[INFO] crate varbincode 0.1.0 is already in cache
[INFO] extracting crate varbincode 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/varbincode/0.1.0
[INFO] extracting crate varbincode 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varbincode/0.1.0
[INFO] validating manifest of varbincode-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 varbincode-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 varbincode-0.1.0
[INFO] finished frobbing varbincode-0.1.0
[INFO] frobbed toml for varbincode-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/varbincode/0.1.0/Cargo.toml
[INFO] started frobbing varbincode-0.1.0
[INFO] finished frobbing varbincode-0.1.0
[INFO] frobbed toml for varbincode-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varbincode/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 varbincode-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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/varbincode/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] 3859d21c37774d8b30746b3304bd59608c3a0b4b8834ace3a728c0a3ea6b0c64
[INFO] running `"docker" "start" "-a" "3859d21c37774d8b30746b3304bd59608c3a0b4b8834ace3a728c0a3ea6b0c64"`
[INFO] [stderr]    Compiling varbincode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/de.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     reader: &'a mut std::io::Read,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/de.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(reader: &'a mut std::io::Read) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ser.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     writer: &'a mut std::io::Write,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ser.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(writer: &'a mut std::io::Write) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "3859d21c37774d8b30746b3304bd59608c3a0b4b8834ace3a728c0a3ea6b0c64"`
[INFO] running `"docker" "rm" "-f" "3859d21c37774d8b30746b3304bd59608c3a0b4b8834ace3a728c0a3ea6b0c64"`
[INFO] [stdout] 3859d21c37774d8b30746b3304bd59608c3a0b4b8834ace3a728c0a3ea6b0c64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/varbincode/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] 358c0fdcdb379824173c44835b255c6282264fc6cced0077c025ddb783ea4be0
[INFO] running `"docker" "start" "-a" "358c0fdcdb379824173c44835b255c6282264fc6cced0077c025ddb783ea4be0"`
[INFO] [stderr]    Compiling varbincode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/de.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     reader: &'a mut std::io::Read,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/de.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(reader: &'a mut std::io::Read) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ser.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 |     writer: &'a mut std::io::Write,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ser.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(writer: &'a mut std::io::Write) -> Self {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "358c0fdcdb379824173c44835b255c6282264fc6cced0077c025ddb783ea4be0"`
[INFO] running `"docker" "rm" "-f" "358c0fdcdb379824173c44835b255c6282264fc6cced0077c025ddb783ea4be0"`
[INFO] [stdout] 358c0fdcdb379824173c44835b255c6282264fc6cced0077c025ddb783ea4be0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/varbincode/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] 974393cd4b8f2106f691b0895c456109795ef5900df82acbebcad00582834cf4
[INFO] running `"docker" "start" "-a" "974393cd4b8f2106f691b0895c456109795ef5900df82acbebcad00582834cf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/varbincode-793065033960bbfa
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test test::test_structs ... ok
[INFO] [stdout] test test::test_vec ... ok
[INFO] [stdout] test test::test_enum ... ok
[INFO] [stdout] test test::test_fixed_size_array ... ok
[INFO] [stdout] test test::test_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varbincode
[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" "974393cd4b8f2106f691b0895c456109795ef5900df82acbebcad00582834cf4"`
[INFO] running `"docker" "rm" "-f" "974393cd4b8f2106f691b0895c456109795ef5900df82acbebcad00582834cf4"`
[INFO] [stdout] 974393cd4b8f2106f691b0895c456109795ef5900df82acbebcad00582834cf4