[INFO] fetching crate deep-flatten2 0.1.0...
[INFO] testing deep-flatten2-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate deep-flatten2 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate deep-flatten2 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate deep-flatten2 0.1.0
[INFO] tweaked toml for crates.io crate deep-flatten2 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate deep-flatten2 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 deep-flatten2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deep-flatten v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f7d62fcab6618573001f994f6b1db1ff93b07e9dce15adbe61ded9b1f651b319
[INFO] running `Command { std: "docker" "start" "-a" "f7d62fcab6618573001f994f6b1db1ff93b07e9dce15adbe61ded9b1f651b319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7d62fcab6618573001f994f6b1db1ff93b07e9dce15adbe61ded9b1f651b319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d62fcab6618573001f994f6b1db1ff93b07e9dce15adbe61ded9b1f651b319", kill_on_drop: false }`
[INFO] [stdout] f7d62fcab6618573001f994f6b1db1ff93b07e9dce15adbe61ded9b1f651b319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b161cc50e163c2098db4f60333bc5492dbf5b06852d988948f726568460327c7
[INFO] running `Command { std: "docker" "start" "-a" "b161cc50e163c2098db4f60333bc5492dbf5b06852d988948f726568460327c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0
[INFO] [stderr]    Compiling deep-flatten2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b161cc50e163c2098db4f60333bc5492dbf5b06852d988948f726568460327c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b161cc50e163c2098db4f60333bc5492dbf5b06852d988948f726568460327c7", kill_on_drop: false }`
[INFO] [stdout] b161cc50e163c2098db4f60333bc5492dbf5b06852d988948f726568460327c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 001ec77683a608a23de4b15d4526b581aa0bb5a3c6da6d06d5e69d1184200fc6
[INFO] running `Command { std: "docker" "start" "-a" "001ec77683a608a23de4b15d4526b581aa0bb5a3c6da6d06d5e69d1184200fc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "001ec77683a608a23de4b15d4526b581aa0bb5a3c6da6d06d5e69d1184200fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001ec77683a608a23de4b15d4526b581aa0bb5a3c6da6d06d5e69d1184200fc6", kill_on_drop: false }`
[INFO] [stdout] 001ec77683a608a23de4b15d4526b581aa0bb5a3c6da6d06d5e69d1184200fc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 02d6261059db82e4297aaa9bc80c4556c8444198719df1c8e561ea21cedfce6a
[INFO] running `Command { std: "docker" "start" "-a" "02d6261059db82e4297aaa9bc80c4556c8444198719df1c8e561ea21cedfce6a", 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/deep_flatten2-ebc9cedf729d7f4a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_result_deep_ok ... ok
[INFO] [stdout] test tests::test_result_deep_ok_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deep_flatten2
[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" "02d6261059db82e4297aaa9bc80c4556c8444198719df1c8e561ea21cedfce6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d6261059db82e4297aaa9bc80c4556c8444198719df1c8e561ea21cedfce6a", kill_on_drop: false }`
[INFO] [stdout] 02d6261059db82e4297aaa9bc80c4556c8444198719df1c8e561ea21cedfce6a