[INFO] crate evcxr_jupyter 0.4.4 is already in cache [INFO] checking evcxr_jupyter-0.4.4 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] extracting crate evcxr_jupyter 0.4.4 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate evcxr_jupyter 0.4.4 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate evcxr_jupyter 0.4.4 [INFO] finished tweaking crates.io crate evcxr_jupyter 0.4.4 [INFO] tweaked toml for crates.io crate evcxr_jupyter 0.4.4 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate evcxr_jupyter 0.4.4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 88e07f15ef01c08a2d250b510cb4bac1dac20fa03852755a9d858db79c51f7dd [INFO] running `"docker" "start" "-a" "88e07f15ef01c08a2d250b510cb4bac1dac20fa03852755a9d858db79c51f7dd"` [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling zmq v0.9.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking sig v1.0.0 [INFO] [stderr] Checking syn v0.15.44 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Compiling zmq-sys v0.9.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking backtrace v0.3.35 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking cgmath v0.16.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking which v2.0.1 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking evcxr v0.4.4 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking evcxr_jupyter v0.4.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.21s [INFO] running `"docker" "inspect" "88e07f15ef01c08a2d250b510cb4bac1dac20fa03852755a9d858db79c51f7dd"` [INFO] running `"docker" "rm" "-f" "88e07f15ef01c08a2d250b510cb4bac1dac20fa03852755a9d858db79c51f7dd"` [INFO] [stdout] 88e07f15ef01c08a2d250b510cb4bac1dac20fa03852755a9d858db79c51f7dd