[INFO] fetching crate signals_receipts 0.2.5...
[INFO] building signals_receipts-0.2.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate signals_receipts 0.2.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate signals_receipts 0.2.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate signals_receipts 0.2.5
[INFO] tweaked toml for crates.io crate signals_receipts 0.2.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signals_receipts 0.2.5 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 signals_receipts 0.2.5 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sem_safe v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 009b8d63b687ca088350f9c50410383aaa37490a6af2146a009d5d53e667c2f3
[INFO] running `Command { std: "docker" "start" "-a" "009b8d63b687ca088350f9c50410383aaa37490a6af2146a009d5d53e667c2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "009b8d63b687ca088350f9c50410383aaa37490a6af2146a009d5d53e667c2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009b8d63b687ca088350f9c50410383aaa37490a6af2146a009d5d53e667c2f3", kill_on_drop: false }`
[INFO] [stdout] 009b8d63b687ca088350f9c50410383aaa37490a6af2146a009d5d53e667c2f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dde9ab640b4b6f1307408efdabc688c7a75c1665cfe6a16d2c56c4eaf8925a7d
[INFO] running `Command { std: "docker" "start" "-a" "dde9ab640b4b6f1307408efdabc688c7a75c1665cfe6a16d2c56c4eaf8925a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling errno v0.3.11
[INFO] [stderr]    Compiling sem_safe v0.2.1
[INFO] [stderr]    Compiling signals_receipts v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "dde9ab640b4b6f1307408efdabc688c7a75c1665cfe6a16d2c56c4eaf8925a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde9ab640b4b6f1307408efdabc688c7a75c1665cfe6a16d2c56c4eaf8925a7d", kill_on_drop: false }`
[INFO] [stdout] dde9ab640b4b6f1307408efdabc688c7a75c1665cfe6a16d2c56c4eaf8925a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4e6ef148f3db06e1fc9bcbbf9ae6518f211ea0211dd4f5da766e06470430f98b
[INFO] running `Command { std: "docker" "start" "-a" "4e6ef148f3db06e1fc9bcbbf9ae6518f211ea0211dd4f5da766e06470430f98b", kill_on_drop: false }`
[INFO] [stderr]    Compiling signals_receipts v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "4e6ef148f3db06e1fc9bcbbf9ae6518f211ea0211dd4f5da766e06470430f98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6ef148f3db06e1fc9bcbbf9ae6518f211ea0211dd4f5da766e06470430f98b", kill_on_drop: false }`
[INFO] [stdout] 4e6ef148f3db06e1fc9bcbbf9ae6518f211ea0211dd4f5da766e06470430f98b