[INFO] fetching crate witnesscalc-adapter 0.1.6...
[INFO] building witnesscalc-adapter-0.1.6 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate witnesscalc-adapter 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate witnesscalc-adapter 0.1.6
[INFO] finished tweaking crates.io crate witnesscalc-adapter 0.1.6
[INFO] tweaked toml for crates.io crate witnesscalc-adapter 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate witnesscalc-adapter 0.1.6 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate witnesscalc-adapter 0.1.6 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c83b5f661d315d8e6a449cf44d4f90e76d14c035ba8e3a342b99c3697b645f4c
[INFO] running `Command { std: "docker" "start" "-a" "c83b5f661d315d8e6a449cf44d4f90e76d14c035ba8e3a342b99c3697b645f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c83b5f661d315d8e6a449cf44d4f90e76d14c035ba8e3a342b99c3697b645f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83b5f661d315d8e6a449cf44d4f90e76d14c035ba8e3a342b99c3697b645f4c", kill_on_drop: false }`
[INFO] [stdout] c83b5f661d315d8e6a449cf44d4f90e76d14c035ba8e3a342b99c3697b645f4c
[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=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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 254be9d9c09095888a911585bddd4c8d9033f86ad9af749e0df7db68ba01d917
[INFO] running `Command { std: "docker" "start" "-a" "254be9d9c09095888a911585bddd4c8d9033f86ad9af749e0df7db68ba01d917", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling witnesscalc-adapter v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "254be9d9c09095888a911585bddd4c8d9033f86ad9af749e0df7db68ba01d917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254be9d9c09095888a911585bddd4c8d9033f86ad9af749e0df7db68ba01d917", kill_on_drop: false }`
[INFO] [stdout] 254be9d9c09095888a911585bddd4c8d9033f86ad9af749e0df7db68ba01d917
[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=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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688e08c3c614dde86f391068889007e2db17f9d8a9527c69d4d4839e03790fa0
[INFO] running `Command { std: "docker" "start" "-a" "688e08c3c614dde86f391068889007e2db17f9d8a9527c69d4d4839e03790fa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling witnesscalc-adapter v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "688e08c3c614dde86f391068889007e2db17f9d8a9527c69d4d4839e03790fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688e08c3c614dde86f391068889007e2db17f9d8a9527c69d4d4839e03790fa0", kill_on_drop: false }`
[INFO] [stdout] 688e08c3c614dde86f391068889007e2db17f9d8a9527c69d4d4839e03790fa0