[INFO] crate json-generator 0.1.6 is already in cache
[INFO] checking json-generator-0.1.6 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate json-generator 0.1.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate json-generator 0.1.6 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate json-generator 0.1.6
[INFO] finished tweaking crates.io crate json-generator 0.1.6
[INFO] tweaked toml for crates.io crate json-generator 0.1.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 52d50aa6c7facac0e0ff9e3ad25be634ce9df88775bb56b2bf4a5a89df7e9642
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "52d50aa6c7facac0e0ff9e3ad25be634ce9df88775bb56b2bf4a5a89df7e9642"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.109
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking backtrace-sys v0.1.37
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking json-generator v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.77s
[INFO] running `"docker" "inspect" "52d50aa6c7facac0e0ff9e3ad25be634ce9df88775bb56b2bf4a5a89df7e9642"`
[INFO] running `"docker" "rm" "-f" "52d50aa6c7facac0e0ff9e3ad25be634ce9df88775bb56b2bf4a5a89df7e9642"`
[INFO] [stdout] 52d50aa6c7facac0e0ff9e3ad25be634ce9df88775bb56b2bf4a5a89df7e9642