[INFO] cloning repository https://github.com/amy-keibler/rust_jni_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amy-keibler/rust_jni_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famy-keibler%2Frust_jni_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famy-keibler%2Frust_jni_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47083270edd4a7e35e8e07418a535b096b35c957
[INFO] testing amy-keibler/rust_jni_example 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%2Famy-keibler%2Frust_jni_example" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amy-keibler/rust_jni_example 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/amy-keibler/rust_jni_example
[INFO] finished tweaking git repo https://github.com/amy-keibler/rust_jni_example
[INFO] tweaked toml for git repo https://github.com/amy-keibler/rust_jni_example written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/amy-keibler/rust_jni_example 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 8aff6d5f40bc66583a03afcf06e56a6209fcc366e3ea26775af8d19d15c2fbdd
[INFO] running `Command { std: "docker" "start" "-a" "8aff6d5f40bc66583a03afcf06e56a6209fcc366e3ea26775af8d19d15c2fbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aff6d5f40bc66583a03afcf06e56a6209fcc366e3ea26775af8d19d15c2fbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aff6d5f40bc66583a03afcf06e56a6209fcc366e3ea26775af8d19d15c2fbdd", kill_on_drop: false }`
[INFO] [stdout] 8aff6d5f40bc66583a03afcf06e56a6209fcc366e3ea26775af8d19d15c2fbdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] f5a7f633d9740193e55b2f5d2b8b7733bb890841550f1f97722dc728b8f2ce5b
[INFO] running `Command { std: "docker" "start" "-a" "f5a7f633d9740193e55b2f5d2b8b7733bb890841550f1f97722dc728b8f2ce5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling graph-evaluator v0.1.0 (/opt/rustwide/workdir/graph-evaluator)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> graph-evaluator/src/lib.rs:93:62
[INFO] [stdout]    |
[INFO] [stdout] 93 |     #[error("Graph contained a cycle {}", .0.iter().cloned().intersperse(String::from(" -> ")).collect::<String>())]
[INFO] [stdout]    |                                                              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Cloned<I>`
[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] 93 |     #[error("Graph contained a cycle {}", .Iterator::intersperse(0.iter().cloned(), String::from(" -> ")).collect::<String>())]
[INFO] [stdout]    |                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 93 |     #[error("Graph contained a cycle {}", .Itertools::intersperse(0.iter().cloned(), String::from(" -> ")).collect::<String>())]
[INFO] [stdout]    |                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> graph-evaluator/src/lib.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] error: aborting due to previous error; 1 warning 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 `graph-evaluator` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f5a7f633d9740193e55b2f5d2b8b7733bb890841550f1f97722dc728b8f2ce5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a7f633d9740193e55b2f5d2b8b7733bb890841550f1f97722dc728b8f2ce5b", kill_on_drop: false }`
[INFO] [stdout] f5a7f633d9740193e55b2f5d2b8b7733bb890841550f1f97722dc728b8f2ce5b