[INFO] fetching crate ustd 0.0.0...
[INFO] building ustd-0.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ustd 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ustd 0.0.0
[INFO] finished tweaking crates.io crate ustd 0.0.0
[INFO] tweaked toml for crates.io crate ustd 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ustd 0.0.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3501341ab7e5591e6289b9ddc9981b2d9dbceb810eeb3e446fd38698cb3e7e74
[INFO] running `Command { std: "docker" "start" "-a" "3501341ab7e5591e6289b9ddc9981b2d9dbceb810eeb3e446fd38698cb3e7e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3501341ab7e5591e6289b9ddc9981b2d9dbceb810eeb3e446fd38698cb3e7e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3501341ab7e5591e6289b9ddc9981b2d9dbceb810eeb3e446fd38698cb3e7e74", kill_on_drop: false }`
[INFO] [stdout] 3501341ab7e5591e6289b9ddc9981b2d9dbceb810eeb3e446fd38698cb3e7e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc5a70b16be3e7b08c1ca492e8bebef01a06c465d78a1f5515fdab412e19cfdd
[INFO] running `Command { std: "docker" "start" "-a" "bc5a70b16be3e7b08c1ca492e8bebef01a06c465d78a1f5515fdab412e19cfdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ustd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "bc5a70b16be3e7b08c1ca492e8bebef01a06c465d78a1f5515fdab412e19cfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5a70b16be3e7b08c1ca492e8bebef01a06c465d78a1f5515fdab412e19cfdd", kill_on_drop: false }`
[INFO] [stdout] bc5a70b16be3e7b08c1ca492e8bebef01a06c465d78a1f5515fdab412e19cfdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 46f52f8c3c7ef04dbf0ab8643502f91d8a3323622c131c6ae9efdfe294865e1f
[INFO] running `Command { std: "docker" "start" "-a" "46f52f8c3c7ef04dbf0ab8643502f91d8a3323622c131c6ae9efdfe294865e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ustd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "46f52f8c3c7ef04dbf0ab8643502f91d8a3323622c131c6ae9efdfe294865e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f52f8c3c7ef04dbf0ab8643502f91d8a3323622c131c6ae9efdfe294865e1f", kill_on_drop: false }`
[INFO] [stdout] 46f52f8c3c7ef04dbf0ab8643502f91d8a3323622c131c6ae9efdfe294865e1f