[INFO] crate errno-codes-tool 0.1.0 is already in cache
[INFO] checking errno-codes-tool-0.1.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate errno-codes-tool 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate errno-codes-tool 0.1.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate errno-codes-tool 0.1.0
[INFO] finished tweaking crates.io crate errno-codes-tool 0.1.0
[INFO] tweaked toml for crates.io crate errno-codes-tool 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9c0fc33b29449f6b2bfbbe94dcca1deee3398291f4f7c5e41fcf43d86796e2a4
[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" "9c0fc33b29449f6b2bfbbe94dcca1deee3398291f4f7c5e41fcf43d86796e2a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr] error: expected item, found `"serde_json requires that either `std` (default) or `alloc` feature is enabled"`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.53/src/features_check/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "serde_json requires that either `std` (default) or `alloc` feature is enabled"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `serde_json`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c0fc33b29449f6b2bfbbe94dcca1deee3398291f4f7c5e41fcf43d86796e2a4"`
[INFO] running `"docker" "rm" "-f" "9c0fc33b29449f6b2bfbbe94dcca1deee3398291f4f7c5e41fcf43d86796e2a4"`
[INFO] [stdout] 9c0fc33b29449f6b2bfbbe94dcca1deee3398291f4f7c5e41fcf43d86796e2a4