[INFO] fetching crate mvsync 1.1.0...
[INFO] checking mvsync-1.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate mvsync 1.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mvsync 1.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mvsync 1.1.0
[INFO] finished tweaking crates.io crate mvsync 1.1.0
[INFO] tweaked toml for crates.io crate mvsync 1.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mvutils-proc-macro v0.3.3
[INFO] [stderr]   Downloaded bytebuffer v2.2.0
[INFO] [stderr]   Downloaded mvutils v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e2553ec470a879b854035a4a44383d49d13f562c32be32e32edac7b1664889d
[INFO] running `Command { std: "docker" "start" "-a" "3e2553ec470a879b854035a4a44383d49d13f562c32be32e32edac7b1664889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2553ec470a879b854035a4a44383d49d13f562c32be32e32edac7b1664889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2553ec470a879b854035a4a44383d49d13f562c32be32e32edac7b1664889d", kill_on_drop: false }`
[INFO] [stdout] 3e2553ec470a879b854035a4a44383d49d13f562c32be32e32edac7b1664889d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6126076c23daa32d7b1efdb2a9d05064968a74ecd07269d5b396a3557763781
[INFO] running `Command { std: "docker" "start" "-a" "f6126076c23daa32d7b1efdb2a9d05064968a74ecd07269d5b396a3557763781", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling mvutils-proc-macro v0.3.3
[INFO] [stderr]     Checking bytebuffer v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking mvutils v0.3.5
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mvutils`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mvutils-0.3.5/src/version.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Eq, PartialEq, Copy, Clone, Savable)]
[INFO] [stdout]   |                                      ^^^^^^^ use of undeclared crate or module `mvutils`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Savable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 1 + use crate::save;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mvutils`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mvutils-0.3.5/src/version.rs:8:38
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Eq, PartialEq, Copy, Clone, Savable)]
[INFO] [stdout]   |                                      ^^^^^^^ use of undeclared crate or module `mvutils`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Savable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 + use crate::save::Savable;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mvutils` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f6126076c23daa32d7b1efdb2a9d05064968a74ecd07269d5b396a3557763781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6126076c23daa32d7b1efdb2a9d05064968a74ecd07269d5b396a3557763781", kill_on_drop: false }`
[INFO] [stdout] f6126076c23daa32d7b1efdb2a9d05064968a74ecd07269d5b396a3557763781
