[INFO] cloning repository https://github.com/jveiga/dlog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jveiga/dlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fdlog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fdlog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 254163efe2f98965fad8b1865847da32f5615a09
[INFO] testing jveiga/dlog against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjveiga%2Fdlog" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jveiga/dlog on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jveiga/dlog
[INFO] finished tweaking git repo https://github.com/jveiga/dlog
[INFO] tweaked toml for git repo https://github.com/jveiga/dlog written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jveiga/dlog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6da25c3e86ad8c13f45d18f09820f66e05e3e73a80481947b665c8aab43fd2d
[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" "f6da25c3e86ad8c13f45d18f09820f66e05e3e73a80481947b665c8aab43fd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6da25c3e86ad8c13f45d18f09820f66e05e3e73a80481947b665c8aab43fd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6da25c3e86ad8c13f45d18f09820f66e05e3e73a80481947b665c8aab43fd2d", kill_on_drop: false }`
[INFO] [stdout] f6da25c3e86ad8c13f45d18f09820f66e05e3e73a80481947b665c8aab43fd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64800e5ec6db026f0c3f29fa831dfcefc45b5284fa9791f6e900ae1d1721cb30
[INFO] running `Command { std: "docker" "start" "-a" "64800e5ec6db026f0c3f29fa831dfcefc45b5284fa9791f6e900ae1d1721cb30", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.7
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]    Compiling http-types v2.6.0
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling route-recognizer v0.2.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling block-cipher v0.7.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling async-io v1.1.10
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aes-soft v0.4.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling polyval v0.4.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling hkdf v0.9.0
[INFO] [stderr]    Compiling aes v0.4.0
[INFO] [stderr]    Compiling byte-pool v0.2.2
[INFO] [stderr]    Compiling aes-gcm v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.6.1/src/lib.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |             .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] 107 ~         let tags = Iterator::intersperse(field
[INFO] [stdout] 108 +             .tags()
[INFO] [stdout] 109 +             .into_iter()
[INFO] [stdout] 110 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 111 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 112 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 107 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 108 +             .tags()
[INFO] [stdout] 109 +             .into_iter()
[INFO] [stdout] 110 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 111 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 112 +         $crate::quote_each_token!(_s $($tt)*);
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "64800e5ec6db026f0c3f29fa831dfcefc45b5284fa9791f6e900ae1d1721cb30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64800e5ec6db026f0c3f29fa831dfcefc45b5284fa9791f6e900ae1d1721cb30", kill_on_drop: false }`
[INFO] [stdout] 64800e5ec6db026f0c3f29fa831dfcefc45b5284fa9791f6e900ae1d1721cb30