[INFO] fetching crate muta-codec-derive 0.2.2...
[INFO] testing muta-codec-derive-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate muta-codec-derive 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate muta-codec-derive 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] finished tweaking crates.io crate muta-codec-derive 0.2.2
[INFO] tweaked toml for crates.io crate muta-codec-derive 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate muta-codec-derive 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a37c6884944dbd526cc4445490ff1a6461923cebc8dd37e9b506bc0941b675a1
[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" "a37c6884944dbd526cc4445490ff1a6461923cebc8dd37e9b506bc0941b675a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a37c6884944dbd526cc4445490ff1a6461923cebc8dd37e9b506bc0941b675a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37c6884944dbd526cc4445490ff1a6461923cebc8dd37e9b506bc0941b675a1", kill_on_drop: false }`
[INFO] [stdout] a37c6884944dbd526cc4445490ff1a6461923cebc8dd37e9b506bc0941b675a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 805446afe3bd8cda26bbacaae2080ef5576747b016374d93a92f7ec15e10f70a
[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" "805446afe3bd8cda26bbacaae2080ef5576747b016374d93a92f7ec15e10f70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling muta-codec-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.46s
[INFO] running `Command { std: "docker" "inspect" "805446afe3bd8cda26bbacaae2080ef5576747b016374d93a92f7ec15e10f70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805446afe3bd8cda26bbacaae2080ef5576747b016374d93a92f7ec15e10f70a", kill_on_drop: false }`
[INFO] [stdout] 805446afe3bd8cda26bbacaae2080ef5576747b016374d93a92f7ec15e10f70a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e0ce60a95a9e7f8fe60361b5f7818c58bd4e3e4c0c584087c7aad798a3c4f5
[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" "d1e0ce60a95a9e7f8fe60361b5f7818c58bd4e3e4c0c584087c7aad798a3c4f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling muta-codec-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `muta_protocol`
[INFO] [stdout]  --> examples/example.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use muta_protocol::fixed_codec::{FixedCodec, FixedCodecError};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `muta_protocol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `muta_protocol`
[INFO] [stdout]  --> examples/example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use muta_protocol::{Bytes, ProtocolResult};
[INFO] [stdout]   |     ^^^^^^^^^^^^^ use of undeclared crate or module `muta_protocol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FixedCodecError`
[INFO] [stdout]  --> examples/example.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Clone, Debug, RlpFixedCodec)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ use of undeclared type `FixedCodecError`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FixedCodec` in this scope
[INFO] [stdout]  --> examples/example.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Clone, Debug, RlpFixedCodec)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `muta-codec-derive`
[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" "d1e0ce60a95a9e7f8fe60361b5f7818c58bd4e3e4c0c584087c7aad798a3c4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e0ce60a95a9e7f8fe60361b5f7818c58bd4e3e4c0c584087c7aad798a3c4f5", kill_on_drop: false }`
[INFO] [stdout] d1e0ce60a95a9e7f8fe60361b5f7818c58bd4e3e4c0c584087c7aad798a3c4f5