[INFO] cloning repository https://github.com/autoai-incubator/uper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/autoai-incubator/uper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautoai-incubator%2Fuper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautoai-incubator%2Fuper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2152aad8fd60c82a692e6da533f4087925ca207c
[INFO] checking autoai-incubator/uper against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautoai-incubator%2Fuper" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/autoai-incubator/uper on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/autoai-incubator/uper
[INFO] finished tweaking git repo https://github.com/autoai-incubator/uper
[INFO] tweaked toml for git repo https://github.com/autoai-incubator/uper written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/autoai-incubator/uper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9b93884e51030ff9d5bc3e720973912541f26ba826b39c6a99cac8064e91da7
[INFO] running `Command { std: "docker" "start" "-a" "b9b93884e51030ff9d5bc3e720973912541f26ba826b39c6a99cac8064e91da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b93884e51030ff9d5bc3e720973912541f26ba826b39c6a99cac8064e91da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b93884e51030ff9d5bc3e720973912541f26ba826b39c6a99cac8064e91da7", kill_on_drop: false }`
[INFO] [stdout] b9b93884e51030ff9d5bc3e720973912541f26ba826b39c6a99cac8064e91da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec373591c3fc89f1ebd90bc4be686a28274e32a670eab753c867ff550fa0594
[INFO] running `Command { std: "docker" "start" "-a" "dec373591c3fc89f1ebd90bc4be686a28274e32a670eab753c867ff550fa0594", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking uper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/pipeline.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let stdout = Command::new(command)
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec_shell`
[INFO] [stdout]   --> src/pipeline.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn exec_shell(command: &String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/pipeline.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let stdout = Command::new(command)
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec_shell`
[INFO] [stdout]   --> src/pipeline.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn exec_shell(command: &String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dec373591c3fc89f1ebd90bc4be686a28274e32a670eab753c867ff550fa0594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec373591c3fc89f1ebd90bc4be686a28274e32a670eab753c867ff550fa0594", kill_on_drop: false }`
[INFO] [stdout] dec373591c3fc89f1ebd90bc4be686a28274e32a670eab753c867ff550fa0594