[INFO] cloning repository https://github.com/slysherz/polar-send-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slysherz/polar-send-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslysherz%2Fpolar-send-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslysherz%2Fpolar-send-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b58435a8da9569312c8f20cbbf190f81d3e997b7
[INFO] testing slysherz/polar-send-training against beta-2021-09-12 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslysherz%2Fpolar-send-training" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slysherz/polar-send-training on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slysherz/polar-send-training
[INFO] finished tweaking git repo https://github.com/slysherz/polar-send-training
[INFO] tweaked toml for git repo https://github.com/slysherz/polar-send-training written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/slysherz/polar-send-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/saurvs/nfd-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/mlabbe/nativefiledialog`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e13671bebe0f40f339336ae345a824a47332940a1edf15483723b8f1d0c39f4
[INFO] running `Command { std: "docker" "start" "-a" "6e13671bebe0f40f339336ae345a824a47332940a1edf15483723b8f1d0c39f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e13671bebe0f40f339336ae345a824a47332940a1edf15483723b8f1d0c39f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e13671bebe0f40f339336ae345a824a47332940a1edf15483723b8f1d0c39f4", kill_on_drop: false }`
[INFO] [stdout] 6e13671bebe0f40f339336ae345a824a47332940a1edf15483723b8f1d0c39f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2220e2028fed970a70c711d405d7faf934eaaaf0b64e59f80eb85ded665105e
[INFO] running `Command { std: "docker" "start" "-a" "b2220e2028fed970a70c711d405d7faf934eaaaf0b64e59f80eb85ded665105e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling polar-prost v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling nfd v0.0.4 (https://github.com/saurvs/nfd-rs.git#07578c5f)
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libusb1-sys v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling rusb v0.5.2
[INFO] [stderr]    Compiling simplelog v0.7.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.5.0/src/lib.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .intersperse(quote!(|));
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 110 ~         let tags = Iterator::intersperse(field
[INFO] [stdout] 111 +             .tags()
[INFO] [stdout] 112 +             .into_iter()
[INFO] [stdout] 113 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 114 +         let mut _s = $crate::__rt::TokenStream::new();
[INFO] [stdout] 115 +         let _span = $span;
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 110 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 111 +             .tags()
[INFO] [stdout] 112 +             .into_iter()
[INFO] [stdout] 113 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 114 +         let mut _s = $crate::__rt::TokenStream::new();
[INFO] [stdout] 115 +         let _span = $span;
[INFO] [stdout]   ...
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-derive` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b2220e2028fed970a70c711d405d7faf934eaaaf0b64e59f80eb85ded665105e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2220e2028fed970a70c711d405d7faf934eaaaf0b64e59f80eb85ded665105e", kill_on_drop: false }`
[INFO] [stdout] b2220e2028fed970a70c711d405d7faf934eaaaf0b64e59f80eb85ded665105e