[INFO] crate osm_pbf_iter 0.1.0 is already in cache
[INFO] extracting crate osm_pbf_iter 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/osm_pbf_iter/0.1.0
[INFO] extracting crate osm_pbf_iter 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/osm_pbf_iter/0.1.0
[INFO] validating manifest of osm_pbf_iter-0.1.0 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 osm_pbf_iter-0.1.0 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 osm_pbf_iter-0.1.0
[INFO] finished frobbing osm_pbf_iter-0.1.0
[INFO] frobbed toml for osm_pbf_iter-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/osm_pbf_iter/0.1.0/Cargo.toml
[INFO] started frobbing osm_pbf_iter-0.1.0
[INFO] finished frobbing osm_pbf_iter-0.1.0
[INFO] frobbed toml for osm_pbf_iter-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/osm_pbf_iter/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing osm_pbf_iter-0.1.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/osm_pbf_iter/0.1.0:/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] 60bd3cc9c016505e370e25b9accebf78d2ca1aa530c5382c7511bd0ba172925a
[INFO] running `"docker" "start" "-a" "60bd3cc9c016505e370e25b9accebf78d2ca1aa530c5382c7511bd0ba172925a"`
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling protobuf_iter v0.1.2
[INFO] [stderr]    Compiling osm_pbf_iter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parse/tags.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |             opt_iter.as_mut().and_then(|mut iter| iter.next());
[INFO] [stderr]    |                                         ----^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `"docker" "inspect" "60bd3cc9c016505e370e25b9accebf78d2ca1aa530c5382c7511bd0ba172925a"`
[INFO] running `"docker" "rm" "-f" "60bd3cc9c016505e370e25b9accebf78d2ca1aa530c5382c7511bd0ba172925a"`
[INFO] [stdout] 60bd3cc9c016505e370e25b9accebf78d2ca1aa530c5382c7511bd0ba172925a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/osm_pbf_iter/0.1.0:/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] c5b196d79591965251139f0b07ad15ec99ce3698c31dcd32d810fd6d9f546c1a
[INFO] running `"docker" "start" "-a" "c5b196d79591965251139f0b07ad15ec99ce3698c31dcd32d810fd6d9f546c1a"`
[INFO] [stderr]    Compiling osm_pbf_iter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parse/tags.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |             opt_iter.as_mut().and_then(|mut iter| iter.next());
[INFO] [stderr]    |                                         ----^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "c5b196d79591965251139f0b07ad15ec99ce3698c31dcd32d810fd6d9f546c1a"`
[INFO] running `"docker" "rm" "-f" "c5b196d79591965251139f0b07ad15ec99ce3698c31dcd32d810fd6d9f546c1a"`
[INFO] [stdout] c5b196d79591965251139f0b07ad15ec99ce3698c31dcd32d810fd6d9f546c1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/osm_pbf_iter/0.1.0:/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] fd99ec928d2b497b76a82d6d2bebed695da0114443171dd0a7af037952ed24b9
[INFO] running `"docker" "start" "-a" "fd99ec928d2b497b76a82d6d2bebed695da0114443171dd0a7af037952ed24b9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/osm_pbf_iter-828a17f05fd851f5
[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] [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] [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]      Running /opt/crater/target/debug/deps/count-8d9d036e55125d89
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dump-e5351ec9e9c44f19
[INFO] [stderr]    Doc-tests osm_pbf_iter
[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" "fd99ec928d2b497b76a82d6d2bebed695da0114443171dd0a7af037952ed24b9"`
[INFO] running `"docker" "rm" "-f" "fd99ec928d2b497b76a82d6d2bebed695da0114443171dd0a7af037952ed24b9"`
[INFO] [stdout] fd99ec928d2b497b76a82d6d2bebed695da0114443171dd0a7af037952ed24b9