[INFO] crate flexi_logger 0.14.0 is already in cache
[INFO] extracting crate flexi_logger 0.14.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/flexi_logger/0.14.0
[INFO] extracting crate flexi_logger 0.14.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/flexi_logger/0.14.0
[INFO] validating manifest of flexi_logger-0.14.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flexi_logger-0.14.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flexi_logger-0.14.0
[INFO] finished frobbing flexi_logger-0.14.0
[INFO] frobbed toml for flexi_logger-0.14.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/flexi_logger/0.14.0/Cargo.toml
[INFO] started frobbing flexi_logger-0.14.0
[INFO] finished frobbing flexi_logger-0.14.0
[INFO] frobbed toml for flexi_logger-0.14.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/flexi_logger/0.14.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking flexi_logger-0.14.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/flexi_logger/0.14.0:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a9b5fe2632c3144ecaedda196d9a4a613eb6cba472cf28888ae7cf72341d974
[INFO] running `"docker" "start" "-a" "3a9b5fe2632c3144ecaedda196d9a4a613eb6cba472cf28888ae7cf72341d974"`
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking flexi_logger v0.14.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |     other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |     other_writers: HashMap<String, Box<LogWriter>>,
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn LogWriter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` 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_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]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `"docker" "inspect" "3a9b5fe2632c3144ecaedda196d9a4a613eb6cba472cf28888ae7cf72341d974"`
[INFO] running `"docker" "rm" "-f" "3a9b5fe2632c3144ecaedda196d9a4a613eb6cba472cf28888ae7cf72341d974"`
[INFO] [stdout] 3a9b5fe2632c3144ecaedda196d9a4a613eb6cba472cf28888ae7cf72341d974