[INFO] updating cached repository sipubot/RS-png_json_builder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sipubot/RS-png_json_builder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/RS-png_json_builder" "work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/RS-png_json_builder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/RS-png_json_builder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sipubot/RS-png_json_builder" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sipubot/RS-png_json_builder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sipubot/RS-png_json_builder on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sipubot/RS-png_json_builder against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/RS-png_json_builder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5f8b53eea73110c1ee62c22cacd150d44759e7e42bb99ab0ca43a0314638031d
[INFO] running `"docker" "start" "-a" "5f8b53eea73110c1ee62c22cacd150d44759e7e42bb99ab0ca43a0314638031d"`
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling lodepng v2.4.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.12.4
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling image-base64 v0.1.0
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 43.21s
[INFO] running `"docker" "inspect" "5f8b53eea73110c1ee62c22cacd150d44759e7e42bb99ab0ca43a0314638031d"`
[INFO] running `"docker" "rm" "-f" "5f8b53eea73110c1ee62c22cacd150d44759e7e42bb99ab0ca43a0314638031d"`
[INFO] [stdout] 5f8b53eea73110c1ee62c22cacd150d44759e7e42bb99ab0ca43a0314638031d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/RS-png_json_builder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f8021fc8128f2e7f2f759495a26c1c177384a2f022996ed71630155a338aec4
[INFO] running `"docker" "start" "-a" "5f8021fc8128f2e7f2f759495a26c1c177384a2f022996ed71630155a338aec4"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "5f8021fc8128f2e7f2f759495a26c1c177384a2f022996ed71630155a338aec4"`
[INFO] running `"docker" "rm" "-f" "5f8021fc8128f2e7f2f759495a26c1c177384a2f022996ed71630155a338aec4"`
[INFO] [stdout] 5f8021fc8128f2e7f2f759495a26c1c177384a2f022996ed71630155a338aec4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sipubot/RS-png_json_builder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 73c510f380ebc861b7e8f1156a5e759c892b62b9432111d263651f799e6be49d
[INFO] running `"docker" "start" "-a" "73c510f380ebc861b7e8f1156a5e759c892b62b9432111d263651f799e6be49d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RS_json_build-6af5b23129def7a9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "73c510f380ebc861b7e8f1156a5e759c892b62b9432111d263651f799e6be49d"`
[INFO] running `"docker" "rm" "-f" "73c510f380ebc861b7e8f1156a5e759c892b62b9432111d263651f799e6be49d"`
[INFO] [stdout] 73c510f380ebc861b7e8f1156a5e759c892b62b9432111d263651f799e6be49d