[INFO] crate flexi_logger 0.11.4 is already in cache
[INFO] extracting crate flexi_logger 0.11.4 into work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/flexi_logger/0.11.4
[INFO] extracting crate flexi_logger 0.11.4 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/flexi_logger/0.11.4
[INFO] validating manifest of flexi_logger-0.11.4 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flexi_logger-0.11.4 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flexi_logger-0.11.4
[INFO] finished frobbing flexi_logger-0.11.4
[INFO] frobbed toml for flexi_logger-0.11.4 written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/flexi_logger/0.11.4/Cargo.toml
[INFO] started frobbing flexi_logger-0.11.4
[INFO] finished frobbing flexi_logger-0.11.4
[INFO] frobbed toml for flexi_logger-0.11.4 written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/flexi_logger/0.11.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking flexi_logger-0.11.4 against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-5/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/flexi_logger/0.11.4:/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=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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb894a5d6c325f46b5aed58fe660715c8c1c915318155a66e3b2a9dcd1f15ad6
[INFO] running `"docker" "start" "-a" "fb894a5d6c325f46b5aed58fe660715c8c1c915318155a66e3b2a9dcd1f15ad6"`
[INFO] [stderr]     Checking flexi_logger v0.11.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flexi_error.rs:64:32
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn cause(&self) -> Option<&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/flexi_logger.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 |     other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flexi_logger.rs:26:44
[INFO] [stderr]    |
[INFO] [stderr] 26 |         other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/formats.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn default_format(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]   |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formats.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn opt_format(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formats.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn detailed_format(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formats.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn with_thread(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/log_specification.rs:343:35
[INFO] [stderr]     |
[INFO] [stderr] 343 |     pub fn to_toml(&self, w: &mut Write) -> Result<(), FlexiLoggerError> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:64:40
[INFO] [stderr]    |
[INFO] [stderr] 64 |     other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logger.rs:107:50
[INFO] [stderr]     |
[INFO] [stderr] 107 |             other_writers: HashMap::<String, Box<LogWriter>>::new(),
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logger.rs:459:71
[INFO] [stderr]     |
[INFO] [stderr] 459 |     pub fn add_writer<S: Into<String>>(mut self, name: S, writer: Box<LogWriter>) -> Logger {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type FormatFunction = fn(&mut io::Write, &Record) -> Result<(), io::Error>;
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flexi_error.rs:64:32
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn cause(&self) -> Option<&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/flexi_logger.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 |     other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flexi_logger.rs:26:44
[INFO] [stderr]    |
[INFO] [stderr] 26 |         other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                            ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/formats.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn default_format(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]   |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formats.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn opt_format(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formats.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn detailed_format(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/formats.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn with_thread(w: &mut io::Write, record: &Record) -> Result<(), io::Error> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/log_specification.rs:343:35
[INFO] [stderr]     |
[INFO] [stderr] 343 |     pub fn to_toml(&self, w: &mut Write) -> Result<(), FlexiLoggerError> {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:64:40
[INFO] [stderr]    |
[INFO] [stderr] 64 |     other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logger.rs:107:50
[INFO] [stderr]     |
[INFO] [stderr] 107 |             other_writers: HashMap::<String, Box<LogWriter>>::new(),
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logger.rs:459:71
[INFO] [stderr]     |
[INFO] [stderr] 459 |     pub fn add_writer<S: Into<String>>(mut self, name: S, writer: Box<LogWriter>) -> Logger {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:45:35
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type FormatFunction = fn(&mut io::Write, &Record) -> Result<(), io::Error>;
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> benches/bench_reconfigurable.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_crate_item_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> benches/bench_standard.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_crate_item_prelude)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test_multi_thread.rs:100:28
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn test_format(w: &mut io::Write, record: &Record) -> io::Result<()> {
[INFO] [stderr]     |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `"docker" "inspect" "fb894a5d6c325f46b5aed58fe660715c8c1c915318155a66e3b2a9dcd1f15ad6"`
[INFO] running `"docker" "rm" "-f" "fb894a5d6c325f46b5aed58fe660715c8c1c915318155a66e3b2a9dcd1f15ad6"`
[INFO] [stdout] fb894a5d6c325f46b5aed58fe660715c8c1c915318155a66e3b2a9dcd1f15ad6