[INFO] crate plumber-rs 0.1.2 is already in cache
[INFO] checking plumber-rs-0.1.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate plumber-rs 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate plumber-rs 0.1.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate plumber-rs 0.1.2
[INFO] finished tweaking crates.io crate plumber-rs 0.1.2
[INFO] tweaked toml for crates.io crate plumber-rs 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 83255a9af20b7cbdacf8474b14bfc99b629015c139e3a46217631e476b475023
[INFO] running `"docker" "start" "-a" "83255a9af20b7cbdacf8474b14bfc99b629015c139e3a46217631e476b475023"`
[INFO] [stderr]    Compiling plumber-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 255 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_GET_FLAGS, pf_ref as *mut c_void)
[INFO] [stderr]     |                  ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 285 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_SET_FLAG, flag)
[INFO] [stderr]     |                  ----------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 301 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_CLR_FLAG, flag)
[INFO] [stderr]     |                  ----------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 337 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_POP_STATE, state_ptr_ref as *const *mut ST)
[INFO] [stderr]     |                  --------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 371 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_PUSH_STATE, void_ptr, dispose_func_ptr)
[INFO] [stderr]     |                  ----------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/log.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut data_ptr = &mut data as *mut LogWriteData;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/protocol.rs:308:17
[INFO] [stderr]     |
[INFO] [stderr] 308 |             let mut buf_ptr = &mut buf as *mut T;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `box_leak` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(box_leak)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 255 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_GET_FLAGS, pf_ref as *mut c_void)
[INFO] [stderr]     |                  ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 285 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_SET_FLAG, flag)
[INFO] [stderr]     |                  ----------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 301 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_CLR_FLAG, flag)
[INFO] [stderr]     |                  ----------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 337 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_POP_STATE, state_ptr_ref as *const *mut ST)
[INFO] [stderr]     |                  --------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pipe.rs:92:17
[INFO] [stderr]     |
[INFO] [stderr] 92  |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 371 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_PUSH_STATE, void_ptr, dispose_func_ptr)
[INFO] [stderr]     |                  ----------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/log.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut data_ptr = &mut data as *mut LogWriteData;
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/protocol.rs:308:17
[INFO] [stderr]     |
[INFO] [stderr] 308 |             let mut buf_ptr = &mut buf as *mut T;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `box_leak` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(box_leak)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "83255a9af20b7cbdacf8474b14bfc99b629015c139e3a46217631e476b475023"`
[INFO] running `"docker" "rm" "-f" "83255a9af20b7cbdacf8474b14bfc99b629015c139e3a46217631e476b475023"`
[INFO] [stdout] 83255a9af20b7cbdacf8474b14bfc99b629015c139e3a46217631e476b475023
