[INFO] crate log4rs 0.8.3 is already in cache
[INFO] extracting crate log4rs 0.8.3 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/log4rs/0.8.3
[INFO] extracting crate log4rs 0.8.3 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/log4rs/0.8.3
[INFO] validating manifest of log4rs-0.8.3 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of log4rs-0.8.3 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing log4rs-0.8.3
[INFO] finished frobbing log4rs-0.8.3
[INFO] frobbed toml for log4rs-0.8.3 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/log4rs/0.8.3/Cargo.toml
[INFO] started frobbing log4rs-0.8.3
[INFO] finished frobbing log4rs-0.8.3
[INFO] frobbed toml for log4rs-0.8.3 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/log4rs/0.8.3/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking log4rs-0.8.3 against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-0/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/log4rs/0.8.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 27ad767a4593a82da2d6fb6f946b2f6ae03c9f915c5083eb131a4be695181b2c
[INFO] running `"docker" "start" "-a" "27ad767a4593a82da2d6fb6f946b2f6ae03c9f915c5083eb131a4be695181b2c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking log4rs v0.8.3 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `flate2` is imported redundantly
[INFO] [stderr]    --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:36:21
[INFO] [stderr]     |
[INFO] [stderr] 36  |                 use flate2;
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:174:1
[INFO] [stderr]     |
[INFO] [stderr] 174 | extern crate flate2;
[INFO] [stderr]     | -------------------- the item `flate2` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `flate2` is imported redundantly
[INFO] [stderr]    --> src/append/rolling_file/policy/compound/roll/fixed_window.rs:36:21
[INFO] [stderr]     |
[INFO] [stderr] 36  |                 use flate2;
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:174:1
[INFO] [stderr]     |
[INFO] [stderr] 174 | extern crate flate2;
[INFO] [stderr]     | -------------------- the item `flate2` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/append/rolling_file/policy/compound/trigger/size.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/append/rolling_file/policy/compound/trigger/size.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::CloneAny` cannot be made into an object
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/internals.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn clone_any_send(&self) -> Box<CloneAny + Send> where Self: Send;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(where_clauses_object_safety)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]    = note: method `clone_any_send` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::CloneAny` cannot be made into an object
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/internals.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn clone_any_sync(&self) -> Box<CloneAny + Sync> where Self: Sync;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]    = note: method `clone_any_sync` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::CloneAny` cannot be made into an object
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/internals.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn clone_any_send_sync(&self) -> Box<CloneAny + Send + Sync> where Self: Send + Sync;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]    = note: method `clone_any_send_sync` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::CloneAny` cannot be made into an object
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/internals.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn clone_any_send(&self) -> Box<CloneAny + Send> where Self: Send;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(where_clauses_object_safety)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]    = note: method `clone_any_send` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::CloneAny` cannot be made into an object
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/internals.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn clone_any_sync(&self) -> Box<CloneAny + Sync> where Self: Sync;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]    = note: method `clone_any_sync` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::CloneAny` cannot be made into an object
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/typemap-0.3.3/src/internals.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn clone_any_send_sync(&self) -> Box<CloneAny + Send + Sync> where Self: Send + Sync;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]    = note: method `clone_any_send_sync` references the `Self` type in where clauses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/append/rolling_file/policy/compound/trigger/size.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/append/rolling_file/policy/compound/trigger/size.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "27ad767a4593a82da2d6fb6f946b2f6ae03c9f915c5083eb131a4be695181b2c"`
[INFO] running `"docker" "rm" "-f" "27ad767a4593a82da2d6fb6f946b2f6ae03c9f915c5083eb131a4be695181b2c"`
[INFO] [stdout] 27ad767a4593a82da2d6fb6f946b2f6ae03c9f915c5083eb131a4be695181b2c