[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-1.38-1/sources/1.37.0/gh/t15k/vids"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/t15k/vids'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/t15k/vids" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/t15k/vids"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of t15k/vids 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 t15k/vids
[INFO] finished frobbing t15k/vids
[INFO] frobbed toml for t15k/vids written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 t15k/vids 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-0/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0de7c72d5d8edc5cef26f1f19efd7d27213bd44d9f2175676c2fde081a23683f
[INFO] running `"docker" "start" "-a" "0de7c72d5d8edc5cef26f1f19efd7d27213bd44d9f2175676c2fde081a23683f"`
[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 1.85s
[INFO] running `"docker" "inspect" "0de7c72d5d8edc5cef26f1f19efd7d27213bd44d9f2175676c2fde081a23683f"`
[INFO] running `"docker" "rm" "-f" "0de7c72d5d8edc5cef26f1f19efd7d27213bd44d9f2175676c2fde081a23683f"`
[INFO] [stdout] 0de7c72d5d8edc5cef26f1f19efd7d27213bd44d9f2175676c2fde081a23683f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a2f8ba280af7a48428979402af9b7c5d9bffa42a02359b96a71f97ecb7d5f5ce
[INFO] running `"docker" "start" "-a" "a2f8ba280af7a48428979402af9b7c5d9bffa42a02359b96a71f97ecb7d5f5ce"`
[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 0.87s
[INFO] running `"docker" "inspect" "a2f8ba280af7a48428979402af9b7c5d9bffa42a02359b96a71f97ecb7d5f5ce"`
[INFO] running `"docker" "rm" "-f" "a2f8ba280af7a48428979402af9b7c5d9bffa42a02359b96a71f97ecb7d5f5ce"`
[INFO] [stdout] a2f8ba280af7a48428979402af9b7c5d9bffa42a02359b96a71f97ecb7d5f5ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 32b202c34e02ad56648566cdc59aaf16a91aa1bdb12ee30d4f07590118f3a365
[INFO] running `"docker" "start" "-a" "32b202c34e02ad56648566cdc59aaf16a91aa1bdb12ee30d4f07590118f3a365"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vids-a2f69dc00c0c905e
[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" "32b202c34e02ad56648566cdc59aaf16a91aa1bdb12ee30d4f07590118f3a365"`
[INFO] running `"docker" "rm" "-f" "32b202c34e02ad56648566cdc59aaf16a91aa1bdb12ee30d4f07590118f3a365"`
[INFO] [stdout] 32b202c34e02ad56648566cdc59aaf16a91aa1bdb12ee30d4f07590118f3a365