[INFO] crate unshare 0.5.1 is already in cache
[INFO] extracting crate unshare 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/unshare/0.5.1
[INFO] extracting crate unshare 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unshare/0.5.1
[INFO] validating manifest of unshare-0.5.1 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 unshare-0.5.1 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 unshare-0.5.1
[INFO] finished frobbing unshare-0.5.1
[INFO] frobbed toml for unshare-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/unshare/0.5.1/Cargo.toml
[INFO] started frobbing unshare-0.5.1
[INFO] finished frobbing unshare-0.5.1
[INFO] frobbed toml for unshare-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unshare/0.5.1/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 unshare-0.5.1 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-5/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/unshare/0.5.1:/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] 06d8cdee22b78927f90f57a0cffb2e32d5a7bcf6524a0f519bfecc45b2c1713f
[INFO] running `"docker" "start" "-a" "06d8cdee22b78927f90f57a0cffb2e32d5a7bcf6524a0f519bfecc45b2c1713f"`
[INFO] [stderr]    Compiling unshare v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |     BeforeUnfreeze(Box<::std::error::Error + Send + Sync + 'static>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync + 'static`
[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/run.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub before_exec: &'a Option<Box<Fn() -> Result<(), io::Error>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Result<(), io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 | type BoxError = Box<::std::error::Error + Send + Sync + 'static>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:33
[INFO] [stderr]    |
[INFO] [stderr] 90 |     before_unfreeze: Option<Box<FnMut(u32) -> Result<(), BoxError>>>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u32) -> Result<(), BoxError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:29
[INFO] [stderr]    |
[INFO] [stderr] 91 |     before_exec: Option<Box<Fn() -> Result<(), io::Error>>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Result<(), io::Error>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "06d8cdee22b78927f90f57a0cffb2e32d5a7bcf6524a0f519bfecc45b2c1713f"`
[INFO] running `"docker" "rm" "-f" "06d8cdee22b78927f90f57a0cffb2e32d5a7bcf6524a0f519bfecc45b2c1713f"`
[INFO] [stdout] 06d8cdee22b78927f90f57a0cffb2e32d5a7bcf6524a0f519bfecc45b2c1713f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/unshare/0.5.1:/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] f36dcd8b1ee026f34a356ba5084c33dcb3b734f8dfacd00c4cfe9637e086cd6c
[INFO] running `"docker" "start" "-a" "f36dcd8b1ee026f34a356ba5084c33dcb3b734f8dfacd00c4cfe9637e086cd6c"`
[INFO] [stderr]    Compiling unshare v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |     BeforeUnfreeze(Box<::std::error::Error + Send + Sync + 'static>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync + 'static`
[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/run.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub before_exec: &'a Option<Box<Fn() -> Result<(), io::Error>>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Result<(), io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 | type BoxError = Box<::std::error::Error + Send + Sync + 'static>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:33
[INFO] [stderr]    |
[INFO] [stderr] 90 |     before_unfreeze: Option<Box<FnMut(u32) -> Result<(), BoxError>>>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u32) -> Result<(), BoxError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:29
[INFO] [stderr]    |
[INFO] [stderr] 91 |     before_exec: Option<Box<Fn() -> Result<(), io::Error>>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Result<(), io::Error>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "f36dcd8b1ee026f34a356ba5084c33dcb3b734f8dfacd00c4cfe9637e086cd6c"`
[INFO] running `"docker" "rm" "-f" "f36dcd8b1ee026f34a356ba5084c33dcb3b734f8dfacd00c4cfe9637e086cd6c"`
[INFO] [stdout] f36dcd8b1ee026f34a356ba5084c33dcb3b734f8dfacd00c4cfe9637e086cd6c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/unshare/0.5.1:/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] c76453e7c52a3590ac20554ce75dc748b72236873a286284c93d222113ce615c
[INFO] running `"docker" "start" "-a" "c76453e7c52a3590ac20554ce75dc748b72236873a286284c93d222113ce615c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unshare-30d9d9aa53d0c3bb
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test child::test::test_format ... ok
[INFO] [stdout] test debug::test::test_debug ... ok
[INFO] [stdout] test debug::test::test_pretty ... ok
[INFO] [stdout] test debug::test::test_comprehensive ... ok
[INFO] [stdout] test debug::test::test_no_env ... ok
[INFO] [stdout] test child::test::test_random ... 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 unshare
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/linux.rs - linux::Command::env_var_with_pid (line 258) ... ignored
[INFO] [stdout] test src/zombies.rs - zombies::child_events (line 142) ... ignored
[INFO] [stdout] test src/zombies.rs - zombies::reap_zombies (line 58) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c76453e7c52a3590ac20554ce75dc748b72236873a286284c93d222113ce615c"`
[INFO] running `"docker" "rm" "-f" "c76453e7c52a3590ac20554ce75dc748b72236873a286284c93d222113ce615c"`
[INFO] [stdout] c76453e7c52a3590ac20554ce75dc748b72236873a286284c93d222113ce615c