[INFO] fetching crate calculatrs 0.2.3...
[INFO] testing calculatrs-0.2.3 against beta-2021-09-12 for beta-1.56-2
[INFO] extracting crate calculatrs 0.2.3 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate calculatrs 0.2.3 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 crates.io crate calculatrs 0.2.3
[INFO] finished tweaking crates.io crate calculatrs 0.2.3
[INFO] tweaked toml for crates.io crate calculatrs 0.2.3 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate calculatrs 0.2.3 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]     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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] ffbc62ff3f9db63745e08f4874626349522f54d247f3e95b6a0c0d0ccf3eb107
[INFO] running `Command { std: "docker" "start" "-a" "ffbc62ff3f9db63745e08f4874626349522f54d247f3e95b6a0c0d0ccf3eb107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffbc62ff3f9db63745e08f4874626349522f54d247f3e95b6a0c0d0ccf3eb107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbc62ff3f9db63745e08f4874626349522f54d247f3e95b6a0c0d0ccf3eb107", kill_on_drop: false }`
[INFO] [stdout] ffbc62ff3f9db63745e08f4874626349522f54d247f3e95b6a0c0d0ccf3eb107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 6f5db6c3e884c93b50e1372c6a4b97f48b2b53fe9cc7a7ed9d0a198ee3a3f43c
[INFO] running `Command { std: "docker" "start" "-a" "6f5db6c3e884c93b50e1372c6a4b97f48b2b53fe9cc7a7ed9d0a198ee3a3f43c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.18.1/src/message/horiz.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .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] 19 ~         Iterator::intersperse(self.items
[INFO] [stdout] 20 +             .iter()
[INFO] [stdout] 21 +             .map(|c| c.min_width()), self.separate)
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 19 ~         Itertools::intersperse(self.items
[INFO] [stdout] 20 +             .iter()
[INFO] [stdout] 21 +             .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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6f5db6c3e884c93b50e1372c6a4b97f48b2b53fe9cc7a7ed9d0a198ee3a3f43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5db6c3e884c93b50e1372c6a4b97f48b2b53fe9cc7a7ed9d0a198ee3a3f43c", kill_on_drop: false }`
[INFO] [stdout] 6f5db6c3e884c93b50e1372c6a4b97f48b2b53fe9cc7a7ed9d0a198ee3a3f43c