[INFO] updating cached repository bibhas2/inverted_index
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bibhas2/inverted_index
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bibhas2/inverted_index" "work/ex/beta-1.38-1/sources/1.37.0/gh/bibhas2/inverted_index"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bibhas2/inverted_index'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bibhas2/inverted_index" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bibhas2/inverted_index"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bibhas2/inverted_index'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 03dac4485346f99ba60927df61a20c1dd6d08b3b
[INFO] sha for GitHub repo bibhas2/inverted_index: 03dac4485346f99ba60927df61a20c1dd6d08b3b
[INFO] validating manifest of bibhas2/inverted_index 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 bibhas2/inverted_index 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 bibhas2/inverted_index
[INFO] finished frobbing bibhas2/inverted_index
[INFO] frobbed toml for bibhas2/inverted_index written to work/ex/beta-1.38-1/sources/1.37.0/gh/bibhas2/inverted_index/Cargo.toml
[INFO] started frobbing bibhas2/inverted_index
[INFO] finished frobbing bibhas2/inverted_index
[INFO] frobbed toml for bibhas2/inverted_index written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bibhas2/inverted_index/Cargo.toml
[INFO] crate bibhas2/inverted_index 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 bibhas2/inverted_index 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bibhas2/inverted_index:/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] 982a2a65d5fb7886fb0a47c9198d53e7ac618a29cbcc216679264a23a400d3de
[INFO] running `"docker" "start" "-a" "982a2a65d5fb7886fb0a47c9198d53e7ac618a29cbcc216679264a23a400d3de"`
[INFO] [stderr]    Compiling inverted_index v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/index.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/index.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "982a2a65d5fb7886fb0a47c9198d53e7ac618a29cbcc216679264a23a400d3de"`
[INFO] running `"docker" "rm" "-f" "982a2a65d5fb7886fb0a47c9198d53e7ac618a29cbcc216679264a23a400d3de"`
[INFO] [stdout] 982a2a65d5fb7886fb0a47c9198d53e7ac618a29cbcc216679264a23a400d3de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bibhas2/inverted_index:/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] d06da0e3105e80dc7ca35d9c14aed409cedce78b896cb8e20b3d1969e6847f07
[INFO] running `"docker" "start" "-a" "d06da0e3105e80dc7ca35d9c14aed409cedce78b896cb8e20b3d1969e6847f07"`
[INFO] [stderr]    Compiling inverted_index v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/index.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/index.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "d06da0e3105e80dc7ca35d9c14aed409cedce78b896cb8e20b3d1969e6847f07"`
[INFO] running `"docker" "rm" "-f" "d06da0e3105e80dc7ca35d9c14aed409cedce78b896cb8e20b3d1969e6847f07"`
[INFO] [stdout] d06da0e3105e80dc7ca35d9c14aed409cedce78b896cb8e20b3d1969e6847f07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bibhas2/inverted_index:/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] 266d1a8d42d2e6d114be4dc7841111547353aedbe9f0631d315311c741847557
[INFO] running `"docker" "start" "-a" "266d1a8d42d2e6d114be4dc7841111547353aedbe9f0631d315311c741847557"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/inverted_index-03591936d8e47e7e
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "266d1a8d42d2e6d114be4dc7841111547353aedbe9f0631d315311c741847557"`
[INFO] running `"docker" "rm" "-f" "266d1a8d42d2e6d114be4dc7841111547353aedbe9f0631d315311c741847557"`
[INFO] [stdout] 266d1a8d42d2e6d114be4dc7841111547353aedbe9f0631d315311c741847557