[INFO] fetching crate experimental-test 0.1.7...
[INFO] testing experimental-test-0.1.7 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate experimental-test 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate experimental-test 0.1.7 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate experimental-test 0.1.7
[INFO] finished tweaking crates.io crate experimental-test 0.1.7
[INFO] tweaked toml for crates.io crate experimental-test 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate experimental-test 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33311174c693534dfc805f5c4992c0991c3ac47c9e125c3a8983126e2dae9859
[INFO] running `Command { std: "docker" "start" "-a" "33311174c693534dfc805f5c4992c0991c3ac47c9e125c3a8983126e2dae9859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33311174c693534dfc805f5c4992c0991c3ac47c9e125c3a8983126e2dae9859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33311174c693534dfc805f5c4992c0991c3ac47c9e125c3a8983126e2dae9859", kill_on_drop: false }`
[INFO] [stdout] 33311174c693534dfc805f5c4992c0991c3ac47c9e125c3a8983126e2dae9859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61c0131aaad270a1212e4180c8639a1fe02cb393eb999428eeb0daa732da2f2
[INFO] running `Command { std: "docker" "start" "-a" "d61c0131aaad270a1212e4180c8639a1fe02cb393eb999428eeb0daa732da2f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling experimental-test v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read main.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `experimental-test`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d61c0131aaad270a1212e4180c8639a1fe02cb393eb999428eeb0daa732da2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61c0131aaad270a1212e4180c8639a1fe02cb393eb999428eeb0daa732da2f2", kill_on_drop: false }`
[INFO] [stdout] d61c0131aaad270a1212e4180c8639a1fe02cb393eb999428eeb0daa732da2f2