[INFO] updating cached repository kw-udon/succinct_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kw-udon/succinct_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kw-udon/succinct_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/kw-udon/succinct_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kw-udon/succinct_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kw-udon/succinct_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kw-udon/succinct_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kw-udon/succinct_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 294e92fee0dc18dbf38f0a39e6d63c576e0a0908
[INFO] sha for GitHub repo kw-udon/succinct_tree: 294e92fee0dc18dbf38f0a39e6d63c576e0a0908
[INFO] validating manifest of kw-udon/succinct_tree 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 kw-udon/succinct_tree 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 kw-udon/succinct_tree
[INFO] finished frobbing kw-udon/succinct_tree
[INFO] frobbed toml for kw-udon/succinct_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/kw-udon/succinct_tree/Cargo.toml
[INFO] started frobbing kw-udon/succinct_tree
[INFO] finished frobbing kw-udon/succinct_tree
[INFO] frobbed toml for kw-udon/succinct_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kw-udon/succinct_tree/Cargo.toml
[INFO] crate kw-udon/succinct_tree 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] [stderr]     Blocking waiting for file lock on package cache
[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] testing kw-udon/succinct_tree 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kw-udon/succinct_tree:/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] 3658e274faaef3eacbb96691e4a4829e326d03d004294b6528d3404bf6fa8441
[INFO] running `"docker" "start" "-a" "3658e274faaef3eacbb96691e4a4829e326d03d004294b6528d3404bf6fa8441"`
[INFO] [stderr]    Compiling succinct_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | 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 0.89s
[INFO] running `"docker" "inspect" "3658e274faaef3eacbb96691e4a4829e326d03d004294b6528d3404bf6fa8441"`
[INFO] running `"docker" "rm" "-f" "3658e274faaef3eacbb96691e4a4829e326d03d004294b6528d3404bf6fa8441"`
[INFO] [stdout] 3658e274faaef3eacbb96691e4a4829e326d03d004294b6528d3404bf6fa8441
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kw-udon/succinct_tree:/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] 2ebbb09a633f7f32310826b969152bf367ad56a50fbb0bd13c0ad87dc00f7c9d
[INFO] running `"docker" "start" "-a" "2ebbb09a633f7f32310826b969152bf367ad56a50fbb0bd13c0ad87dc00f7c9d"`
[INFO] [stderr]    Compiling succinct_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | 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 1.20s
[INFO] running `"docker" "inspect" "2ebbb09a633f7f32310826b969152bf367ad56a50fbb0bd13c0ad87dc00f7c9d"`
[INFO] running `"docker" "rm" "-f" "2ebbb09a633f7f32310826b969152bf367ad56a50fbb0bd13c0ad87dc00f7c9d"`
[INFO] [stdout] 2ebbb09a633f7f32310826b969152bf367ad56a50fbb0bd13c0ad87dc00f7c9d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kw-udon/succinct_tree:/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] f2f7cb584cd39e9e2d38959263a396a56163043518bb4ebd580b5079ccf2af4f
[INFO] running `"docker" "start" "-a" "f2f7cb584cd39e9e2d38959263a396a56163043518bb4ebd580b5079ccf2af4f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/succinct_tree-7aa00d74bea6d8d8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test balanced_paren::tests::test_find_close3 ... ok
[INFO] [stdout] test rank_select::tests::test_rank ... ok
[INFO] [stdout] test balanced_paren::tests::test_find_close2 ... ok
[INFO] [stdout] test rank_select::tests::test_select ... ok
[INFO] [stdout] test balanced_paren::tests::test_find_close1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f2f7cb584cd39e9e2d38959263a396a56163043518bb4ebd580b5079ccf2af4f"`
[INFO] running `"docker" "rm" "-f" "f2f7cb584cd39e9e2d38959263a396a56163043518bb4ebd580b5079ccf2af4f"`
[INFO] [stdout] f2f7cb584cd39e9e2d38959263a396a56163043518bb4ebd580b5079ccf2af4f