[INFO] crate carboxyl 0.2.1 is already in cache
[INFO] checking carboxyl-0.2.1 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate carboxyl 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate carboxyl 0.2.1 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate carboxyl 0.2.1
[INFO] finished tweaking crates.io crate carboxyl 0.2.1
[INFO] tweaked toml for crates.io crate carboxyl 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd119e343ad4a9dc17c3acc7412cbbdeecdd7b5a5d91fc3e6b7fa1146211c972
[INFO] running `"docker" "start" "-a" "dd119e343ad4a9dc17c3acc7412cbbdeecdd7b5a5d91fc3e6b7fa1146211c972"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking skeptic v0.6.1
[INFO] [stderr]    Compiling carboxyl v0.2.1 (/opt/rustwide/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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Callback = Box<FnBox + 'static>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 'static`
[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/source.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Callback<A> = Box<FnMut(A) -> CallbackResult + Send + Sync + 'static>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(A) -> CallbackResult + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:129:32
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn box_clone(&self) -> Box<BoxClone>; 
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn box_clone(&self) -> Box<BoxClone> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |     keep_alive: Box<BoxClone>,
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:490:21
[INFO] [stderr]     |
[INFO] [stderr] 490 |     keep_alive: Box<BoxClone>,
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/signal.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |     func: Box<Fn() -> A + Send + Sync + 'static>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/signal.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |     keep_alive: Box<BoxClone>,
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/transaction.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref TRANSACTION_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/transaction.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref TRANSACTION_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/transaction.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 | type Callback = Box<FnBox + 'static>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 'static`
[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/source.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Callback<A> = Box<FnMut(A) -> CallbackResult + Send + Sync + 'static>;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(A) -> CallbackResult + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:129:32
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn box_clone(&self) -> Box<BoxClone>; 
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:133:32
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn box_clone(&self) -> Box<BoxClone> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |     keep_alive: Box<BoxClone>,
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/stream/mod.rs:490:21
[INFO] [stderr]     |
[INFO] [stderr] 490 |     keep_alive: Box<BoxClone>,
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/signal.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |     func: Box<Fn() -> A + Send + Sync + 'static>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/signal.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |     keep_alive: Box<BoxClone>,
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn BoxClone`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/testing.rs:56:28
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub type ArcFn<A, B> = Arc<Fn(A) -> B + Send + Sync + 'static>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> B + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/transaction.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref TRANSACTION_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/transaction.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     static ref TRANSACTION_MUTEX: Mutex<()> = Mutex::new(());
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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/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: 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: 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 5.60s
[INFO] running `"docker" "inspect" "dd119e343ad4a9dc17c3acc7412cbbdeecdd7b5a5d91fc3e6b7fa1146211c972"`
[INFO] running `"docker" "rm" "-f" "dd119e343ad4a9dc17c3acc7412cbbdeecdd7b5a5d91fc3e6b7fa1146211c972"`
[INFO] [stdout] dd119e343ad4a9dc17c3acc7412cbbdeecdd7b5a5d91fc3e6b7fa1146211c972