[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-1.38-1/sources/1.37.0/gh/Lignum/steg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Lignum/steg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lignum/steg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lignum/steg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Lignum/steg on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Lignum/steg against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fb11732f319da807aa6e619856da81ac143d52ccffc1f697d3853e32eb22c858
[INFO] running `"docker" "start" "-a" "fb11732f319da807aa6e619856da81ac143d52ccffc1f697d3853e32eb22c858"`
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[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 18.67s
[INFO] running `"docker" "inspect" "fb11732f319da807aa6e619856da81ac143d52ccffc1f697d3853e32eb22c858"`
[INFO] running `"docker" "rm" "-f" "fb11732f319da807aa6e619856da81ac143d52ccffc1f697d3853e32eb22c858"`
[INFO] [stdout] fb11732f319da807aa6e619856da81ac143d52ccffc1f697d3853e32eb22c858
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8cd3c65f32e4aa2dd575c1444d0b24d7aae3747b0d60e11ef2098fd23b3ded4e
[INFO] running `"docker" "start" "-a" "8cd3c65f32e4aa2dd575c1444d0b24d7aae3747b0d60e11ef2098fd23b3ded4e"`
[INFO] [stderr]    Compiling steg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "8cd3c65f32e4aa2dd575c1444d0b24d7aae3747b0d60e11ef2098fd23b3ded4e"`
[INFO] running `"docker" "rm" "-f" "8cd3c65f32e4aa2dd575c1444d0b24d7aae3747b0d60e11ef2098fd23b3ded4e"`
[INFO] [stdout] 8cd3c65f32e4aa2dd575c1444d0b24d7aae3747b0d60e11ef2098fd23b3ded4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8aea2b8677f3b244f0137903484aa943f2b846ded3301863f6a570b549640cc2
[INFO] running `"docker" "start" "-a" "8aea2b8677f3b244f0137903484aa943f2b846ded3301863f6a570b549640cc2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/steg-9b051f5c62bc46f8
[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" "8aea2b8677f3b244f0137903484aa943f2b846ded3301863f6a570b549640cc2"`
[INFO] running `"docker" "rm" "-f" "8aea2b8677f3b244f0137903484aa943f2b846ded3301863f6a570b549640cc2"`
[INFO] [stdout] 8aea2b8677f3b244f0137903484aa943f2b846ded3301863f6a570b549640cc2