[INFO] crate columnar 0.0.19 is already in cache
[INFO] extracting crate columnar 0.0.19 into work/ex/beta-1.37-6/sources/1.36.0/reg/columnar/0.0.19
[INFO] extracting crate columnar 0.0.19 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/columnar/0.0.19
[INFO] validating manifest of columnar-0.0.19 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 columnar-0.0.19 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 columnar-0.0.19
[INFO] finished frobbing columnar-0.0.19
[INFO] frobbed toml for columnar-0.0.19 written to work/ex/beta-1.37-6/sources/1.36.0/reg/columnar/0.0.19/Cargo.toml
[INFO] started frobbing columnar-0.0.19
[INFO] finished frobbing columnar-0.0.19
[INFO] frobbed toml for columnar-0.0.19 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/columnar/0.0.19/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] testing columnar-0.0.19 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-4/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/columnar/0.0.19:/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] e6acd8569b4f095471dc38edf39df8ecb2fed1c4fe00a01d62ed60f02ae8be6b
[INFO] running `"docker" "start" "-a" "e6acd8569b4f095471dc38edf39df8ecb2fed1c4fe00a01d62ed60f02ae8be6b"`
[INFO] [stderr]    Compiling columnar v0.0.19 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::size_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "e6acd8569b4f095471dc38edf39df8ecb2fed1c4fe00a01d62ed60f02ae8be6b"`
[INFO] running `"docker" "rm" "-f" "e6acd8569b4f095471dc38edf39df8ecb2fed1c4fe00a01d62ed60f02ae8be6b"`
[INFO] [stdout] e6acd8569b4f095471dc38edf39df8ecb2fed1c4fe00a01d62ed60f02ae8be6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/columnar/0.0.19:/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] 0ff4c7c09c4c7a838f279a4f56a8d23d3d39da86e6d3cd432f77c21ff76a3c0a
[INFO] running `"docker" "start" "-a" "0ff4c7c09c4c7a838f279a4f56a8d23d3d39da86e6d3cd432f77c21ff76a3c0a"`
[INFO] [stderr]    Compiling columnar v0.0.19 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::size_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "0ff4c7c09c4c7a838f279a4f56a8d23d3d39da86e6d3cd432f77c21ff76a3c0a"`
[INFO] running `"docker" "rm" "-f" "0ff4c7c09c4c7a838f279a4f56a8d23d3d39da86e6d3cd432f77c21ff76a3c0a"`
[INFO] [stdout] 0ff4c7c09c4c7a838f279a4f56a8d23d3d39da86e6d3cd432f77c21ff76a3c0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/columnar/0.0.19:/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] 500eae1fdfd647356b4500a6611318daef39386c239999100479d9e31536c41c
[INFO] running `"docker" "start" "-a" "500eae1fdfd647356b4500a6611318daef39386c239999100479d9e31536c41c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/columnar-8937fb8ed5f1d4fe
[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] [stderr]    Doc-tests columnar
[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" "500eae1fdfd647356b4500a6611318daef39386c239999100479d9e31536c41c"`
[INFO] running `"docker" "rm" "-f" "500eae1fdfd647356b4500a6611318daef39386c239999100479d9e31536c41c"`
[INFO] [stdout] 500eae1fdfd647356b4500a6611318daef39386c239999100479d9e31536c41c