[INFO] updating cached repository t15k/vids
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/t15k/vids
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/t15k/vids" "work/ex/beta-1.37-6/sources/1.36.0/gh/t15k/vids"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/t15k/vids'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/t15k/vids" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/t15k/vids"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/t15k/vids'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b002833b3720434c040b994460c4e78018563b4e
[INFO] sha for GitHub repo t15k/vids: b002833b3720434c040b994460c4e78018563b4e
[INFO] validating manifest of t15k/vids on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of t15k/vids on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing t15k/vids
[INFO] finished frobbing t15k/vids
[INFO] frobbed toml for t15k/vids written to work/ex/beta-1.37-6/sources/1.36.0/gh/t15k/vids/Cargo.toml
[INFO] started frobbing t15k/vids
[INFO] finished frobbing t15k/vids
[INFO] frobbed toml for t15k/vids written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/t15k/vids/Cargo.toml
[INFO] crate t15k/vids already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing t15k/vids against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/t15k/vids:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a1fac0289214b49a4030dc72ffc46087b4f2aade5c54cbb6585e31a21fd7a821
[INFO] running `"docker" "start" "-a" "a1fac0289214b49a4030dc72ffc46087b4f2aade5c54cbb6585e31a21fd7a821"`
[INFO] [stderr]    Compiling vids v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn write_varint(n :u64, w :&mut Write) {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "a1fac0289214b49a4030dc72ffc46087b4f2aade5c54cbb6585e31a21fd7a821"`
[INFO] running `"docker" "rm" "-f" "a1fac0289214b49a4030dc72ffc46087b4f2aade5c54cbb6585e31a21fd7a821"`
[INFO] [stdout] a1fac0289214b49a4030dc72ffc46087b4f2aade5c54cbb6585e31a21fd7a821
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/t15k/vids:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f3f24a6a01d068580942ee79076377b1d7a37d38464e1768e732ad6ef4424329
[INFO] running `"docker" "start" "-a" "f3f24a6a01d068580942ee79076377b1d7a37d38464e1768e732ad6ef4424329"`
[INFO] [stderr]    Compiling vids v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn write_varint(n :u64, w :&mut Write) {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "f3f24a6a01d068580942ee79076377b1d7a37d38464e1768e732ad6ef4424329"`
[INFO] running `"docker" "rm" "-f" "f3f24a6a01d068580942ee79076377b1d7a37d38464e1768e732ad6ef4424329"`
[INFO] [stdout] f3f24a6a01d068580942ee79076377b1d7a37d38464e1768e732ad6ef4424329
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/t15k/vids:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ccf785863220e89419b65e0c8c8a5485945b53b5db2d04ac0d2d20a114c096a5
[INFO] running `"docker" "start" "-a" "ccf785863220e89419b65e0c8c8a5485945b53b5db2d04ac0d2d20a114c096a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vids-631f3205d805f25d
[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" "ccf785863220e89419b65e0c8c8a5485945b53b5db2d04ac0d2d20a114c096a5"`
[INFO] running `"docker" "rm" "-f" "ccf785863220e89419b65e0c8c8a5485945b53b5db2d04ac0d2d20a114c096a5"`
[INFO] [stdout] ccf785863220e89419b65e0c8c8a5485945b53b5db2d04ac0d2d20a114c096a5