[INFO] fetching crate fpsdk 1.0.3...
[INFO] checking fpsdk-1.0.3 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate fpsdk 1.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fpsdk 1.0.3 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fpsdk 1.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fpsdk 1.0.3
[INFO] tweaked toml for crates.io crate fpsdk 1.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate fpsdk 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded syn v1.0.24
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded hresult v0.0.1
[INFO] [stderr]   Downloaded simple-logging v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b8057e18ca16032c560971e6ef23200a6ef246067480dfc0495317f9061658e
[INFO] running `Command { std: "docker" "start" "-a" "1b8057e18ca16032c560971e6ef23200a6ef246067480dfc0495317f9061658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8057e18ca16032c560971e6ef23200a6ef246067480dfc0495317f9061658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8057e18ca16032c560971e6ef23200a6ef246067480dfc0495317f9061658e", kill_on_drop: false }`
[INFO] [stdout] 1b8057e18ca16032c560971e6ef23200a6ef246067480dfc0495317f9061658e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c8e162358844b4ea9dda899c8de333c131e9df4d19d5d5bdb219da0282374e7
[INFO] running `Command { std: "docker" "start" "-a" "5c8e162358844b4ea9dda899c8de333c131e9df4d19d5d5bdb219da0282374e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking hresult v0.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling fpsdk v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | / /// FFI to make C string (`char *`) managed by C side. Because `char *` produced by
[INFO] [stdout] 163 | | /// `CString::into_raw` leads to memory leak:
[INFO] [stdout] 164 | | ///
[INFO] [stdout] 165 | | /// > The pointer which this function returns must be returned to Rust and reconstituted using
[INFO] [stdout] 166 | | /// > from_raw to be properly deallocated. Specifically, one should not use the standard C free()
[INFO] [stdout] 167 | | /// > function to deallocate this string.
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 168 |   #[no_mangle]
[INFO] [stdout] 169 | / extern "C" {
[INFO] [stdout] 170 | |     fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char;
[INFO] [stdout] 171 | | }
[INFO] [stdout]     | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/lib.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 |   #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 169 | / extern "C" {
[INFO] [stdout] 170 | |     fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char;
[INFO] [stdout] 171 | | }
[INFO] [stdout]     | |_- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/host.rs:315:1
[INFO] [stdout]     |
[INFO] [stdout] 315 |   #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 316 | / extern "C" {
[INFO] [stdout] 317 | |     fn host_on_parameter(host: *mut c_void, tag: intptr_t, index: c_int, value: c_int);
[INFO] [stdout] 318 | |     fn host_on_controller(host: *mut c_void, tag: intptr_t, index: intptr_t, value: intptr_t);
[INFO] [stdout] 319 | |     fn host_on_hint(host: *mut c_void, tag: intptr_t, text: *mut c_char);
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | |     fn host_get_send_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void;
[INFO] [stdout] 349 | | }
[INFO] [stdout]     | |_- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/host.rs:432:1
[INFO] [stdout]     |
[INFO] [stdout] 432 |   #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 433 | / extern "C" {
[INFO] [stdout] 434 | |     fn host_release_voice(host: *mut c_void, tag: intptr_t);
[INFO] [stdout] 435 | |     fn host_kill_voice(host: *mut c_void, tag: intptr_t);
[INFO] [stdout] 436 | |     fn host_on_voice_event(host: *mut c_void, tag: intptr_t, message: FlMessage) -> intptr_t;
[INFO] [stdout] 437 | | }
[INFO] [stdout]     | |_- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/host.rs:471:22
[INFO] [stdout]     |
[INFO] [stdout] 471 |             unsafe { Box::from_raw(params_ptr) }; // free the memory
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 471 |             unsafe { let _ = Box::from_raw(params_ptr); }; // free the memory
[INFO] [stdout]     |                      +++++++                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/host.rs:494:17
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 Box::from_raw(*voice.params_ptr.get_mut());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 let _ = Box::from_raw(*voice.params_ptr.get_mut());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/host/prompt.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { CString::from_raw(value) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { let _ = CString::from_raw(value); };
[INFO] [stdout]    |                      +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | / /// FFI to make C string (`char *`) managed by C side. Because `char *` produced by
[INFO] [stdout] 163 | | /// `CString::into_raw` leads to memory leak:
[INFO] [stdout] 164 | | ///
[INFO] [stdout] 165 | | /// > The pointer which this function returns must be returned to Rust and reconstituted using
[INFO] [stdout] 166 | | /// > from_raw to be properly deallocated. Specifically, one should not use the standard C free()
[INFO] [stdout] 167 | | /// > function to deallocate this string.
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 168 |   #[no_mangle]
[INFO] [stdout] 169 | / extern "C" {
[INFO] [stdout] 170 | |     fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char;
[INFO] [stdout] 171 | | }
[INFO] [stdout]     | |_- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/lib.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 |   #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 169 | / extern "C" {
[INFO] [stdout] 170 | |     fn alloc_real_cstr(raw_str: *mut c_char) -> *mut c_char;
[INFO] [stdout] 171 | | }
[INFO] [stdout]     | |_- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `params` is never read
[INFO] [stdout]    --> examples/simple.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 389 | struct SimpleVoice {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 390 |     tag: voice::Tag,
[INFO] [stdout] 391 |     params: voice::Params,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SimpleVoice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/host.rs:315:1
[INFO] [stdout]     |
[INFO] [stdout] 315 |   #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 316 | / extern "C" {
[INFO] [stdout] 317 | |     fn host_on_parameter(host: *mut c_void, tag: intptr_t, index: c_int, value: c_int);
[INFO] [stdout] 318 | |     fn host_on_controller(host: *mut c_void, tag: intptr_t, index: intptr_t, value: intptr_t);
[INFO] [stdout] 319 | |     fn host_on_hint(host: *mut c_void, tag: intptr_t, text: *mut c_char);
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | |     fn host_get_send_buf(host: *mut c_void, offset: intptr_t) -> *mut c_void;
[INFO] [stdout] 349 | | }
[INFO] [stdout]     | |_- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]    --> src/host.rs:432:1
[INFO] [stdout]     |
[INFO] [stdout] 432 |   #[no_mangle]
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 433 | / extern "C" {
[INFO] [stdout] 434 | |     fn host_release_voice(host: *mut c_void, tag: intptr_t);
[INFO] [stdout] 435 | |     fn host_kill_voice(host: *mut c_void, tag: intptr_t);
[INFO] [stdout] 436 | |     fn host_on_voice_event(host: *mut c_void, tag: intptr_t, message: FlMessage) -> intptr_t;
[INFO] [stdout] 437 | | }
[INFO] [stdout]     | |_- not a free function, impl method or static
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/host.rs:471:22
[INFO] [stdout]     |
[INFO] [stdout] 471 |             unsafe { Box::from_raw(params_ptr) }; // free the memory
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 471 |             unsafe { let _ = Box::from_raw(params_ptr); }; // free the memory
[INFO] [stdout]     |                      +++++++                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/host.rs:494:17
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 Box::from_raw(*voice.params_ptr.get_mut());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 let _ = Box::from_raw(*voice.params_ptr.get_mut());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]   --> src/host/prompt.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { CString::from_raw(value) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |             unsafe { let _ = CString::from_raw(value); };
[INFO] [stdout]    |                      +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.51s
[INFO] running `Command { std: "docker" "inspect" "5c8e162358844b4ea9dda899c8de333c131e9df4d19d5d5bdb219da0282374e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8e162358844b4ea9dda899c8de333c131e9df4d19d5d5bdb219da0282374e7", kill_on_drop: false }`
[INFO] [stdout] 5c8e162358844b4ea9dda899c8de333c131e9df4d19d5d5bdb219da0282374e7
