[INFO] fetching crate xprec 0.2.2...
[INFO] checking xprec-0.2.2 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] extracting crate xprec 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate xprec 0.2.2
[INFO] finished tweaking crates.io crate xprec 0.2.2
[INFO] tweaked toml for crates.io crate xprec 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xprec 0.2.2 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xprec 0.2.2 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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded simba v0.9.1
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded safe_arch v0.7.4
[INFO] [stderr]   Downloaded wide v0.7.33
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e96e7e823e5c26a14a3002731bdf73a080196c9a1df1c0c3d534a349832babd
[INFO] running `Command { std: "docker" "start" "-a" "1e96e7e823e5c26a14a3002731bdf73a080196c9a1df1c0c3d534a349832babd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e96e7e823e5c26a14a3002731bdf73a080196c9a1df1c0c3d534a349832babd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e96e7e823e5c26a14a3002731bdf73a080196c9a1df1c0c3d534a349832babd", kill_on_drop: false }`
[INFO] [stdout] 1e96e7e823e5c26a14a3002731bdf73a080196c9a1df1c0c3d534a349832babd
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da63ff599c87b8861a2d94daa1ee8aee13053b75d752b00fea47fdbaed0c463c
[INFO] running `Command { std: "docker" "start" "-a" "da63ff599c87b8861a2d94daa1ee8aee13053b75d752b00fea47fdbaed0c463c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]     Checking xprec v0.2.2 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "da63ff599c87b8861a2d94daa1ee8aee13053b75d752b00fea47fdbaed0c463c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da63ff599c87b8861a2d94daa1ee8aee13053b75d752b00fea47fdbaed0c463c", kill_on_drop: false }`
[INFO] [stdout] da63ff599c87b8861a2d94daa1ee8aee13053b75d752b00fea47fdbaed0c463c