[INFO] fetching crate merkmal 0.1.0...
[INFO] building merkmal-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate merkmal 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate merkmal 0.1.0
[INFO] finished tweaking crates.io crate merkmal 0.1.0
[INFO] tweaked toml for crates.io crate merkmal 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkmal 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate merkmal 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027e6d5988d738bbe2fe55f9c39e106922767200a350b24d80a3d9d646a87205
[INFO] running `Command { std: "docker" "start" "-a" "027e6d5988d738bbe2fe55f9c39e106922767200a350b24d80a3d9d646a87205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027e6d5988d738bbe2fe55f9c39e106922767200a350b24d80a3d9d646a87205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027e6d5988d738bbe2fe55f9c39e106922767200a350b24d80a3d9d646a87205", kill_on_drop: false }`
[INFO] [stdout] 027e6d5988d738bbe2fe55f9c39e106922767200a350b24d80a3d9d646a87205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35430fb2579de4315e77f602945d258fdb73789707f53199a87157f95f91fec9
[INFO] running `Command { std: "docker" "start" "-a" "35430fb2579de4315e77f602945d258fdb73789707f53199a87157f95f91fec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkmal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "35430fb2579de4315e77f602945d258fdb73789707f53199a87157f95f91fec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35430fb2579de4315e77f602945d258fdb73789707f53199a87157f95f91fec9", kill_on_drop: false }`
[INFO] [stdout] 35430fb2579de4315e77f602945d258fdb73789707f53199a87157f95f91fec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6502be15b37210455639a1f6dac47af01615bf3f1534bc0cbd897eb6bfaf9daf
[INFO] running `Command { std: "docker" "start" "-a" "6502be15b37210455639a1f6dac47af01615bf3f1534bc0cbd897eb6bfaf9daf", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkmal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6502be15b37210455639a1f6dac47af01615bf3f1534bc0cbd897eb6bfaf9daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6502be15b37210455639a1f6dac47af01615bf3f1534bc0cbd897eb6bfaf9daf", kill_on_drop: false }`
[INFO] [stdout] 6502be15b37210455639a1f6dac47af01615bf3f1534bc0cbd897eb6bfaf9daf