[INFO] fetching crate artifact 0.2.4...
[INFO] extracting crate artifact 0.2.4 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/artifact/0.2.4
[INFO] extracting crate artifact 0.2.4 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/artifact/0.2.4
[INFO] validating manifest of artifact-0.2.4 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of artifact-0.2.4 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing artifact-0.2.4
[INFO] finished frobbing artifact-0.2.4
[INFO] frobbed toml for artifact-0.2.4 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/artifact/0.2.4/Cargo.toml
[INFO] started frobbing artifact-0.2.4
[INFO] finished frobbing artifact-0.2.4
[INFO] frobbed toml for artifact-0.2.4 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/artifact/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking artifact-0.2.4 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/artifact/0.2.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 382688ee504ef057f34a57219a4b622164d2df709f4bb9e7a66d90236e98f11d
[INFO] running `"docker" "start" "-a" "382688ee504ef057f34a57219a4b622164d2df709f4bb9e7a66d90236e98f11d"`
[INFO] [stderr]     Checking artifact v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:68:41
[INFO] [stderr]    |
[INFO] [stderr] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/logger.rs:152:43
[INFO] [stderr]     |
[INFO] [stderr] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:86:43
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal/task.rs:135:63
[INFO] [stderr]     |
[INFO] [stderr] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:68:41
[INFO] [stderr]    |
[INFO] [stderr] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/logger.rs:152:43
[INFO] [stderr]     |
[INFO] [stderr] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:86:43
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal/task.rs:135:63
[INFO] [stderr]     |
[INFO] [stderr] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/file_log.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |   logger.set_format(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/bin/file_log.rs:30:60
[INFO] [stderr]    |
[INFO] [stderr] 30 |   Logger::set_default_formatter(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/multi_logger.rs:39:54
[INFO] [stderr]    |
[INFO] [stderr] 39 |   multi_logger.set_format(Box::new(MultiForm) as Box<MessageFormatter>);
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/bin/multi_logger.rs:39:54
[INFO] [stderr]    |
[INFO] [stderr] 39 |   multi_logger.set_format(Box::new(MultiForm) as Box<MessageFormatter>);
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/bin/file_log.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |   logger.set_format(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[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/bin/file_log.rs:30:60
[INFO] [stderr]    |
[INFO] [stderr] 30 |   Logger::set_default_formatter(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `"docker" "inspect" "382688ee504ef057f34a57219a4b622164d2df709f4bb9e7a66d90236e98f11d"`
[INFO] running `"docker" "rm" "-f" "382688ee504ef057f34a57219a4b622164d2df709f4bb9e7a66d90236e98f11d"`
[INFO] [stdout] 382688ee504ef057f34a57219a4b622164d2df709f4bb9e7a66d90236e98f11d