[INFO] updating cached repository Lignum/steg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Lignum/steg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Lignum/steg" "work/ex/beta-1.37-6/sources/1.36.0/gh/Lignum/steg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Lignum/steg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lignum/steg" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Lignum/steg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Lignum/steg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80596ff4bb6d28607a7548ab2d03f2f3c677e325
[INFO] sha for GitHub repo Lignum/steg: 80596ff4bb6d28607a7548ab2d03f2f3c677e325
[INFO] validating manifest of Lignum/steg 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 Lignum/steg 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 Lignum/steg
[INFO] finished frobbing Lignum/steg
[INFO] frobbed toml for Lignum/steg written to work/ex/beta-1.37-6/sources/1.36.0/gh/Lignum/steg/Cargo.toml
[INFO] started frobbing Lignum/steg
[INFO] finished frobbing Lignum/steg
[INFO] frobbed toml for Lignum/steg written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Lignum/steg/Cargo.toml
[INFO] crate Lignum/steg 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Lignum/steg 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Lignum/steg:/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] 21516c362f91c48d3f459a3e3da0c6ead89ece7322c64e6ecda138d37bef45de
[INFO] running `"docker" "start" "-a" "21516c362f91c48d3f459a3e3da0c6ead89ece7322c64e6ecda138d37bef45de"`
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raster v0.2.0
[INFO] [stderr]    Compiling steg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.23s
[INFO] running `"docker" "inspect" "21516c362f91c48d3f459a3e3da0c6ead89ece7322c64e6ecda138d37bef45de"`
[INFO] running `"docker" "rm" "-f" "21516c362f91c48d3f459a3e3da0c6ead89ece7322c64e6ecda138d37bef45de"`
[INFO] [stdout] 21516c362f91c48d3f459a3e3da0c6ead89ece7322c64e6ecda138d37bef45de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Lignum/steg:/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] 5304c8dc326f584bfd0c9511eb3fbd896ccd56cdf1ce046c57ae4a44e3f96aed
[INFO] running `"docker" "start" "-a" "5304c8dc326f584bfd0c9511eb3fbd896ccd56cdf1ce046c57ae4a44e3f96aed"`
[INFO] [stderr]    Compiling steg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "5304c8dc326f584bfd0c9511eb3fbd896ccd56cdf1ce046c57ae4a44e3f96aed"`
[INFO] running `"docker" "rm" "-f" "5304c8dc326f584bfd0c9511eb3fbd896ccd56cdf1ce046c57ae4a44e3f96aed"`
[INFO] [stdout] 5304c8dc326f584bfd0c9511eb3fbd896ccd56cdf1ce046c57ae4a44e3f96aed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Lignum/steg:/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] 9a3a68a8c4ddd931cc8e3da3c5ce7bb2f92687accac5aedb5992d8afc0c869b3
[INFO] running `"docker" "start" "-a" "9a3a68a8c4ddd931cc8e3da3c5ce7bb2f92687accac5aedb5992d8afc0c869b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/steg-d5046422e730d18b
[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" "9a3a68a8c4ddd931cc8e3da3c5ce7bb2f92687accac5aedb5992d8afc0c869b3"`
[INFO] running `"docker" "rm" "-f" "9a3a68a8c4ddd931cc8e3da3c5ce7bb2f92687accac5aedb5992d8afc0c869b3"`
[INFO] [stdout] 9a3a68a8c4ddd931cc8e3da3c5ce7bb2f92687accac5aedb5992d8afc0c869b3