[INFO] cloning repository https://github.com/FFRI/magne-flame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FFRI/magne-flame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFFRI%2Fmagne-flame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFFRI%2Fmagne-flame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5a8bbb6e2dd959e008bdce4d5307bbab7014ee1
[INFO] checking FFRI/magne-flame against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFFRI%2Fmagne-flame" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FFRI/magne-flame on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FFRI/magne-flame
[INFO] removed workspace from git repo https://github.com/FFRI/magne-flame
[INFO] finished tweaking git repo https://github.com/FFRI/magne-flame
[INFO] tweaked toml for git repo https://github.com/FFRI/magne-flame written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/FFRI/magne-flame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a71fbf781986838ff8fdfa12960f45bd71122f1eaf9adc8c60f830d25aa4af2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a71fbf781986838ff8fdfa12960f45bd71122f1eaf9adc8c60f830d25aa4af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a71fbf781986838ff8fdfa12960f45bd71122f1eaf9adc8c60f830d25aa4af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a71fbf781986838ff8fdfa12960f45bd71122f1eaf9adc8c60f830d25aa4af2", kill_on_drop: false }`
[INFO] [stdout] 8a71fbf781986838ff8fdfa12960f45bd71122f1eaf9adc8c60f830d25aa4af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 688daeb6f0abf615ac9a2495fc69bc358c61f70da6356cade4b8b5b6f13ec8c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "688daeb6f0abf615ac9a2495fc69bc358c61f70da6356cade4b8b5b6f13ec8c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.3.9
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[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking actix v0.9.0
[INFO] [stderr]     Checking magne-flame v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `Util`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `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 or module `Util`
[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 `std::result::Result`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::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 `std::result::Result`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `std::result::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 `std::result::Result<(), fuzzer::FuzzerError>` because of return type
[INFO] [stdout] 107 |         self.dispose()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected enum `std::result::Result`, found `()`
[INFO] [stdout]     |         help: try using a variant of the expected enum: `Ok(self.dispose())`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `std::result::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: aborting due to 4 previous errors; 1 warning 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: could not compile `magne-flame`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `std::result::Result<(), fuzzer::FuzzerError>` because of return type
[INFO] [stdout] 107 |         self.dispose()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected enum `std::result::Result`, found `()`
[INFO] [stdout]     |         help: try using a variant of the expected enum: `Ok(self.dispose())`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `std::result::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: aborting due to 4 previous errors; 1 warning 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" "688daeb6f0abf615ac9a2495fc69bc358c61f70da6356cade4b8b5b6f13ec8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688daeb6f0abf615ac9a2495fc69bc358c61f70da6356cade4b8b5b6f13ec8c8", kill_on_drop: false }`
[INFO] [stdout] 688daeb6f0abf615ac9a2495fc69bc358c61f70da6356cade4b8b5b6f13ec8c8
