[INFO] crate columnar 0.0.19 is already in cache
[INFO] extracting crate columnar 0.0.19 into work/ex/beta-1.38-1/sources/1.37.0/reg/columnar/0.0.19
[INFO] extracting crate columnar 0.0.19 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/columnar/0.0.19
[INFO] validating manifest of columnar-0.0.19 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 columnar-0.0.19 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 columnar-0.0.19
[INFO] finished frobbing columnar-0.0.19
[INFO] frobbed toml for columnar-0.0.19 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/columnar/0.0.19/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing columnar-0.0.19 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d1fde9361d0bf12b03c9ee6783d85976d99fab3a068368eadd29d9bb75a8361e
[INFO] running `"docker" "start" "-a" "d1fde9361d0bf12b03c9ee6783d85976d99fab3a068368eadd29d9bb75a8361e"`
[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 0.33s
[INFO] running `"docker" "inspect" "d1fde9361d0bf12b03c9ee6783d85976d99fab3a068368eadd29d9bb75a8361e"`
[INFO] running `"docker" "rm" "-f" "d1fde9361d0bf12b03c9ee6783d85976d99fab3a068368eadd29d9bb75a8361e"`
[INFO] [stdout] d1fde9361d0bf12b03c9ee6783d85976d99fab3a068368eadd29d9bb75a8361e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 578bec9cd1f7d343b22c254d564b208c0ee9b0240e7b166d0a109d078f16d55c
[INFO] running `"docker" "start" "-a" "578bec9cd1f7d343b22c254d564b208c0ee9b0240e7b166d0a109d078f16d55c"`
[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 0.43s
[INFO] running `"docker" "inspect" "578bec9cd1f7d343b22c254d564b208c0ee9b0240e7b166d0a109d078f16d55c"`
[INFO] running `"docker" "rm" "-f" "578bec9cd1f7d343b22c254d564b208c0ee9b0240e7b166d0a109d078f16d55c"`
[INFO] [stdout] 578bec9cd1f7d343b22c254d564b208c0ee9b0240e7b166d0a109d078f16d55c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b89e6f97cffee0e5e01ebc5dcb22c9dce642c6a4f94b0d040cc2502a2e413d0d
[INFO] running `"docker" "start" "-a" "b89e6f97cffee0e5e01ebc5dcb22c9dce642c6a4f94b0d040cc2502a2e413d0d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/columnar-f0277e386b32e107
[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" "b89e6f97cffee0e5e01ebc5dcb22c9dce642c6a4f94b0d040cc2502a2e413d0d"`
[INFO] running `"docker" "rm" "-f" "b89e6f97cffee0e5e01ebc5dcb22c9dce642c6a4f94b0d040cc2502a2e413d0d"`
[INFO] [stdout] b89e6f97cffee0e5e01ebc5dcb22c9dce642c6a4f94b0d040cc2502a2e413d0d