[INFO] cloning repository sipubot/RS-png_json_builder
[INFO] running `"git" "clone" "--bare" "git://github.com/sipubot/RS-png_json_builder.git" "work/cache/sources/gh/sipubot/RS-png_json_builder"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sipubot/RS-png_json_builder'...
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/RS-png_json_builder" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sipubot/RS-png_json_builder"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sipubot/RS-png_json_builder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/RS-png_json_builder" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sipubot/RS-png_json_builder"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sipubot/RS-png_json_builder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ccd1c5e7a4948620fc7b42629188e298e43301e
[INFO] sha for GitHub repo sipubot/RS-png_json_builder: 3ccd1c5e7a4948620fc7b42629188e298e43301e
[INFO] validating manifest of sipubot/RS-png_json_builder on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sipubot/RS-png_json_builder on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sipubot/RS-png_json_builder
[INFO] finished frobbing sipubot/RS-png_json_builder
[INFO] frobbed toml for sipubot/RS-png_json_builder written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/sipubot/RS-png_json_builder/Cargo.toml
[INFO] started frobbing sipubot/RS-png_json_builder
[INFO] finished frobbing sipubot/RS-png_json_builder
[INFO] frobbed toml for sipubot/RS-png_json_builder written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sipubot/RS-png_json_builder/Cargo.toml
[INFO] crate sipubot/RS-png_json_builder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image-base64 v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking sipubot/RS-png_json_builder against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/sipubot/RS-png_json_builder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 973bc06d2740e3be62447c38dac79baf916d8935d440b51f7cece425dd8b92e7
[INFO] running `"docker" "start" "-a" "973bc06d2740e3be62447c38dac79baf916d8935d440b51f7cece425dd8b92e7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking lodepng v2.4.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking image-base64 v0.1.0
[INFO] [stderr]     Checking RS-json_build v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RS_json_build` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rs_json_build`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RS_json_build` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rs_json_build`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.71s
[INFO] running `"docker" "inspect" "973bc06d2740e3be62447c38dac79baf916d8935d440b51f7cece425dd8b92e7"`
[INFO] running `"docker" "rm" "-f" "973bc06d2740e3be62447c38dac79baf916d8935d440b51f7cece425dd8b92e7"`
[INFO] [stdout] 973bc06d2740e3be62447c38dac79baf916d8935d440b51f7cece425dd8b92e7