[INFO] fetching crate whisker 0.1.0...
[INFO] testing whisker-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate whisker 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate whisker 0.1.0
[INFO] finished tweaking crates.io crate whisker 0.1.0
[INFO] tweaked toml for crates.io crate whisker 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate whisker 0.1.0 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 whisker 0.1.0 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7135e4b4dd3c9ad6c71d05ace8adad60c233d5d9e0b6bd04d4f5ee7d3033a283
[INFO] running `Command { std: "docker" "start" "-a" "7135e4b4dd3c9ad6c71d05ace8adad60c233d5d9e0b6bd04d4f5ee7d3033a283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7135e4b4dd3c9ad6c71d05ace8adad60c233d5d9e0b6bd04d4f5ee7d3033a283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7135e4b4dd3c9ad6c71d05ace8adad60c233d5d9e0b6bd04d4f5ee7d3033a283", kill_on_drop: false }`
[INFO] [stdout] 7135e4b4dd3c9ad6c71d05ace8adad60c233d5d9e0b6bd04d4f5ee7d3033a283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 07c6e8438dc2eea460f231d6018fdfc08efd929724d21f4ff179e5e944e75934
[INFO] running `Command { std: "docker" "start" "-a" "07c6e8438dc2eea460f231d6018fdfc08efd929724d21f4ff179e5e944e75934", kill_on_drop: false }`
[INFO] [stderr]    Compiling whisker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "07c6e8438dc2eea460f231d6018fdfc08efd929724d21f4ff179e5e944e75934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c6e8438dc2eea460f231d6018fdfc08efd929724d21f4ff179e5e944e75934", kill_on_drop: false }`
[INFO] [stdout] 07c6e8438dc2eea460f231d6018fdfc08efd929724d21f4ff179e5e944e75934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 41e77e45afd64c0a48128e768dc5bc39e34e50bf876ab65a5163f2924ca529f1
[INFO] running `Command { std: "docker" "start" "-a" "41e77e45afd64c0a48128e768dc5bc39e34e50bf876ab65a5163f2924ca529f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling whisker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "41e77e45afd64c0a48128e768dc5bc39e34e50bf876ab65a5163f2924ca529f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e77e45afd64c0a48128e768dc5bc39e34e50bf876ab65a5163f2924ca529f1", kill_on_drop: false }`
[INFO] [stdout] 41e77e45afd64c0a48128e768dc5bc39e34e50bf876ab65a5163f2924ca529f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] da7a0c2b25466b5708420b6814460d59cbf712ce99dfc2778a4a21cfbc54acaa
[INFO] running `Command { std: "docker" "start" "-a" "da7a0c2b25466b5708420b6814460d59cbf712ce99dfc2778a4a21cfbc54acaa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/whisker-3c581cccd2247738)
[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" "da7a0c2b25466b5708420b6814460d59cbf712ce99dfc2778a4a21cfbc54acaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7a0c2b25466b5708420b6814460d59cbf712ce99dfc2778a4a21cfbc54acaa", kill_on_drop: false }`
[INFO] [stdout] da7a0c2b25466b5708420b6814460d59cbf712ce99dfc2778a4a21cfbc54acaa