[INFO] fetching crate essrpc 0.3.0...
[INFO] checking essrpc-0.3.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate essrpc 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate essrpc 0.3.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate essrpc 0.3.0
[INFO] finished tweaking crates.io crate essrpc 0.3.0
[INFO] tweaked toml for crates.io crate essrpc 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded essrpc_macros v0.3.0
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded rand_jitter v0.1.4
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded rand_isaac v0.1.1
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded pin-project v1.0.1
[INFO] [stderr]   Downloaded pin-project-internal v1.0.1
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45b187051a3b7b631511dc4af1e108766c2d22b81e3e14ac4221e74cfa39165a
[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" "45b187051a3b7b631511dc4af1e108766c2d22b81e3e14ac4221e74cfa39165a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b187051a3b7b631511dc4af1e108766c2d22b81e3e14ac4221e74cfa39165a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b187051a3b7b631511dc4af1e108766c2d22b81e3e14ac4221e74cfa39165a", kill_on_drop: false }`
[INFO] [stdout] 45b187051a3b7b631511dc4af1e108766c2d22b81e3e14ac4221e74cfa39165a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8659cc745cfd7e3965cf7757ca27a3e415a156bd9a3b6caae07b863334ed116e
[INFO] running `Command { std: "docker" "start" "-a" "8659cc745cfd7e3965cf7757ca27a3e415a156bd9a3b6caae07b863334ed116e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling essrpc_macros v0.3.0
[INFO] [stderr]     Checking essrpc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use std::future::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use std::future::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `essrpc::transports::BincodeTransport`, `essrpc::transports::JSONTransport`
[INFO] [stdout]   --> tests/basic.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use essrpc::transports::{BincodeTransport, JSONTransport};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ no `JSONTransport` in `transports`
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          no `BincodeTransport` in `transports`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `essrpc::transports::BincodeAsyncClientTransport`, `essrpc::transports::BincodeTransport`, `essrpc::transports::JSONAsyncClientTransport`, `essrpc::transports::JSONTransport`
[INFO] [stdout]  --> tests/async.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     BincodeAsyncClientTransport, BincodeTransport, JSONAsyncClientTransport, JSONTransport,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ no `JSONTransport` in `transports`
[INFO] [stdout]   |     |                            |                 |
[INFO] [stdout]   |     |                            |                 no `JSONAsyncClientTransport` in `transports`
[INFO] [stdout]   |     |                            no `BincodeTransport` in `transports`
[INFO] [stdout]   |     no `BincodeAsyncClientTransport` in `transports`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/async.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{executor::block_on};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `essrpc::AsyncRPCClient`
[INFO] [stdout]  --> tests/async.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use essrpc::{AsyncRPCClient, RPCError, RPCServer};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^ no `AsyncRPCClient` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]   --> tests/async.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[essrpc(async, sync)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ no external crate `futures`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsyncClientTransport` in crate `essrpc`
[INFO] [stdout]    --> tests/async.rs:33:1
[INFO] [stdout]     |
[INFO] [stdout] 33  | #[essrpc(async, sync)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^ help: a trait with a similar name exists: `ClientTransport`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub trait ClientTransport {
[INFO] [stdout]     | ------------------------- similarly named trait `ClientTransport` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsyncRPCClient` in crate `essrpc`
[INFO] [stdout]   --> tests/async.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[essrpc(async, sync)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ not found in `essrpc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `BoxFuture` in crate `essrpc`
[INFO] [stdout]    --> tests/async.rs:33:1
[INFO] [stdout]     |
[INFO] [stdout] 33  |   #[essrpc(async, sync)]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^ help: a trait with a similar name exists: `Future`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/async.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     match block_on(foo.bar("the answer".to_string(), 42)) {
[INFO] [stdout]    |           ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/async.rs:70:11
[INFO] [stdout]    |
[INFO] [stdout] 70 |     match block_on(foo.bar("the answer".to_string(), 42)) {
[INFO] [stdout]    |           ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `essrpc`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[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" "8659cc745cfd7e3965cf7757ca27a3e415a156bd9a3b6caae07b863334ed116e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8659cc745cfd7e3965cf7757ca27a3e415a156bd9a3b6caae07b863334ed116e", kill_on_drop: false }`
[INFO] [stdout] 8659cc745cfd7e3965cf7757ca27a3e415a156bd9a3b6caae07b863334ed116e