[INFO] crate btsdu 0.1.0 is already in cache
[INFO] extracting crate btsdu 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/btsdu/0.1.0
[INFO] extracting crate btsdu 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/btsdu/0.1.0
[INFO] validating manifest of btsdu-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 btsdu-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 btsdu-0.1.0
[INFO] finished frobbing btsdu-0.1.0
[INFO] frobbed toml for btsdu-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/btsdu/0.1.0/Cargo.toml
[INFO] started frobbing btsdu-0.1.0
[INFO] finished frobbing btsdu-0.1.0
[INFO] frobbed toml for btsdu-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/btsdu/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 btsdu-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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/btsdu/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] cfa4407caa442ab363b5e6dd0308fdbb1cc5e343522c148db2db4baee485abb7
[INFO] running `"docker" "start" "-a" "cfa4407caa442ab363b5e6dd0308fdbb1cc5e343522c148db2db4baee485abb7"`
[INFO] [stderr]    Compiling btrfs-send-parse v0.1.0
[INFO] [stderr]    Compiling btsdu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn get_stream(&mut self) -> &mut io::Read {
[INFO] [stderr]    |                                      ^^^^^^^^ help: use `dyn`: `dyn 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/main.rs:110:23
[INFO] [stderr]     |
[INFO] [stderr] 110 | fn write_tree(w: &mut io::Write, tree: FileTreeNode) {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "cfa4407caa442ab363b5e6dd0308fdbb1cc5e343522c148db2db4baee485abb7"`
[INFO] running `"docker" "rm" "-f" "cfa4407caa442ab363b5e6dd0308fdbb1cc5e343522c148db2db4baee485abb7"`
[INFO] [stdout] cfa4407caa442ab363b5e6dd0308fdbb1cc5e343522c148db2db4baee485abb7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/btsdu/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] f62c4cff3333afd6d7b5a7e059ebb72d9ace908b2efee9d7c1bdc0f6fdbc3bd7
[INFO] running `"docker" "start" "-a" "f62c4cff3333afd6d7b5a7e059ebb72d9ace908b2efee9d7c1bdc0f6fdbc3bd7"`
[INFO] [stderr]    Compiling btsdu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn get_stream(&mut self) -> &mut io::Read {
[INFO] [stderr]    |                                      ^^^^^^^^ help: use `dyn`: `dyn 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/main.rs:110:23
[INFO] [stderr]     |
[INFO] [stderr] 110 | fn write_tree(w: &mut io::Write, tree: FileTreeNode) {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "f62c4cff3333afd6d7b5a7e059ebb72d9ace908b2efee9d7c1bdc0f6fdbc3bd7"`
[INFO] running `"docker" "rm" "-f" "f62c4cff3333afd6d7b5a7e059ebb72d9ace908b2efee9d7c1bdc0f6fdbc3bd7"`
[INFO] [stdout] f62c4cff3333afd6d7b5a7e059ebb72d9ace908b2efee9d7c1bdc0f6fdbc3bd7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/btsdu/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] a1f18cfff58d0b35975b1a1267f7bd5cb481867b8185d5b652e15eb115167da5
[INFO] running `"docker" "start" "-a" "a1f18cfff58d0b35975b1a1267f7bd5cb481867b8185d5b652e15eb115167da5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/btsdu-1ba06ebf3478472a
[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" "a1f18cfff58d0b35975b1a1267f7bd5cb481867b8185d5b652e15eb115167da5"`
[INFO] running `"docker" "rm" "-f" "a1f18cfff58d0b35975b1a1267f7bd5cb481867b8185d5b652e15eb115167da5"`
[INFO] [stdout] a1f18cfff58d0b35975b1a1267f7bd5cb481867b8185d5b652e15eb115167da5