[INFO] crate hull 0.1.3 is already in cache
[INFO] extracting crate hull 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/hull/0.1.3
[INFO] extracting crate hull 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hull/0.1.3
[INFO] validating manifest of hull-0.1.3 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 hull-0.1.3 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 hull-0.1.3
[INFO] finished frobbing hull-0.1.3
[INFO] frobbed toml for hull-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hull/0.1.3/Cargo.toml
[INFO] started frobbing hull-0.1.3
[INFO] finished frobbing hull-0.1.3
[INFO] frobbed toml for hull-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hull/0.1.3/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] [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] [stderr]     Blocking waiting for file lock on package cache
[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 hull-0.1.3 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hull/0.1.3:/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] 7a14ca414c6bd71d9004dd4b1dfcd14b67e1f29c62a2d8597f7a3f4a730046ab
[INFO] running `"docker" "start" "-a" "7a14ca414c6bd71d9004dd4b1dfcd14b67e1f29c62a2d8597f7a3f4a730046ab"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling os_pipe v0.6.2
[INFO] [stderr]    Compiling shared_child v0.3.3
[INFO] [stderr]    Compiling duct v0.10.0
[INFO] [stderr]    Compiling hull v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command/entry.rs:56:65
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn command<'c>(self, manifest_path: &'c PathBuf) -> Box<command::Command + 'c> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn command::Command + 'c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `"docker" "inspect" "7a14ca414c6bd71d9004dd4b1dfcd14b67e1f29c62a2d8597f7a3f4a730046ab"`
[INFO] running `"docker" "rm" "-f" "7a14ca414c6bd71d9004dd4b1dfcd14b67e1f29c62a2d8597f7a3f4a730046ab"`
[INFO] [stdout] 7a14ca414c6bd71d9004dd4b1dfcd14b67e1f29c62a2d8597f7a3f4a730046ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hull/0.1.3:/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] d3563d3c38059b60a861687cae678c7cbe0230c7c5355f33f70a80966e1667fd
[INFO] running `"docker" "start" "-a" "d3563d3c38059b60a861687cae678c7cbe0230c7c5355f33f70a80966e1667fd"`
[INFO] [stderr]    Compiling hull v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command/entry.rs:56:65
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn command<'c>(self, manifest_path: &'c PathBuf) -> Box<command::Command + 'c> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn command::Command + 'c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "d3563d3c38059b60a861687cae678c7cbe0230c7c5355f33f70a80966e1667fd"`
[INFO] running `"docker" "rm" "-f" "d3563d3c38059b60a861687cae678c7cbe0230c7c5355f33f70a80966e1667fd"`
[INFO] [stdout] d3563d3c38059b60a861687cae678c7cbe0230c7c5355f33f70a80966e1667fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hull/0.1.3:/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] 45b8e87617908522bed82b14e2ce43579aad8cd43135ff49b111ceab55eb018e
[INFO] running `"docker" "start" "-a" "45b8e87617908522bed82b14e2ce43579aad8cd43135ff49b111ceab55eb018e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hull-8055dc5e7b083498
[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" "45b8e87617908522bed82b14e2ce43579aad8cd43135ff49b111ceab55eb018e"`
[INFO] running `"docker" "rm" "-f" "45b8e87617908522bed82b14e2ce43579aad8cd43135ff49b111ceab55eb018e"`
[INFO] [stdout] 45b8e87617908522bed82b14e2ce43579aad8cd43135ff49b111ceab55eb018e