[INFO] fetching crate magne-flame 0.1.1...
[INFO] checking magne-flame-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate magne-flame 0.1.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate magne-flame 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magne-flame 0.1.1
[INFO] finished tweaking crates.io crate magne-flame 0.1.1
[INFO] tweaked toml for crates.io crate magne-flame 0.1.1 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate crates.io crate magne-flame 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Util`
[INFO] [stdout]   --> src/util/linux.rs:40:47
[INFO] [stdout]    |
[INFO] [stdout] 40 |             sinkhole_handle: if is_sinkhole { Util::get_sinkhole().unwrap() } else { 0 },
[INFO] [stdout]    |                                               ^^^^ use of undeclared type `Util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/mutator.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         ;
[INFO] [stdout]     |         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Util`
[INFO] [stdout]   --> src/util/linux.rs:40:47
[INFO] [stdout]    |
[INFO] [stdout] 40 |             sinkhole_handle: if is_sinkhole { Util::get_sinkhole().unwrap() } else { 0 },
[INFO] [stdout]    |                                               ^^^^ use of undeclared type `Util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/mutator.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         ;
[INFO] [stdout]     |         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_command` found for mutable reference `&mut util::linux::SimpleProcess` in the current scope
[INFO] [stdout]    --> src/supervisor.rs:159:20
[INFO] [stdout]     |
[INFO] [stdout] 159 |             target.set_command(CString::new(fuzz_cmd).unwrap());
[INFO] [stdout]     |                    ^^^^^^^^^^^ method not found in `&mut util::linux::SimpleProcess`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Process` defines an item `set_command`, perhaps you need to implement it
[INFO] [stdout]    --> src/util/util.rs:186:1
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub trait Process: Target {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `set_command` found for mutable reference `&mut util::linux::SimpleProcess` in the current scope
[INFO] [stdout]    --> src/supervisor.rs:159:20
[INFO] [stdout]     |
[INFO] [stdout] 159 |             target.set_command(CString::new(fuzz_cmd).unwrap());
[INFO] [stdout]     |                    ^^^^^^^^^^^ method not found in `&mut util::linux::SimpleProcess`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Process` defines an item `set_command`, perhaps you need to implement it
[INFO] [stdout]    --> src/util/util.rs:186:1
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub trait Process: Target {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/util/linux.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn is_running(&self) -> Result<bool, u32> {}
[INFO] [stdout]    |            ----------           ^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<bool, u32>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/util/linux.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn is_running(&self) -> Result<bool, u32> {}
[INFO] [stdout]    |            ----------           ^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<bool, u32>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/util/linux.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn destroy(&mut self) -> FuzzerResult<()> {
[INFO] [stdout]     |                              ---------------- expected `Result<(), fuzzer::FuzzerError>` because of return type
[INFO] [stdout] 107 |         self.dispose()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected enum `Result`, found `()`
[INFO] [stdout]     |         help: try using a variant of the expected enum: `Ok(self.dispose())`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<(), fuzzer::FuzzerError>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Process`
[INFO] [stdout]  --> src/supervisor.rs:8:49
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::util::util::{Target, TargetWatchdog, Process};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/util/linux.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn destroy(&mut self) -> FuzzerResult<()> {
[INFO] [stdout]     |                              ---------------- expected `Result<(), fuzzer::FuzzerError>` because of return type
[INFO] [stdout] 107 |         self.dispose()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected enum `Result`, found `()`
[INFO] [stdout]     |         help: try using a variant of the expected enum: `Ok(self.dispose())`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Result<(), fuzzer::FuzzerError>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Process`
[INFO] [stdout]  --> src/supervisor.rs:8:49
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::util::util::{Target, TargetWatchdog, Process};
[INFO] [stdout]   |                                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magne-flame` due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ddc5211c3179669ee594baf053ad5e7d31a1603614f7c8ed6d2431cb9f6e6576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc5211c3179669ee594baf053ad5e7d31a1603614f7c8ed6d2431cb9f6e6576", kill_on_drop: false }`
[INFO] [stdout] ddc5211c3179669ee594baf053ad5e7d31a1603614f7c8ed6d2431cb9f6e6576
