3f2b2feb7dc86b29b576de13e1439b68a
[INFO] checking kdar/rust-socket-activation against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdar%2Frust-socket-activation" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kdar/rust-socket-activation on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kdar/rust-socket-activation
[INFO] finished tweaking git repo https://github.com/kdar/rust-socket-activation
[INFO] tweaked toml for git repo https://github.com/kdar/rust-socket-activation written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kdar/rust-socket-activation already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c03b56f06131b7419f260fdff82d1893a432268595e93f1c122d570675c05b6
[INFO] running `"docker" "start" "-a" "2c03b56f06131b7419f260fdff82d1893a432268595e93f1c122d570675c05b6"`
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]    Compiling libsystemd-sys v0.1.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]    Compiling mbox v0.4.1
[INFO] [stderr] error: unexpected token: `<-`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/mbox.rs:192:16
[INFO] [stderr]     |
[INFO] [stderr] 192 |         MALLOC <- value.clone()
[INFO] [stderr]     |                ^^
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stderr]     |
[INFO] [stderr] 192 |         MALLOC < - value.clone()
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `<-`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/placer.rs:96:46
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mbox: MBox<DropCounter> = MALLOC <- counter.clone();
[INFO] [stderr]    |                                              ^^
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mbox: MBox<DropCounter> = MALLOC < - counter.clone();
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `<-`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/placer.rs:107:39
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let _: MBox<DropCounter> = MALLOC <- panic!("should panic without crash");
[INFO] [stderr]     |                                       ^^
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to write a comparison against a negative value, add a space in between `<` and `-`
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let _: MBox<DropCounter> = MALLOC < - panic!("should panic without crash");
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr] error[E0432]: unresolved imports `std::ops::Placer`, `std::ops::Place`, `std::ops::InPlace`, `std::ops::BoxPlace`, `std::ops::Boxed`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/placer.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::ops::{Placer, Place, InPlace, BoxPlace, Boxed};
[INFO] [stderr]    |                ^^^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^  ^^^^^ no `Boxed` in `ops`
[INFO] [stderr]    |                |       |      |        |
[INFO] [stderr]    |                |       |      |        no `BoxPlace` in `ops`
[INFO] [stderr]    |                |       |      no `InPlace` in `ops`
[INFO] [stderr]    |                |       no `Place` in `ops`
[INFO] [stderr]    |                no `Placer` in `ops`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/internal.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[cfg(nightly_channel)] pub use std::ptr::Unique;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/mbox.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 | use internal::{Unique, gen_malloc, gen_realloc, gen_free};
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/mbox.rs:33:35
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct MBox<T: ?Sized + Free>(Unique<T>);
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mbox-0.4.1/src/mbox.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |         MBox(Unique::new_unchecked(ptr))
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `mbox`.
[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 `"docker" "inspect" "2c03b56f06131b7419f260fdff82d1893a432268595e93f1c122d570675c05b6"`
[INFO] running `"docker" "rm" "-f" "2c03b56f06131b7419f260fdff82d1893a432268595e93f1c122d570675c05b6"`
[INFO] [stdout] 2c03b56f06131b7419f260fdff82d1893a432268595e93f1c122d570675c05b6
