[INFO] fetching crate xprec 0.2.0...
[INFO] checking xprec-0.2.0 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] extracting crate xprec 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xprec 0.2.0
[INFO] finished tweaking crates.io crate xprec 0.2.0
[INFO] tweaked toml for crates.io crate xprec 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xprec 0.2.0 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xprec 0.2.0 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed0f25c6cecec2901e674daab12b808181f0a9b9a5057d3eef562f9837aba2a
[INFO] running `Command { std: "docker" "start" "-a" "2ed0f25c6cecec2901e674daab12b808181f0a9b9a5057d3eef562f9837aba2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed0f25c6cecec2901e674daab12b808181f0a9b9a5057d3eef562f9837aba2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed0f25c6cecec2901e674daab12b808181f0a9b9a5057d3eef562f9837aba2a", kill_on_drop: false }`
[INFO] [stdout] 2ed0f25c6cecec2901e674daab12b808181f0a9b9a5057d3eef562f9837aba2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da27cf8bf2a979ccb6c748adcffad1fe71e26d4fed2794df41d3a5902a871259
[INFO] running `Command { std: "docker" "start" "-a" "da27cf8bf2a979ccb6c748adcffad1fe71e26d4fed2794df41d3a5902a871259", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]     Checking xprec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 11s
[INFO] running `Command { std: "docker" "inspect" "da27cf8bf2a979ccb6c748adcffad1fe71e26d4fed2794df41d3a5902a871259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da27cf8bf2a979ccb6c748adcffad1fe71e26d4fed2794df41d3a5902a871259", kill_on_drop: false }`
[INFO] [stdout] da27cf8bf2a979ccb6c748adcffad1fe71e26d4fed2794df41d3a5902a871259