[INFO] fetching crate safe_wren 0.1.0...
[INFO] checking safe_wren-0.1.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate safe_wren 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate safe_wren 0.1.0
[INFO] finished tweaking crates.io crate safe_wren 0.1.0
[INFO] tweaked toml for crates.io crate safe_wren 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe_wren 0.1.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate safe_wren 0.1.0 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d
[INFO] running `Command { std: "docker" "start" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling safe_wren v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/vm.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{str, usize};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/vm.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{str, usize};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/ffi/c_api.rs:560:18
[INFO] [stdout]     |
[INFO] [stdout] 560 |     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap().into();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 560 -     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap().into();
[INFO] [stdout] 560 +     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 560 -     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap().into();
[INFO] [stdout] 560 +     let string = <&str as Into<_>>::into(unsafe { CStr::from_ptr(c_text) }.to_str().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]   --> src/float_to_string.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mask = power_of_10(precision.into());
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 45 -         let mask = power_of_10(precision.into());
[INFO] [stdout] 45 +         let mask = power_of_10(precision);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 45 -         let mask = power_of_10(precision.into());
[INFO] [stdout] 45 +         let mask = power_of_10(<i32 as Into<_>>::into(precision));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newSize` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         newSize: size_t,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `new_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `userData` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         userData: *mut c_void,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `user_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isStatic` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         isStatic: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ffi/c_api.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { Box::from_raw(vm_ptr) };
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { let _unused = Box::from_raw(vm_ptr); };
[INFO] [stdout]     |              +++++++++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safe_wren` (lib) due to 2 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]    --> src/ffi/c_api.rs:560:18
[INFO] [stdout]     |
[INFO] [stdout] 560 |     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap().into();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 560 -     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap().into();
[INFO] [stdout] 560 +     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 560 -     let string = unsafe { CStr::from_ptr(c_text) }.to_str().unwrap().into();
[INFO] [stdout] 560 +     let string = <&str as Into<_>>::into(unsafe { CStr::from_ptr(c_text) }.to_str().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]   --> src/float_to_string.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mask = power_of_10(precision.into());
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 45 -         let mask = power_of_10(precision.into());
[INFO] [stdout] 45 +         let mask = power_of_10(precision);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 45 -         let mask = power_of_10(precision.into());
[INFO] [stdout] 45 +         let mask = power_of_10(<i32 as Into<_>>::into(precision));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newSize` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         newSize: size_t,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `new_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `userData` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         userData: *mut c_void,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `user_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `isStatic` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         isStatic: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `className` should have a snake case name
[INFO] [stdout]   --> src/ffi/c_api.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         className: *const c_char,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `class_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/ffi/c_api.rs:310:14
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { Box::from_raw(vm_ptr) };
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 310 |     unsafe { let _unused = Box::from_raw(vm_ptr); };
[INFO] [stdout]     |              +++++++++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safe_wren` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d", kill_on_drop: false }`
[INFO] [stdout] b3d125ab6018fe97db4a1527a39f54f690128767a279b6d6ab6c2e2a3b286c8d
