[INFO] fetching crate experimental-test 0.1.7...
[INFO] testing experimental-test-0.1.7 against 1.90.0 for beta-1.91-3
[INFO] extracting crate experimental-test 0.1.7 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate experimental-test 0.1.7 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate experimental-test 0.1.7 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 248970be0bc7b8ec02742772c1bade8a5686b3a6016b60e13656bd22f4e55bd4
[INFO] running `Command { std: "docker" "start" "-a" "248970be0bc7b8ec02742772c1bade8a5686b3a6016b60e13656bd22f4e55bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248970be0bc7b8ec02742772c1bade8a5686b3a6016b60e13656bd22f4e55bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248970be0bc7b8ec02742772c1bade8a5686b3a6016b60e13656bd22f4e55bd4", kill_on_drop: false }`
[INFO] [stdout] 248970be0bc7b8ec02742772c1bade8a5686b3a6016b60e13656bd22f4e55bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa47b3e1e5bcdea869b5209011c5d582816f47a9b48d9f7639c8ab3ba5110cbb
[INFO] running `Command { std: "docker" "start" "-a" "aa47b3e1e5bcdea869b5209011c5d582816f47a9b48d9f7639c8ab3ba5110cbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling experimental-test v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `experimental-test` (bin "experimental-test") due to 1 previous error
[INFO] [stdout] error: couldn't read `main.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa47b3e1e5bcdea869b5209011c5d582816f47a9b48d9f7639c8ab3ba5110cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa47b3e1e5bcdea869b5209011c5d582816f47a9b48d9f7639c8ab3ba5110cbb", kill_on_drop: false }`
[INFO] [stdout] aa47b3e1e5bcdea869b5209011c5d582816f47a9b48d9f7639c8ab3ba5110cbb