[INFO] cloning repository https://github.com/mrZalli/roller_repl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrZalli/roller_repl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrZalli%2Froller_repl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrZalli%2Froller_repl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11c084620280e244871c340af0a6a4a5a3d66fd1
[INFO] testing mrZalli/roller_repl 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%2FmrZalli%2Froller_repl" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrZalli/roller_repl 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/mrZalli/roller_repl
[INFO] finished tweaking git repo https://github.com/mrZalli/roller_repl
[INFO] tweaked toml for git repo https://github.com/mrZalli/roller_repl written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/mrZalli/roller_repl 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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 3be160d409e45aa9baa30298f79eb915daaed92069486ddeee8cbfb0c09bcdab
[INFO] running `Command { std: "docker" "start" "-a" "3be160d409e45aa9baa30298f79eb915daaed92069486ddeee8cbfb0c09bcdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3be160d409e45aa9baa30298f79eb915daaed92069486ddeee8cbfb0c09bcdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be160d409e45aa9baa30298f79eb915daaed92069486ddeee8cbfb0c09bcdab", kill_on_drop: false }`
[INFO] [stdout] 3be160d409e45aa9baa30298f79eb915daaed92069486ddeee8cbfb0c09bcdab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] [stdout] a6c4df5429565fdd60a7eb59eb0a2614872556d65ee3a89ee3d502dc0591337c
[INFO] running `Command { std: "docker" "start" "-a" "a6c4df5429565fdd60a7eb59eb0a2614872556d65ee3a89ee3d502dc0591337c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling fixedbitset v0.1.7
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ordermap v0.2.11
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling diff v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]    Compiling lalrpop-intern v0.14.0
[INFO] [stderr]    Compiling lalrpop-util v0.14.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling petgraph v0.4.5
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling num-complex v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling lalrpop-snap v0.14.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-snap-0.14.0/src/message/horiz.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |                   .intersperse(self.separate)
[INFO] [stdout]    |                    ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::iter::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] 22 ~         Iterator::intersperse(self.items.iter()
[INFO] [stdout] 23 +                   .map(|c| c.min_width()), self.separate)
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 22 ~         Itertools::intersperse(self.items.iter()
[INFO] [stdout] 23 +                   .map(|c| c.min_width()), self.separate)
[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 `lalrpop-snap` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a6c4df5429565fdd60a7eb59eb0a2614872556d65ee3a89ee3d502dc0591337c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c4df5429565fdd60a7eb59eb0a2614872556d65ee3a89ee3d502dc0591337c", kill_on_drop: false }`
[INFO] [stdout] a6c4df5429565fdd60a7eb59eb0a2614872556d65ee3a89ee3d502dc0591337c