[INFO] fetching crate nextgen 0.0.0...
[INFO] testing nextgen-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate nextgen 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nextgen 0.0.0
[INFO] finished tweaking crates.io crate nextgen 0.0.0
[INFO] tweaked toml for crates.io crate nextgen 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nextgen 0.0.0 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-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] 25d9ad056207c0a9368ba73a3455d72e1c2ed5f4b646a92261313f8f4c3cc1a0
[INFO] running `Command { std: "docker" "start" "-a" "25d9ad056207c0a9368ba73a3455d72e1c2ed5f4b646a92261313f8f4c3cc1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d9ad056207c0a9368ba73a3455d72e1c2ed5f4b646a92261313f8f4c3cc1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d9ad056207c0a9368ba73a3455d72e1c2ed5f4b646a92261313f8f4c3cc1a0", kill_on_drop: false }`
[INFO] [stdout] 25d9ad056207c0a9368ba73a3455d72e1c2ed5f4b646a92261313f8f4c3cc1a0
[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] 9cafdced932f0350df6105fc658c6e3a5b2ae96eca4174fe4777c332d88f0f9f
[INFO] running `Command { std: "docker" "start" "-a" "9cafdced932f0350df6105fc658c6e3a5b2ae96eca4174fe4777c332d88f0f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nextgen v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "9cafdced932f0350df6105fc658c6e3a5b2ae96eca4174fe4777c332d88f0f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cafdced932f0350df6105fc658c6e3a5b2ae96eca4174fe4777c332d88f0f9f", kill_on_drop: false }`
[INFO] [stdout] 9cafdced932f0350df6105fc658c6e3a5b2ae96eca4174fe4777c332d88f0f9f
[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] 4dd45460a33f602971f89cc9b936ab63b24f43b14bc2334deff49abbf9e2a5d9
[INFO] running `Command { std: "docker" "start" "-a" "4dd45460a33f602971f89cc9b936ab63b24f43b14bc2334deff49abbf9e2a5d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nextgen v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "4dd45460a33f602971f89cc9b936ab63b24f43b14bc2334deff49abbf9e2a5d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd45460a33f602971f89cc9b936ab63b24f43b14bc2334deff49abbf9e2a5d9", kill_on_drop: false }`
[INFO] [stdout] 4dd45460a33f602971f89cc9b936ab63b24f43b14bc2334deff49abbf9e2a5d9
[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] 54ec62a197bd7c51bfec62a31f43615722012e155fa2ec44c6a5051e3acde4d5
[INFO] running `Command { std: "docker" "start" "-a" "54ec62a197bd7c51bfec62a31f43615722012e155fa2ec44c6a5051e3acde4d5", kill_on_drop: false }`
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nextgen-43b3faee106f93e9)
[INFO] [stderr]    Doc-tests nextgen
[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" "54ec62a197bd7c51bfec62a31f43615722012e155fa2ec44c6a5051e3acde4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ec62a197bd7c51bfec62a31f43615722012e155fa2ec44c6a5051e3acde4d5", kill_on_drop: false }`
[INFO] [stdout] 54ec62a197bd7c51bfec62a31f43615722012e155fa2ec44c6a5051e3acde4d5