[INFO] fetching crate serialize_bits 0.1.0...
[INFO] building serialize_bits-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate serialize_bits 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serialize_bits 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serialize_bits 0.1.0
[INFO] tweaked toml for crates.io crate serialize_bits 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialize_bits 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a135a91105d5f5fca8769db147b977350fc09962831e9dd4831c00292f846d
[INFO] running `Command { std: "docker" "start" "-a" "48a135a91105d5f5fca8769db147b977350fc09962831e9dd4831c00292f846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a135a91105d5f5fca8769db147b977350fc09962831e9dd4831c00292f846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a135a91105d5f5fca8769db147b977350fc09962831e9dd4831c00292f846d", kill_on_drop: false }`
[INFO] [stdout] 48a135a91105d5f5fca8769db147b977350fc09962831e9dd4831c00292f846d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ccf1761115c54105f91075c7c38eb6b6761cf7829dc9e0ae195c33f92355bd4
[INFO] running `Command { std: "docker" "start" "-a" "7ccf1761115c54105f91075c7c38eb6b6761cf7829dc9e0ae195c33f92355bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialize_bits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "7ccf1761115c54105f91075c7c38eb6b6761cf7829dc9e0ae195c33f92355bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ccf1761115c54105f91075c7c38eb6b6761cf7829dc9e0ae195c33f92355bd4", kill_on_drop: false }`
[INFO] [stdout] 7ccf1761115c54105f91075c7c38eb6b6761cf7829dc9e0ae195c33f92355bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3931a1c176fcab49a70af70ab39876078d4f7d970d6a4f1d4c2219720e337f20
[INFO] running `Command { std: "docker" "start" "-a" "3931a1c176fcab49a70af70ab39876078d4f7d970d6a4f1d4c2219720e337f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialize_bits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "3931a1c176fcab49a70af70ab39876078d4f7d970d6a4f1d4c2219720e337f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3931a1c176fcab49a70af70ab39876078d4f7d970d6a4f1d4c2219720e337f20", kill_on_drop: false }`
[INFO] [stdout] 3931a1c176fcab49a70af70ab39876078d4f7d970d6a4f1d4c2219720e337f20