[INFO] fetching crate unicode-technical-standard 0.1.0...
[INFO] building unicode-technical-standard-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate unicode-technical-standard 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate unicode-technical-standard 0.1.0
[INFO] finished tweaking crates.io crate unicode-technical-standard 0.1.0
[INFO] tweaked toml for crates.io crate unicode-technical-standard 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicode-technical-standard 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] a2431d97865bf860537277019dd29d42f2b14ea64e886248b2992fb4d5bc3518
[INFO] running `Command { std: "docker" "start" "-a" "a2431d97865bf860537277019dd29d42f2b14ea64e886248b2992fb4d5bc3518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2431d97865bf860537277019dd29d42f2b14ea64e886248b2992fb4d5bc3518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2431d97865bf860537277019dd29d42f2b14ea64e886248b2992fb4d5bc3518", kill_on_drop: false }`
[INFO] [stdout] a2431d97865bf860537277019dd29d42f2b14ea64e886248b2992fb4d5bc3518
[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] 75c19f45a84d65c5d7dcb7d87b28da8bfee50cd11bece802c279d59496d73a3f
[INFO] running `Command { std: "docker" "start" "-a" "75c19f45a84d65c5d7dcb7d87b28da8bfee50cd11bece802c279d59496d73a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-technical-standard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "75c19f45a84d65c5d7dcb7d87b28da8bfee50cd11bece802c279d59496d73a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c19f45a84d65c5d7dcb7d87b28da8bfee50cd11bece802c279d59496d73a3f", kill_on_drop: false }`
[INFO] [stdout] 75c19f45a84d65c5d7dcb7d87b28da8bfee50cd11bece802c279d59496d73a3f
[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] 5e30b5e191f084fa5a9b0cd5cbd3185a0e2f1856dd9002fd97f8990b001bb66f
[INFO] running `Command { std: "docker" "start" "-a" "5e30b5e191f084fa5a9b0cd5cbd3185a0e2f1856dd9002fd97f8990b001bb66f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-technical-standard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "5e30b5e191f084fa5a9b0cd5cbd3185a0e2f1856dd9002fd97f8990b001bb66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e30b5e191f084fa5a9b0cd5cbd3185a0e2f1856dd9002fd97f8990b001bb66f", kill_on_drop: false }`
[INFO] [stdout] 5e30b5e191f084fa5a9b0cd5cbd3185a0e2f1856dd9002fd97f8990b001bb66f