[INFO] crate carboxyl 0.2.1 is already in cache
[INFO] extracting crate carboxyl 0.2.1 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/carboxyl/0.2.1
[INFO] extracting crate carboxyl 0.2.1 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/carboxyl/0.2.1
[INFO] validating manifest of carboxyl-0.2.1 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carboxyl-0.2.1 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing carboxyl-0.2.1
[INFO] finished frobbing carboxyl-0.2.1
[INFO] frobbed toml for carboxyl-0.2.1 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/carboxyl/0.2.1/Cargo.toml
[INFO] started frobbing carboxyl-0.2.1
[INFO] finished frobbing carboxyl-0.2.1
[INFO] frobbed toml for carboxyl-0.2.1 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/carboxyl/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking carboxyl-0.2.1 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/carboxyl/0.2.1:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ac7c6682acf9d6835be63f4b28bca133fd43dbd4da73efdefddecb797064eb22
[INFO] running `"docker" "start" "-a" "ac7c6682acf9d6835be63f4b28bca133fd43dbd4da73efdefddecb797064eb22"`
[INFO] [stderr]    Compiling carboxyl v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/transaction.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / /// The global transaction lock.
[INFO] [stderr] 12 | | ///
[INFO] [stderr] 13 | | /// TODO: revert this to use a static mutex, as soon as that is stabilized in
[INFO] [stderr] 14 | | /// the standard library.
[INFO] [stderr]    | |_________________________^
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref TRANSACTION_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/transaction.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 |   /// Registry for callbacks to be executed at the end of a transaction.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 20 | / thread_local!(
[INFO] [stderr] 21 | |     static CURRENT_TRANSACTION: RefCell<Option<Transaction>> =
[INFO] [stderr] 22 | |         RefCell::new(None)
[INFO] [stderr] 23 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/transaction.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / /// The global transaction lock.
[INFO] [stderr] 12 | | ///
[INFO] [stderr] 13 | | /// TODO: revert this to use a static mutex, as soon as that is stabilized in
[INFO] [stderr] 14 | | /// the standard library.
[INFO] [stderr]    | |_________________________^
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref TRANSACTION_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/transaction.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 |   /// Registry for callbacks to be executed at the end of a transaction.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 20 | / thread_local!(
[INFO] [stderr] 21 | |     static CURRENT_TRANSACTION: RefCell<Option<Transaction>> =
[INFO] [stderr] 22 | |         RefCell::new(None)
[INFO] [stderr] 23 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lift.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | macro_rules! lift {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:136:9
[INFO] [stderr]    |
[INFO] [stderr] 136| #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]  --> benches/second_order.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::{XorShiftRng, sample};
[INFO] [stderr]   |                         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/second_order.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for sink in sample(&mut rng, sinks.iter(), 10) {
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]  --> benches/first_order.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::{XorShiftRng, sample};
[INFO] [stderr]   |                         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/first_order.rs:31:21
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for sink in sample(&mut rng, sinks.iter(), 10) {
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/first_order.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |         for _k in sample(&mut rng, 0..1_000, 10) {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lift.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | macro_rules! lift {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:136:9
[INFO] [stderr]    |
[INFO] [stderr] 136| #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `"docker" "inspect" "ac7c6682acf9d6835be63f4b28bca133fd43dbd4da73efdefddecb797064eb22"`
[INFO] running `"docker" "rm" "-f" "ac7c6682acf9d6835be63f4b28bca133fd43dbd4da73efdefddecb797064eb22"`
[INFO] [stdout] ac7c6682acf9d6835be63f4b28bca133fd43dbd4da73efdefddecb797064eb22