[INFO] fetching crate demo_4048 0.2.0...
[INFO] testing demo_4048-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate demo_4048 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate demo_4048 0.2.0
[INFO] finished tweaking crates.io crate demo_4048 0.2.0
[INFO] tweaked toml for crates.io crate demo_4048 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate demo_4048 0.2.0 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 demo_4048 0.2.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fa7b636042643e8e2724fe43e192c34505ea1dee334cb3bdc969dddc64aa2e7
[INFO] running `Command { std: "docker" "start" "-a" "9fa7b636042643e8e2724fe43e192c34505ea1dee334cb3bdc969dddc64aa2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa7b636042643e8e2724fe43e192c34505ea1dee334cb3bdc969dddc64aa2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa7b636042643e8e2724fe43e192c34505ea1dee334cb3bdc969dddc64aa2e7", kill_on_drop: false }`
[INFO] [stdout] 9fa7b636042643e8e2724fe43e192c34505ea1dee334cb3bdc969dddc64aa2e7
[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=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] 8bc0919402d928243e6502322ae7188ce6c9e20d71094123e1e117ed19f9bd4e
[INFO] running `Command { std: "docker" "start" "-a" "8bc0919402d928243e6502322ae7188ce6c9e20d71094123e1e117ed19f9bd4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo_4048 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8bc0919402d928243e6502322ae7188ce6c9e20d71094123e1e117ed19f9bd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc0919402d928243e6502322ae7188ce6c9e20d71094123e1e117ed19f9bd4e", kill_on_drop: false }`
[INFO] [stdout] 8bc0919402d928243e6502322ae7188ce6c9e20d71094123e1e117ed19f9bd4e
[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=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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd4f31c0c6419017867ce9a3ae5d5d9bed30c1c747a5bb3e0cecd55148297cb
[INFO] running `Command { std: "docker" "start" "-a" "7bd4f31c0c6419017867ce9a3ae5d5d9bed30c1c747a5bb3e0cecd55148297cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo_4048 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "7bd4f31c0c6419017867ce9a3ae5d5d9bed30c1c747a5bb3e0cecd55148297cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd4f31c0c6419017867ce9a3ae5d5d9bed30c1c747a5bb3e0cecd55148297cb", kill_on_drop: false }`
[INFO] [stdout] 7bd4f31c0c6419017867ce9a3ae5d5d9bed30c1c747a5bb3e0cecd55148297cb
[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=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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbebcf2170eea917351597679f2ab29776620919a09534e098a6ce8058e469da
[INFO] running `Command { std: "docker" "start" "-a" "bbebcf2170eea917351597679f2ab29776620919a09534e098a6ce8058e469da", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/demo_4048-1f622d662e9271e1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbebcf2170eea917351597679f2ab29776620919a09534e098a6ce8058e469da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbebcf2170eea917351597679f2ab29776620919a09534e098a6ce8058e469da", kill_on_drop: false }`
[INFO] [stdout] bbebcf2170eea917351597679f2ab29776620919a09534e098a6ce8058e469da