[INFO] cloning repository https://github.com/haposan/stctrl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haposan/stctrl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaposan%2Fstctrl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaposan%2Fstctrl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1d98437f492fa9e8c186144545dedb08e179a23
[INFO] checking haposan/stctrl against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaposan%2Fstctrl" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haposan/stctrl on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haposan/stctrl
[INFO] finished tweaking git repo https://github.com/haposan/stctrl
[INFO] tweaked toml for git repo https://github.com/haposan/stctrl written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/haposan/stctrl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/freedomlayer/offst`
[INFO] [stderr]     Updating git repository `https://github.com/freedomlayer/ring`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded sized-chunks v0.1.2
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded atomicwrites v0.2.2
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.13
[INFO] [stderr]   Downloaded capnpc v0.9.3
[INFO] [stderr]   Downloaded capnp v0.9.4
[INFO] [stderr]   Downloaded im v12.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82c3f04e5227ed9bd5b756640eb48e92aafef2161efd58ee19a06ecb78078551
[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" "82c3f04e5227ed9bd5b756640eb48e92aafef2161efd58ee19a06ecb78078551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c3f04e5227ed9bd5b756640eb48e92aafef2161efd58ee19a06ecb78078551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c3f04e5227ed9bd5b756640eb48e92aafef2161efd58ee19a06ecb78078551", kill_on_drop: false }`
[INFO] [stdout] 82c3f04e5227ed9bd5b756640eb48e92aafef2161efd58ee19a06ecb78078551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a55fbc08ef113dbc02285887843156a86e193c55f2655fc477f0005212a613
[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" "68a55fbc08ef113dbc02285887843156a86e193c55f2655fc477f0005212a613", 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] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.13
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]    Compiling ring v0.13.0-alpha4 (https://github.com/freedomlayer/ring?branch=real/version-0.13.0-alpha4#397cf4d1)
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(std::pin::Pin<&mut future_obj::LocalFutureObj<'a, T>>, &mut Context<'_>) -> std::task::Poll<_>`
[INFO] [stdout]               found fn pointer `fn(std::pin::Pin<&mut future_obj::LocalFutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `poll` has an incompatible type for trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn poll(self: Pin<&mut Self>, waker: &Waker) -> Poll<T> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(std::pin::Pin<&mut future_obj::FutureObj<'a, T>>, &mut Context<'_>) -> std::task::Poll<_>`
[INFO] [stdout]                found fn pointer `fn(std::pin::Pin<&mut future_obj::FutureObj<'a, T>>, &std::task::Waker) -> std::task::Poll<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/mod.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.poll(waker)
[INFO] [stdout]    |                   ^^^^^ types differ in mutability
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                       found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:118:44
[INFO] [stdout]     |
[INFO] [stdout] 118 |         LocalFutureObj::poll(pinned_field, waker)
[INFO] [stdout]     |                                            ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:165:20
[INFO] [stdout]     |
[INFO] [stdout] 165 |         F::poll(p, waker)
[INFO] [stdout]     |                    ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |         F::poll(future, waker)
[INFO] [stdout]     |                         ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:203:26
[INFO] [stdout]     |
[INFO] [stdout] 203 |             F::poll(pin, waker)
[INFO] [stdout]     |                          ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.13/src/future/future_obj.rs:225:26
[INFO] [stdout]     |
[INFO] [stdout] 225 |             F::poll(pin, waker)
[INFO] [stdout]     |                          ^^^^^ types differ in mutability
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut Context<'_>`
[INFO] [stdout]                        found reference `&std::task::Waker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr] error: could not compile `futures-core-preview`
[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" "68a55fbc08ef113dbc02285887843156a86e193c55f2655fc477f0005212a613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a55fbc08ef113dbc02285887843156a86e193c55f2655fc477f0005212a613", kill_on_drop: false }`
[INFO] [stdout] 68a55fbc08ef113dbc02285887843156a86e193c55f2655fc477f0005212a613