[INFO] fetching crate precise 0.1.10...
[INFO] building precise-0.1.10 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate precise 0.1.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate precise 0.1.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate precise 0.1.10
[INFO] tweaked toml for crates.io crate precise 0.1.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate precise 0.1.10 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 precise 0.1.10 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] c5248d483c0c6d0ade86aa4dd798891ea8897969cf6d800a55c29809fa7ae13b
[INFO] running `Command { std: "docker" "start" "-a" "c5248d483c0c6d0ade86aa4dd798891ea8897969cf6d800a55c29809fa7ae13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5248d483c0c6d0ade86aa4dd798891ea8897969cf6d800a55c29809fa7ae13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5248d483c0c6d0ade86aa4dd798891ea8897969cf6d800a55c29809fa7ae13b", kill_on_drop: false }`
[INFO] [stdout] c5248d483c0c6d0ade86aa4dd798891ea8897969cf6d800a55c29809fa7ae13b
[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] 87024c52b66069906f8e40284e35a8e4f5ec2908e5dfb91c3d43f52c71f980b7
[INFO] running `Command { std: "docker" "start" "-a" "87024c52b66069906f8e40284e35a8e4f5ec2908e5dfb91c3d43f52c71f980b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling precise v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "87024c52b66069906f8e40284e35a8e4f5ec2908e5dfb91c3d43f52c71f980b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87024c52b66069906f8e40284e35a8e4f5ec2908e5dfb91c3d43f52c71f980b7", kill_on_drop: false }`
[INFO] [stdout] 87024c52b66069906f8e40284e35a8e4f5ec2908e5dfb91c3d43f52c71f980b7
[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] 78d0a455ba3490fe5703419cff416f1a40204788bd63a3848f31a6e335f7c5e3
[INFO] running `Command { std: "docker" "start" "-a" "78d0a455ba3490fe5703419cff416f1a40204788bd63a3848f31a6e335f7c5e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling precise v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "78d0a455ba3490fe5703419cff416f1a40204788bd63a3848f31a6e335f7c5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d0a455ba3490fe5703419cff416f1a40204788bd63a3848f31a6e335f7c5e3", kill_on_drop: false }`
[INFO] [stdout] 78d0a455ba3490fe5703419cff416f1a40204788bd63a3848f31a6e335f7c5e3