[INFO] fetching crate say-number 1.0.0...
[INFO] testing say-number-1.0.0 against beta-2021-09-12 for beta-1.56-2
[INFO] extracting crate say-number 1.0.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate say-number 1.0.0 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 say-number 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate say-number 1.0.0
[INFO] tweaked toml for crates.io crate say-number 1.0.0 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 9a85bdbc51dfdb7f39471ad54a3af0b720ee2520457ad5fcd841ed304e0a8142
[INFO] running `Command { std: "docker" "start" "-a" "9a85bdbc51dfdb7f39471ad54a3af0b720ee2520457ad5fcd841ed304e0a8142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a85bdbc51dfdb7f39471ad54a3af0b720ee2520457ad5fcd841ed304e0a8142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a85bdbc51dfdb7f39471ad54a3af0b720ee2520457ad5fcd841ed304e0a8142", kill_on_drop: false }`
[INFO] [stdout] 9a85bdbc51dfdb7f39471ad54a3af0b720ee2520457ad5fcd841ed304e0a8142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 62ade82c13842499579013e303b2b28544bd0ef691076b4888591371f9213835
[INFO] running `Command { std: "docker" "start" "-a" "62ade82c13842499579013e303b2b28544bd0ef691076b4888591371f9213835", kill_on_drop: false }`
[INFO] [stderr]    Compiling say-number v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/english.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |     ret.iter().rev().map(|s| *s).intersperse(" ").collect()
[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] 84 |     Iterator::intersperse(ret.iter().rev().map(|s| *s), " ").collect()
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 84 |     Itertools::intersperse(ret.iter().rev().map(|s| *s), " ").collect()
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/vietnamese.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |     ret.iter().rev().map(|s| *s).intersperse(" ").collect()
[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] 39 |     Iterator::intersperse(ret.iter().rev().map(|s| *s), " ").collect()
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Itertools::intersperse(ret.iter().rev().map(|s| *s), " ").collect()
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/english.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/vietnamese.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `say-number` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "62ade82c13842499579013e303b2b28544bd0ef691076b4888591371f9213835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ade82c13842499579013e303b2b28544bd0ef691076b4888591371f9213835", kill_on_drop: false }`
[INFO] [stdout] 62ade82c13842499579013e303b2b28544bd0ef691076b4888591371f9213835