[INFO] updating cached repository Refefer/pairwizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Refefer/pairwizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Refefer/pairwizer" "work/ex/beta-1.38-1/sources/1.37.0/gh/Refefer/pairwizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Refefer/pairwizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Refefer/pairwizer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Refefer/pairwizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Refefer/pairwizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79987337ff5305c88bec2fdc2f5263d4f622eea0
[INFO] sha for GitHub repo Refefer/pairwizer: 79987337ff5305c88bec2fdc2f5263d4f622eea0
[INFO] validating manifest of Refefer/pairwizer 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 Refefer/pairwizer 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 Refefer/pairwizer
[INFO] finished frobbing Refefer/pairwizer
[INFO] frobbed toml for Refefer/pairwizer written to work/ex/beta-1.38-1/sources/1.37.0/gh/Refefer/pairwizer/Cargo.toml
[INFO] started frobbing Refefer/pairwizer
[INFO] finished frobbing Refefer/pairwizer
[INFO] frobbed toml for Refefer/pairwizer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Refefer/pairwizer/Cargo.toml
[INFO] crate Refefer/pairwizer 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Refefer/pairwizer/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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" "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] testing Refefer/pairwizer 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-3/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/Refefer/pairwizer:/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] f074e9bb22e667776f588478c941d8a48ea76f1f7b45d9dc6f6c4b5f3b327029
[INFO] running `"docker" "start" "-a" "f074e9bb22e667776f588478c941d8a48ea76f1f7b45d9dc6f6c4b5f3b327029"`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling pairwizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:271:25
[INFO] [stderr]     |
[INFO] [stderr] 271 |     let mut reader: Box<reader::GameReader> = if args.is_present("groups-are-separate") {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn reader::GameReader`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `"docker" "inspect" "f074e9bb22e667776f588478c941d8a48ea76f1f7b45d9dc6f6c4b5f3b327029"`
[INFO] running `"docker" "rm" "-f" "f074e9bb22e667776f588478c941d8a48ea76f1f7b45d9dc6f6c4b5f3b327029"`
[INFO] [stdout] f074e9bb22e667776f588478c941d8a48ea76f1f7b45d9dc6f6c4b5f3b327029
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/Refefer/pairwizer:/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] 80e4bff270273b1bef408f528b489b42094b0def6112241be626c38b5538260e
[INFO] running `"docker" "start" "-a" "80e4bff270273b1bef408f528b489b42094b0def6112241be626c38b5538260e"`
[INFO] [stderr]    Compiling pairwizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:271:25
[INFO] [stderr]     |
[INFO] [stderr] 271 |     let mut reader: Box<reader::GameReader> = if args.is_present("groups-are-separate") {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn reader::GameReader`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "80e4bff270273b1bef408f528b489b42094b0def6112241be626c38b5538260e"`
[INFO] running `"docker" "rm" "-f" "80e4bff270273b1bef408f528b489b42094b0def6112241be626c38b5538260e"`
[INFO] [stdout] 80e4bff270273b1bef408f528b489b42094b0def6112241be626c38b5538260e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/Refefer/pairwizer:/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] 3a2493cc59a46e6be59ed838f2c95c1d05bfe484f053d15ab2879893e20074b6
[INFO] running `"docker" "start" "-a" "3a2493cc59a46e6be59ed838f2c95c1d05bfe484f053d15ab2879893e20074b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pairwizer-b1703b03baccafb8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test pr::test_page_rank::test_example ... ok
[INFO] [stdout] test pr::test_page_rank::test_all_links ... ok
[INFO] [stdout] test pr::test_page_rank::test_reverse ... ok
[INFO] [stdout] test g2::test_glicko::test_small_tau ... ok
[INFO] [stdout] test g2::test_glicko::test_given_example ... 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" "3a2493cc59a46e6be59ed838f2c95c1d05bfe484f053d15ab2879893e20074b6"`
[INFO] running `"docker" "rm" "-f" "3a2493cc59a46e6be59ed838f2c95c1d05bfe484f053d15ab2879893e20074b6"`
[INFO] [stdout] 3a2493cc59a46e6be59ed838f2c95c1d05bfe484f053d15ab2879893e20074b6