[INFO] cloning repository https://github.com/woodsmur/tide_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodsmur/tide_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 704149e7bfa6b523f02ebdc5a59ced24346352bf
[INFO] checking woodsmur/tide_tutorial against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodsmur/tide_tutorial on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woodsmur/tide_tutorial
[INFO] finished tweaking git repo https://github.com/woodsmur/tide_tutorial
[INFO] tweaked toml for git repo https://github.com/woodsmur/tide_tutorial written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/woodsmur/tide_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f146b3e908596b9e5ca7b0001d6015ce47971b949b9a1a660e0f780d763a0880
[INFO] running `Command { std: "docker" "start" "-a" "f146b3e908596b9e5ca7b0001d6015ce47971b949b9a1a660e0f780d763a0880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f146b3e908596b9e5ca7b0001d6015ce47971b949b9a1a660e0f780d763a0880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f146b3e908596b9e5ca7b0001d6015ce47971b949b9a1a660e0f780d763a0880", kill_on_drop: false }`
[INFO] [stdout] f146b3e908596b9e5ca7b0001d6015ce47971b949b9a1a660e0f780d763a0880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b32013be54eed33e883799f68e92196cb1347d06cbd53e19f389d42daf60d715
[INFO] running `Command { std: "docker" "start" "-a" "b32013be54eed33e883799f68e92196cb1347d06cbd53e19f389d42daf60d715", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling lalrpop-util v0.16.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.3
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking path_table v0.0.0 (https://github.com/rust-net-web/tide#e1f5c324)
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.10
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stdout] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/future/future_obj.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     task::{LocalWaker, Poll},
[INFO] [stdout]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/task/mod.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stdout]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stdout]   |                                   |
[INFO] [stdout]   |                                   no `LocalWaker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/task/mod.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stdout]    |                           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `local_waker` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stdout] error[E0599]: no function or associated item named `get_mut_unchecked` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/future/future_obj.rs:176:45
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^ function or associated item not found in `std::pin::Pin<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `get_mut_unchecked` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/future/future_obj.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |             let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^ function or associated item not found in `std::pin::Pin<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `P` cannot be unpinned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/mod.rs:83:22
[INFO] [stdout]     |
[INFO] [stdout] 83  |         Pin::get_mut(self).as_mut().poll_next(lw)
[INFO] [stdout]     |                      ^^^^ within `std::pin::Pin<P>`, the trait `std::marker::Unpin` is not implemented for `P`
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `Box::pin`
[INFO] [stdout]     = note: required because it appears within the type `std::pin::Pin<P>`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 74  |     P: ops::DerefMut + std::marker::Unpin,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `get_mut_unchecked` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/mod.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 |             match Pin::get_mut_unchecked(self) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ function or associated item not found in `std::pin::Pin<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_next` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/mod.rs:97:58
[INFO] [stdout]     |
[INFO] [stdout] 56  |         self: Pin<&mut Self>,
[INFO] [stdout]     |               -------------- the method might not be found because of this arbitrary self type
[INFO] [stdout] ...
[INFO] [stdout] 97  |                 Either::Left(a) => Pin::new_unchecked(a).poll_next(lw),
[INFO] [stdout]     |                                                          ^^^^^^^^^ method not found in `std::pin::Pin<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Pin::new_unchecked(a)` is a function, perhaps you wish to call it
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `stream_obj::UnsafeStreamObj` defines an item `poll_next`, perhaps you need to implement it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/stream_obj.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub unsafe trait UnsafeStreamObj<'a, T>: 'a {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_next` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/mod.rs:98:59
[INFO] [stdout]     |
[INFO] [stdout] 56  |         self: Pin<&mut Self>,
[INFO] [stdout]     |               -------------- the method might not be found because of this arbitrary self type
[INFO] [stdout] ...
[INFO] [stdout] 98  |                 Either::Right(b) => Pin::new_unchecked(b).poll_next(lw),
[INFO] [stdout]     |                                                           ^^^^^^^^^ method not found in `std::pin::Pin<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Pin::new_unchecked(b)` is a function, perhaps you wish to call it
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `stream_obj::UnsafeStreamObj` defines an item `poll_next`, perhaps you need to implement it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/stream_obj.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub unsafe trait UnsafeStreamObj<'a, T>: 'a {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `get_mut_unchecked` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/stream_obj.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         unsafe { Pin::get_mut_unchecked(self) as *mut F as *mut () }
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ function or associated item not found in `std::pin::Pin<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `get_mut_unchecked` found for struct `std::pin::Pin<_>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.10/src/stream/stream_obj.rs:218:49
[INFO] [stdout]     |
[INFO] [stdout] 218 |             let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^ function or associated item not found in `std::pin::Pin<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[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" "b32013be54eed33e883799f68e92196cb1347d06cbd53e19f389d42daf60d715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32013be54eed33e883799f68e92196cb1347d06cbd53e19f389d42daf60d715", kill_on_drop: false }`
[INFO] [stdout] b32013be54eed33e883799f68e92196cb1347d06cbd53e19f389d42daf60d715