[INFO] cloning repository https://github.com/gruberb/ynab_doctor_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gruberb/ynab_doctor_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgruberb%2Fynab_doctor_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgruberb%2Fynab_doctor_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62ade82c6c2f0c95a2232c3c1264feed9f99b62d
[INFO] testing gruberb/ynab_doctor_rust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgruberb%2Fynab_doctor_rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gruberb/ynab_doctor_rust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gruberb/ynab_doctor_rust
[INFO] finished tweaking git repo https://github.com/gruberb/ynab_doctor_rust
[INFO] tweaked toml for git repo https://github.com/gruberb/ynab_doctor_rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gruberb/ynab_doctor_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.2
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.2
[INFO] [stderr]   Downloaded serde_qs v0.4.5
[INFO] [stderr]   Downloaded basic-cookies v0.1.3
[INFO] [stderr]   Downloaded path-table v1.0.0
[INFO] [stderr]   Downloaded tide v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2b6c79890ec2a083e2f56cc4ebc24f4aa9ee4a7d6df344b2c485a6cd3f5a1b2
[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" "b2b6c79890ec2a083e2f56cc4ebc24f4aa9ee4a7d6df344b2c485a6cd3f5a1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2b6c79890ec2a083e2f56cc4ebc24f4aa9ee4a7d6df344b2c485a6cd3f5a1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b6c79890ec2a083e2f56cc4ebc24f4aa9ee4a7d6df344b2c485a6cd3f5a1b2", kill_on_drop: false }`
[INFO] [stdout] b2b6c79890ec2a083e2f56cc4ebc24f4aa9ee4a7d6df344b2c485a6cd3f5a1b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b820bc89fa93e19c39d6ddefe5aa6acb93a36e6664d1f64431b4cfa885aecd
[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" "c1b820bc89fa93e19c39d6ddefe5aa6acb93a36e6664d1f64431b4cfa885aecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling path-table v1.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.13
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[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] [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]    Compiling rand_pcg v0.1.1
[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]    Compiling parking_lot_core v0.4.0
[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: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]    Compiling rand_chacha v0.1.1
[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] 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" "c1b820bc89fa93e19c39d6ddefe5aa6acb93a36e6664d1f64431b4cfa885aecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b820bc89fa93e19c39d6ddefe5aa6acb93a36e6664d1f64431b4cfa885aecd", kill_on_drop: false }`
[INFO] [stdout] c1b820bc89fa93e19c39d6ddefe5aa6acb93a36e6664d1f64431b4cfa885aecd