[INFO] fetching crate rmp-serde 1.3.0...
[INFO] checking rmp-serde-1.3.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate rmp-serde 1.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rmp-serde 1.3.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmp-serde 1.3.0
[INFO] finished tweaking crates.io crate rmp-serde 1.3.0
[INFO] tweaked toml for crates.io crate rmp-serde 1.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e31e628a08450fd6e84a5dcbcf24076fc932f216face19dc97e47214a6823cb3
[INFO] running `Command { std: "docker" "start" "-a" "e31e628a08450fd6e84a5dcbcf24076fc932f216face19dc97e47214a6823cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e31e628a08450fd6e84a5dcbcf24076fc932f216face19dc97e47214a6823cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31e628a08450fd6e84a5dcbcf24076fc932f216face19dc97e47214a6823cb3", kill_on_drop: false }`
[INFO] [stdout] e31e628a08450fd6e84a5dcbcf24076fc932f216face19dc97e47214a6823cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94839b0bdc3c6fc97b088168923123d122a33c666b35637cb142a2371c70329e
[INFO] running `Command { std: "docker" "start" "-a" "94839b0bdc3c6fc97b088168923123d122a33c666b35637cb142a2371c70329e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking rmp-serde v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rmpv`
[INFO] [stdout]    --> tests/round.rs:757:17
[INFO] [stdout]     |
[INFO] [stdout] 757 |                 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] 757 |                 rmp::decode::value::read_value(&mut serialized.as_slice())
[INFO] [stdout]     |                 ~~~
[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` (test "round") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "94839b0bdc3c6fc97b088168923123d122a33c666b35637cb142a2371c70329e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94839b0bdc3c6fc97b088168923123d122a33c666b35637cb142a2371c70329e", kill_on_drop: false }`
[INFO] [stdout] 94839b0bdc3c6fc97b088168923123d122a33c666b35637cb142a2371c70329e