[INFO] fetching crate stage-core 0.1.0...
[INFO] testing stage-core-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate stage-core 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate stage-core 0.1.0
[INFO] finished tweaking crates.io crate stage-core 0.1.0
[INFO] tweaked toml for crates.io crate stage-core 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stage-core 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] 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8cf664bcf4d0e346f069e9addc29912e745513b99fbd460ec76f3d5f364178d4
[INFO] running `Command { std: "docker" "start" "-a" "8cf664bcf4d0e346f069e9addc29912e745513b99fbd460ec76f3d5f364178d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf664bcf4d0e346f069e9addc29912e745513b99fbd460ec76f3d5f364178d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf664bcf4d0e346f069e9addc29912e745513b99fbd460ec76f3d5f364178d4", kill_on_drop: false }`
[INFO] [stdout] 8cf664bcf4d0e346f069e9addc29912e745513b99fbd460ec76f3d5f364178d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7acaa8e6b9ecfd53bc9f4b829226d8f5e22839bcc782d0de0492ecb67abb0668
[INFO] running `Command { std: "docker" "start" "-a" "7acaa8e6b9ecfd53bc9f4b829226d8f5e22839bcc782d0de0492ecb67abb0668", kill_on_drop: false }`
[INFO] [stderr]    Compiling stage-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "7acaa8e6b9ecfd53bc9f4b829226d8f5e22839bcc782d0de0492ecb67abb0668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acaa8e6b9ecfd53bc9f4b829226d8f5e22839bcc782d0de0492ecb67abb0668", kill_on_drop: false }`
[INFO] [stdout] 7acaa8e6b9ecfd53bc9f4b829226d8f5e22839bcc782d0de0492ecb67abb0668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bbbef7748bef8de2886fc8deb57553232921b990dd9870864f14a4bddb9d18e2
[INFO] running `Command { std: "docker" "start" "-a" "bbbef7748bef8de2886fc8deb57553232921b990dd9870864f14a4bddb9d18e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling stage-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "bbbef7748bef8de2886fc8deb57553232921b990dd9870864f14a4bddb9d18e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbef7748bef8de2886fc8deb57553232921b990dd9870864f14a4bddb9d18e2", kill_on_drop: false }`
[INFO] [stdout] bbbef7748bef8de2886fc8deb57553232921b990dd9870864f14a4bddb9d18e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f98a7af0a70eeecc68576899d90702a52a4dffe337548cca96ca5308bacaf476
[INFO] running `Command { std: "docker" "start" "-a" "f98a7af0a70eeecc68576899d90702a52a4dffe337548cca96ca5308bacaf476", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stage_core-71fd7a9f805e6732)
[INFO] [stderr]    Doc-tests stage_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "f98a7af0a70eeecc68576899d90702a52a4dffe337548cca96ca5308bacaf476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98a7af0a70eeecc68576899d90702a52a4dffe337548cca96ca5308bacaf476", kill_on_drop: false }`
[INFO] [stdout] f98a7af0a70eeecc68576899d90702a52a4dffe337548cca96ca5308bacaf476