[INFO] fetching crate skimmer 0.0.3...
[INFO] testing skimmer-0.0.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate skimmer 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate skimmer 0.0.3
[INFO] finished tweaking crates.io crate skimmer 0.0.3
[INFO] tweaked toml for crates.io crate skimmer 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate skimmer 0.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 5dd50648daa24ce0fdd2f649fd04cd1215d6a263d92cb8eae46915a0c3732df2
[INFO] running `Command { std: "docker" "start" "-a" "5dd50648daa24ce0fdd2f649fd04cd1215d6a263d92cb8eae46915a0c3732df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dd50648daa24ce0fdd2f649fd04cd1215d6a263d92cb8eae46915a0c3732df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd50648daa24ce0fdd2f649fd04cd1215d6a263d92cb8eae46915a0c3732df2", kill_on_drop: false }`
[INFO] [stdout] 5dd50648daa24ce0fdd2f649fd04cd1215d6a263d92cb8eae46915a0c3732df2
[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] 433474247f069a336e3baf9afc4e182ed97d9be825d0c825bd5c93fcb10747d5
[INFO] running `Command { std: "docker" "start" "-a" "433474247f069a336e3baf9afc4e182ed97d9be825d0c825bd5c93fcb10747d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling skimmer v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "433474247f069a336e3baf9afc4e182ed97d9be825d0c825bd5c93fcb10747d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433474247f069a336e3baf9afc4e182ed97d9be825d0c825bd5c93fcb10747d5", kill_on_drop: false }`
[INFO] [stdout] 433474247f069a336e3baf9afc4e182ed97d9be825d0c825bd5c93fcb10747d5
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e8692ff1e4b04467be65dd096cd6dab52b7a0cacbe952678fb907ff6bbd497d
[INFO] running `Command { std: "docker" "start" "-a" "1e8692ff1e4b04467be65dd096cd6dab52b7a0cacbe952678fb907ff6bbd497d", kill_on_drop: false }`
[INFO] [stderr]    Compiling skimmer v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "1e8692ff1e4b04467be65dd096cd6dab52b7a0cacbe952678fb907ff6bbd497d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8692ff1e4b04467be65dd096cd6dab52b7a0cacbe952678fb907ff6bbd497d", kill_on_drop: false }`
[INFO] [stdout] 1e8692ff1e4b04467be65dd096cd6dab52b7a0cacbe952678fb907ff6bbd497d
[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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f552d3b18a1ce6a43acf4c52c8289434288b35d58a5e16b4e0e7837df91737f9
[INFO] running `Command { std: "docker" "start" "-a" "f552d3b18a1ce6a43acf4c52c8289434288b35d58a5e16b4e0e7837df91737f9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skimmer-acd162c886ae2d41)
[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] [stderr]    Doc-tests skimmer
[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" "f552d3b18a1ce6a43acf4c52c8289434288b35d58a5e16b4e0e7837df91737f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f552d3b18a1ce6a43acf4c52c8289434288b35d58a5e16b4e0e7837df91737f9", kill_on_drop: false }`
[INFO] [stdout] f552d3b18a1ce6a43acf4c52c8289434288b35d58a5e16b4e0e7837df91737f9