[INFO] crate crystal 0.0.0 is already in cache
[INFO] extracting crate crystal 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/crystal/0.0.0
[INFO] extracting crate crystal 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crystal/0.0.0
[INFO] validating manifest of crystal-0.0.0 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 crystal-0.0.0 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 crystal-0.0.0
[INFO] finished frobbing crystal-0.0.0
[INFO] frobbed toml for crystal-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/crystal/0.0.0/Cargo.toml
[INFO] started frobbing crystal-0.0.0
[INFO] finished frobbing crystal-0.0.0
[INFO] frobbed toml for crystal-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crystal/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 crystal-0.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crystal/0.0.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c99b1edc27fd4ffae3b42d9aa00524eda146c0fcb81ce64a3cdf328f8dd19e7a
[INFO] running `"docker" "start" "-a" "c99b1edc27fd4ffae3b42d9aa00524eda146c0fcb81ce64a3cdf328f8dd19e7a"`
[INFO] [stderr]    Compiling crystal v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "c99b1edc27fd4ffae3b42d9aa00524eda146c0fcb81ce64a3cdf328f8dd19e7a"`
[INFO] running `"docker" "rm" "-f" "c99b1edc27fd4ffae3b42d9aa00524eda146c0fcb81ce64a3cdf328f8dd19e7a"`
[INFO] [stdout] c99b1edc27fd4ffae3b42d9aa00524eda146c0fcb81ce64a3cdf328f8dd19e7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crystal/0.0.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 789193b5e15aec2bb184760dff503850b321a0246a6e74f18ac02d017baa537f
[INFO] running `"docker" "start" "-a" "789193b5e15aec2bb184760dff503850b321a0246a6e74f18ac02d017baa537f"`
[INFO] [stderr]    Compiling crystal v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "789193b5e15aec2bb184760dff503850b321a0246a6e74f18ac02d017baa537f"`
[INFO] running `"docker" "rm" "-f" "789193b5e15aec2bb184760dff503850b321a0246a6e74f18ac02d017baa537f"`
[INFO] [stdout] 789193b5e15aec2bb184760dff503850b321a0246a6e74f18ac02d017baa537f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/crystal/0.0.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 08a3f35020ea3dec03bcfdd198fd1a2a0b32a1418642405f20c51fe67a9f0b4e
[INFO] running `"docker" "start" "-a" "08a3f35020ea3dec03bcfdd198fd1a2a0b32a1418642405f20c51fe67a9f0b4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crystal-94be9e28004c0ea6
[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" "08a3f35020ea3dec03bcfdd198fd1a2a0b32a1418642405f20c51fe67a9f0b4e"`
[INFO] running `"docker" "rm" "-f" "08a3f35020ea3dec03bcfdd198fd1a2a0b32a1418642405f20c51fe67a9f0b4e"`
[INFO] [stdout] 08a3f35020ea3dec03bcfdd198fd1a2a0b32a1418642405f20c51fe67a9f0b4e