[INFO] fetching crate rmp-serde 1.0.0...
[INFO] testing rmp-serde-1.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rmp-serde 1.0.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate rmp-serde 1.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmp-serde 1.0.0
[INFO] finished tweaking crates.io crate rmp-serde 1.0.0
[INFO] tweaked toml for crates.io crate rmp-serde 1.0.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3057ab833fbd8ba0457c22cbcb9481ed2eb8e1a91c962d0a15c9d42a8938442f
[INFO] running `Command { std: "docker" "start" "-a" "3057ab833fbd8ba0457c22cbcb9481ed2eb8e1a91c962d0a15c9d42a8938442f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3057ab833fbd8ba0457c22cbcb9481ed2eb8e1a91c962d0a15c9d42a8938442f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3057ab833fbd8ba0457c22cbcb9481ed2eb8e1a91c962d0a15c9d42a8938442f", kill_on_drop: false }`
[INFO] [stdout] 3057ab833fbd8ba0457c22cbcb9481ed2eb8e1a91c962d0a15c9d42a8938442f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16efdb80948aee795882df3e0799d40143c9a2b10eb9b7129e2b7a88bbd29c78
[INFO] running `Command { std: "docker" "start" "-a" "16efdb80948aee795882df3e0799d40143c9a2b10eb9b7129e2b7a88bbd29c78", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling rmp-serde v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]    --> src/decode.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     config: C,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "16efdb80948aee795882df3e0799d40143c9a2b10eb9b7129e2b7a88bbd29c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16efdb80948aee795882df3e0799d40143c9a2b10eb9b7129e2b7a88bbd29c78", kill_on_drop: false }`
[INFO] [stdout] 16efdb80948aee795882df3e0799d40143c9a2b10eb9b7129e2b7a88bbd29c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d47ecadebbadaf311afd89766751b9941d22b27333aa8e1da33f11186e3db0c
[INFO] running `Command { std: "docker" "start" "-a" "2d47ecadebbadaf311afd89766751b9941d22b27333aa8e1da33f11186e3db0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]    --> src/decode.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     config: C,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rmp-serde v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rmpv`
[INFO] [stdout]    --> tests/round.rs:649:17
[INFO] [stdout]     |
[INFO] [stdout] 649 |                 rmpv::decode::value::read_value(&mut serialized.as_slice())
[INFO] [stdout]     |                 ^^^^ use of undeclared crate or module `rmpv`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 649 |                 rmp::decode::value::read_value(&mut serialized.as_slice())
[INFO] [stdout]     |                 ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config`
[INFO] [stdout]    --> src/decode.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     config: C,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmp-serde` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2d47ecadebbadaf311afd89766751b9941d22b27333aa8e1da33f11186e3db0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d47ecadebbadaf311afd89766751b9941d22b27333aa8e1da33f11186e3db0c", kill_on_drop: false }`
[INFO] [stdout] 2d47ecadebbadaf311afd89766751b9941d22b27333aa8e1da33f11186e3db0c