[INFO] updating cached repository ntdef/groupby
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ntdef/groupby
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ntdef/groupby" "work/ex/beta-1.38-1/sources/1.37.0/gh/ntdef/groupby"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ntdef/groupby'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ntdef/groupby" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ntdef/groupby"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ntdef/groupby'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a3c86b0bc8d729e58824bcfa162f24a4b91031d
[INFO] sha for GitHub repo ntdef/groupby: 1a3c86b0bc8d729e58824bcfa162f24a4b91031d
[INFO] validating manifest of ntdef/groupby 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 ntdef/groupby 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 ntdef/groupby
[INFO] finished frobbing ntdef/groupby
[INFO] frobbed toml for ntdef/groupby written to work/ex/beta-1.38-1/sources/1.37.0/gh/ntdef/groupby/Cargo.toml
[INFO] started frobbing ntdef/groupby
[INFO] finished frobbing ntdef/groupby
[INFO] frobbed toml for ntdef/groupby written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ntdef/groupby/Cargo.toml
[INFO] crate ntdef/groupby 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 ntdef/groupby 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ntdef/groupby:/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] 185c9508a96acaac1ddd58120101586994a72328ba8feee3793d34bbc50549e6
[INFO] running `"docker" "start" "-a" "185c9508a96acaac1ddd58120101586994a72328ba8feee3793d34bbc50549e6"`
[INFO] [stderr]    Compiling groupby v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:18
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let rdr: Box<BufRead> = match input.as_ref() {
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "185c9508a96acaac1ddd58120101586994a72328ba8feee3793d34bbc50549e6"`
[INFO] running `"docker" "rm" "-f" "185c9508a96acaac1ddd58120101586994a72328ba8feee3793d34bbc50549e6"`
[INFO] [stdout] 185c9508a96acaac1ddd58120101586994a72328ba8feee3793d34bbc50549e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ntdef/groupby:/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] 789c3eb9f9dfc6fa88f0299d8c98a7e0bf0ca5c4a8c17d09fa1e52b030daf79a
[INFO] running `"docker" "start" "-a" "789c3eb9f9dfc6fa88f0299d8c98a7e0bf0ca5c4a8c17d09fa1e52b030daf79a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling groupby v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:18
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let rdr: Box<BufRead> = match input.as_ref() {
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "789c3eb9f9dfc6fa88f0299d8c98a7e0bf0ca5c4a8c17d09fa1e52b030daf79a"`
[INFO] running `"docker" "rm" "-f" "789c3eb9f9dfc6fa88f0299d8c98a7e0bf0ca5c4a8c17d09fa1e52b030daf79a"`
[INFO] [stdout] 789c3eb9f9dfc6fa88f0299d8c98a7e0bf0ca5c4a8c17d09fa1e52b030daf79a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ntdef/groupby:/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] ec7ec2e75b69332eb74c5d621bd0cd886e19ee4c4f9c58b7334491393ea47d59
[INFO] running `"docker" "start" "-a" "ec7ec2e75b69332eb74c5d621bd0cd886e19ee4c4f9c58b7334491393ea47d59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/groupby-66c9d1d69f2105ed
[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" "ec7ec2e75b69332eb74c5d621bd0cd886e19ee4c4f9c58b7334491393ea47d59"`
[INFO] running `"docker" "rm" "-f" "ec7ec2e75b69332eb74c5d621bd0cd886e19ee4c4f9c58b7334491393ea47d59"`
[INFO] [stdout] ec7ec2e75b69332eb74c5d621bd0cd886e19ee4c4f9c58b7334491393ea47d59