[INFO] updating cached repository wmww/snap-out
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wmww/snap-out
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/snap-out" "work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/snap-out"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/snap-out'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/snap-out" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wmww/snap-out"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wmww/snap-out'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e79a7845b637f6a40d1930452e74f2ceeab4b500
[INFO] sha for GitHub repo wmww/snap-out: e79a7845b637f6a40d1930452e74f2ceeab4b500
[INFO] validating manifest of wmww/snap-out 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 wmww/snap-out 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 wmww/snap-out
[INFO] finished frobbing wmww/snap-out
[INFO] frobbed toml for wmww/snap-out written to work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/snap-out/Cargo.toml
[INFO] started frobbing wmww/snap-out
[INFO] finished frobbing wmww/snap-out
[INFO] frobbed toml for wmww/snap-out written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wmww/snap-out/Cargo.toml
[INFO] crate wmww/snap-out 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 wmww/snap-out 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/snap-out:/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] f035c3f11dc1351877a7f143db14577235eecd32991ef55c4250bad97899f061
[INFO] running `"docker" "start" "-a" "f035c3f11dc1351877a7f143db14577235eecd32991ef55c4250bad97899f061"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling simple-error v0.2.0
[INFO] [stderr]    Compiling libflate v0.1.24
[INFO] [stderr]    Compiling procfs v0.5.3
[INFO] [stderr]    Compiling snap-out v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/debug.rs:9:78
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn get_environment_info(manager: &mut manager::Manager) -> Result<String, Rc<Error>> {
[INFO] [stderr]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[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/debug.rs:13:74
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn dump_debugging_info(manager: &mut manager::Manager) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/environments.rs:24:36
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn process::Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/environments.rs:24:75
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/manager.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | type GenericResult<T> = Result<Rc<T>, Rc<Error>>;
[INFO] [stderr]   |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/process.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stderr]   |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/process.rs:9:62
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stderr]   |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:19:78
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_procfs_process(process: procfs::Process) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn myself() -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:30:62
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.37s
[INFO] running `"docker" "inspect" "f035c3f11dc1351877a7f143db14577235eecd32991ef55c4250bad97899f061"`
[INFO] running `"docker" "rm" "-f" "f035c3f11dc1351877a7f143db14577235eecd32991ef55c4250bad97899f061"`
[INFO] [stdout] f035c3f11dc1351877a7f143db14577235eecd32991ef55c4250bad97899f061
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/snap-out:/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] 140bc1dd1eac017b59a3e88366ff3c83afe481caae6329a9714c1f43306fedda
[INFO] running `"docker" "start" "-a" "140bc1dd1eac017b59a3e88366ff3c83afe481caae6329a9714c1f43306fedda"`
[INFO] [stderr]    Compiling snap-out v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/debug.rs:9:78
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn get_environment_info(manager: &mut manager::Manager) -> Result<String, Rc<Error>> {
[INFO] [stderr]   |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[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/debug.rs:13:74
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn dump_debugging_info(manager: &mut manager::Manager) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/environments.rs:24:36
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn process::Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/environments.rs:24:75
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn detect(mut process: Box<process::Process>) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/manager.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | type GenericResult<T> = Result<Rc<T>, Rc<Error>>;
[INFO] [stderr]   |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/process.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stderr]   |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/process.rs:9:62
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>>;
[INFO] [stderr]   |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:19:78
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_procfs_process(process: procfs::Process) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn myself() -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:30:62
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:76:51
[INFO] [stderr]    |
[INFO] [stderr] 76 |         fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stderr]    |                                                   ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:76:66
[INFO] [stderr]    |
[INFO] [stderr] 76 |         fn get_parent(&self) -> Result<Option<Box<Process>>, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/process.rs:80:57
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 .map(|p| Box::new((**p).clone()) as Box<Process>))
[INFO] [stderr]    |                                                         ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/process.rs:123:18
[INFO] [stderr]     |
[INFO] [stderr] 123 |         ) as Box<Process>);
[INFO] [stderr]     |                  ^^^^^^^ help: use `dyn`: `dyn Process`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `"docker" "inspect" "140bc1dd1eac017b59a3e88366ff3c83afe481caae6329a9714c1f43306fedda"`
[INFO] running `"docker" "rm" "-f" "140bc1dd1eac017b59a3e88366ff3c83afe481caae6329a9714c1f43306fedda"`
[INFO] [stdout] 140bc1dd1eac017b59a3e88366ff3c83afe481caae6329a9714c1f43306fedda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wmww/snap-out:/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] 2bf531c50ac36b0e3a8acd31ae19f19c4fe2b9711f72073f032693fdb7f104ee
[INFO] running `"docker" "start" "-a" "2bf531c50ac36b0e3a8acd31ae19f19c4fe2b9711f72073f032693fdb7f104ee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snap_out-9b858157df63a409
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test environments::tests::consolidates_multiple_variables ... ok
[INFO] [stdout] test environments::tests::consolidates_single_variable ... ok
[INFO] [stdout] test environments::tests::detects_correctly_when_at_snap_boundry ... ok
[INFO] [stdout] test command::tests::running_true_returns_0 ... ok
[INFO] [stdout] test environments::tests::consolidates_varibale_only_in_one_env ... ok
[INFO] [stdout] test environments::tests::errors_when_cant_escape_snap ... ok
[INFO] [stdout] test environments::tests::detects_correctly_when_multiple_layers_in_snap ... ok
[INFO] [stdout] test options::tests::none_on_no_args ... ok
[INFO] [stdout] test options::tests::parses_command_with_args ... ok
[INFO] [stdout] test options::tests::parses_command_with_no_args ... ok
[INFO] [stdout] test options::tests::parses_show_help ... ok
[INFO] [stdout] test options::tests::parses_show_script ... ok
[INFO] [stdout] test options::tests::parses_show_version ... ok
[INFO] [stdout] test process::tests::can_get_myself_parent_process ... ok
[INFO] [stdout] test process::tests::can_get_myself_process ... ok
[INFO] [stdout] test process::tests::can_traverse_to_top ... ok
[INFO] [stdout] test environments::tests::errors_when_not_in_snap ... ok
[INFO] [stdout] test options::tests::errors_on_bad_arg ... ok
[INFO] [stdout] test variable::tests::clears_variable_set_in_snap ... ok
[INFO] [stdout] test variable::tests::detects_no_required_change_to_value ... ok
[INFO] [stdout] test variable::tests::detects_required_change_to_value ... ok
[INFO] [stdout] test variable::tests::detects_required_clear ... ok
[INFO] [stdout] test variable::tests::leaves_variable_always_set ... ok
[INFO] [stdout] test variable::tests::leaves_variable_changed_in_snap_then_again_in_myself ... ok
[INFO] [stdout] test variable::tests::leaves_variable_changed_in_snap_then_cleared_in_myself ... ok
[INFO] [stdout] test variable::tests::leaves_variable_set_in_myself ... ok
[INFO] [stdout] test variable::tests::leaves_variable_set_in_snap_then_changed_in_myself ... ok
[INFO] [stdout] test variable::tests::leaves_variable_set_in_snap_then_cleared_in_myself ... ok
[INFO] [stdout] test variable::tests::restores_variable_changed_in_snap ... ok
[INFO] [stdout] test variable::tests::restores_variable_cleared_in_snap ... ok
[INFO] [stdout] test command::tests::running_false_returns_1 ... ok
[INFO] [stdout] test command::tests::evaluates_false_bash_exp ... ok
[INFO] [stdout] test variable::tests::detects_no_required_change_to_empty ... ok
[INFO] [stdout] test command::tests::can_add_variable ... ok
[INFO] [stdout] test command::tests::evaluates_true_bash_exp ... ok
[INFO] [stdout] test process::tests::correctly_detects_env_vars ... ok
[INFO] [stdout] test command::tests::can_remove_variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2bf531c50ac36b0e3a8acd31ae19f19c4fe2b9711f72073f032693fdb7f104ee"`
[INFO] running `"docker" "rm" "-f" "2bf531c50ac36b0e3a8acd31ae19f19c4fe2b9711f72073f032693fdb7f104ee"`
[INFO] [stdout] 2bf531c50ac36b0e3a8acd31ae19f19c4fe2b9711f72073f032693fdb7f104ee