[INFO] fetching crate integer-sqrt 0.1.5...
[INFO] building integer-sqrt-0.1.5 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate integer-sqrt 0.1.5 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate integer-sqrt 0.1.5 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integer-sqrt 0.1.5
[INFO] finished tweaking crates.io crate integer-sqrt 0.1.5
[INFO] tweaked toml for crates.io crate integer-sqrt 0.1.5 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe338b093b6b75cf31cb89e86aa12cd702fd6fb65c65f1c63042e5c7f640f4b8
[INFO] running `Command { std: "docker" "start" "-a" "fe338b093b6b75cf31cb89e86aa12cd702fd6fb65c65f1c63042e5c7f640f4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe338b093b6b75cf31cb89e86aa12cd702fd6fb65c65f1c63042e5c7f640f4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe338b093b6b75cf31cb89e86aa12cd702fd6fb65c65f1c63042e5c7f640f4b8", kill_on_drop: false }`
[INFO] [stdout] fe338b093b6b75cf31cb89e86aa12cd702fd6fb65c65f1c63042e5c7f640f4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68edc407e0ed2b004e72d79ba1f252fc151d8924cfaf3530d8c444d308d88fe
[INFO] running `Command { std: "docker" "start" "-a" "d68edc407e0ed2b004e72d79ba1f252fc151d8924cfaf3530d8c444d308d88fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling integer-sqrt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "d68edc407e0ed2b004e72d79ba1f252fc151d8924cfaf3530d8c444d308d88fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68edc407e0ed2b004e72d79ba1f252fc151d8924cfaf3530d8c444d308d88fe", kill_on_drop: false }`
[INFO] [stdout] d68edc407e0ed2b004e72d79ba1f252fc151d8924cfaf3530d8c444d308d88fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3cb80861b0099176e6e3dd979233e0c1f0e3c0d748cfa5761085cfef94ed59
[INFO] running `Command { std: "docker" "start" "-a" "0e3cb80861b0099176e6e3dd979233e0c1f0e3c0d748cfa5761085cfef94ed59", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-sqrt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "0e3cb80861b0099176e6e3dd979233e0c1f0e3c0d748cfa5761085cfef94ed59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3cb80861b0099176e6e3dd979233e0c1f0e3c0d748cfa5761085cfef94ed59", kill_on_drop: false }`
[INFO] [stdout] 0e3cb80861b0099176e6e3dd979233e0c1f0e3c0d748cfa5761085cfef94ed59