[INFO] crate cjson 0.1.0 is already in cache
[INFO] checking cjson-0.1.0 against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919
[INFO] extracting crate cjson 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cjson 0.1.0 on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cjson 0.1.0
[INFO] finished tweaking crates.io crate cjson 0.1.0
[INFO] tweaked toml for crates.io crate cjson 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cjson 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "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] 70947433e3563d15e07540ddd5b407d239faaf7176d1fe379099c67f9b4c2f2c
[INFO] running `"docker" "start" "-a" "70947433e3563d15e07540ddd5b407d239faaf7176d1fe379099c67f9b4c2f2c"`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking cjson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.12s
[INFO] running `"docker" "inspect" "70947433e3563d15e07540ddd5b407d239faaf7176d1fe379099c67f9b4c2f2c"`
[INFO] running `"docker" "rm" "-f" "70947433e3563d15e07540ddd5b407d239faaf7176d1fe379099c67f9b4c2f2c"`
[INFO] [stdout] 70947433e3563d15e07540ddd5b407d239faaf7176d1fe379099c67f9b4c2f2c