[INFO] crate amp-async 0.1.2 is already in cache
[INFO] checking amp-async-0.1.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate amp-async 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate amp-async 0.1.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate amp-async 0.1.2
[INFO] finished tweaking crates.io crate amp-async 0.1.2
[INFO] tweaked toml for crates.io crate amp-async 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate amp-async 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 43319000fba0492033ae87e62a259443f1bbef010ec23daea4481ef1ec4159af
[INFO] running `"docker" "start" "-a" "43319000fba0492033ae87e62a259443f1bbef010ec23daea4481ef1ec4159af"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking tokio v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking amp-async v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `tokio::codec`
[INFO] [stderr]    --> src/codecs.rs:166:16
[INFO] [stderr]     |
[INFO] [stderr] 166 |     use tokio::codec::{Decoder, Encoder};
[INFO] [stderr]     |                ^^^^^ could not find `codec` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `decode` found for struct `codecs::Codec<std::vec::Vec<_>>` in the current scope
[INFO] [stderr]    --> src/codecs.rs:186:27
[INFO] [stderr]     |
[INFO] [stderr] 11  | pub struct Codec<D = Vec<(Bytes, Bytes)>> {
[INFO] [stderr]     | ----------------------------------------- method `decode` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 186 |         let frame = codec.decode(&mut buf).unwrap().unwrap();
[INFO] [stderr]     |                           ^^^^^^ method not found in `codecs::Codec<std::vec::Vec<_>>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-util-0.2.0/src/codec/decoder.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error>;
[INFO] [stderr]     |        ------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<codecs::Codec<std::vec::Vec<_>>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<codecs::Codec<std::vec::Vec<_>>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<codecs::Codec<std::vec::Vec<_>>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use tokio_util::codec::decoder::Decoder;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `encode` found for struct `codecs::Codec<_>` in the current scope
[INFO] [stderr]    --> src/codecs.rs:204:15
[INFO] [stderr]     |
[INFO] [stderr] 11  | pub struct Codec<D = Vec<(Bytes, Bytes)>> {
[INFO] [stderr]     | ----------------------------------------- method `encode` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 204 |         codec.encode(WWW_EXAMPLE_DEC.to_vec(), &mut buf).unwrap();
[INFO] [stderr]     |               ^^^^^^ method not found in `codecs::Codec<_>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-util-0.2.0/src/codec/encoder.rs:21:8
[INFO] [stderr]     |
[INFO] [stderr] 21  |     fn encode(&mut self, item: Self::Item, dst: &mut BytesMut) -> Result<(), Self::Error>;
[INFO] [stderr]     |        ------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<codecs::Codec<_>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<codecs::Codec<_>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<codecs::Codec<_>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use tokio_util::codec::encoder::Encoder;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `amp-async`.
[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" "43319000fba0492033ae87e62a259443f1bbef010ec23daea4481ef1ec4159af"`
[INFO] running `"docker" "rm" "-f" "43319000fba0492033ae87e62a259443f1bbef010ec23daea4481ef1ec4159af"`
[INFO] [stdout] 43319000fba0492033ae87e62a259443f1bbef010ec23daea4481ef1ec4159af
