[INFO] cloning repository https://github.com/bwangelme/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwangelme/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwangelme%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwangelme%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbee5ddd788a88fc4e774254e94ad622ec4a8da9
[INFO] checking bwangelme/hello_cargo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwangelme%2Fhello_cargo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwangelme/hello_cargo on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwangelme/hello_cargo
[INFO] finished tweaking git repo https://github.com/bwangelme/hello_cargo
[INFO] tweaked toml for git repo https://github.com/bwangelme/hello_cargo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bwangelme/hello_cargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83d183fc00aee6aa10f6258aff3ae290d2566f7970a1e2ddd713aa54e3a75a75
[INFO] running `Command { std: "docker" "start" "-a" "83d183fc00aee6aa10f6258aff3ae290d2566f7970a1e2ddd713aa54e3a75a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83d183fc00aee6aa10f6258aff3ae290d2566f7970a1e2ddd713aa54e3a75a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d183fc00aee6aa10f6258aff3ae290d2566f7970a1e2ddd713aa54e3a75a75", kill_on_drop: false }`
[INFO] [stdout] 83d183fc00aee6aa10f6258aff3ae290d2566f7970a1e2ddd713aa54e3a75a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd340bb7c2aa535b8ed8fac44beb51798d9461cbb36ef0288c0c28c52a1f6376
[INFO] running `Command { std: "docker" "start" "-a" "dd340bb7c2aa535b8ed8fac44beb51798d9461cbb36ef0288c0c28c52a1f6376", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tutorial.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl <H: CalculatorSyncHandler> CalculatorSyncProcessor<H> {
[INFO] [stdout]     | ---------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 102 |   pub fn new(handler: H) -> CalculatorSyncProcessor<H> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tutorial.rs:102:10
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl <H: CalculatorSyncHandler> CalculatorSyncProcessor<H> {
[INFO] [stdout]     | ---------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 102 |   pub fn new(handler: H) -> CalculatorSyncProcessor<H> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "dd340bb7c2aa535b8ed8fac44beb51798d9461cbb36ef0288c0c28c52a1f6376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd340bb7c2aa535b8ed8fac44beb51798d9461cbb36ef0288c0c28c52a1f6376", kill_on_drop: false }`
[INFO] [stdout] dd340bb7c2aa535b8ed8fac44beb51798d9461cbb36ef0288c0c28c52a1f6376