[INFO] cloning repository https://github.com/fitzgen/mesi-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fitzgen/mesi-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fmesi-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fmesi-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a4cc0705f1609f1fe534c92479c287459b2ec2a
[INFO] checking fitzgen/mesi-emu against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffitzgen%2Fmesi-emu" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fitzgen/mesi-emu on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fitzgen/mesi-emu
[INFO] finished tweaking git repo https://github.com/fitzgen/mesi-emu
[INFO] tweaked toml for git repo https://github.com/fitzgen/mesi-emu written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fitzgen/mesi-emu 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.31
[INFO] [stderr]   Downloaded chrono v0.2.21
[INFO] [stderr]   Downloaded bit-vec v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.8
[INFO] [stderr]   Downloaded lru_time_cache v0.2.7
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44328cf70bd306ffbd465e73cab4499c822465245a59c1ee46daa3d640b99058
[INFO] running `Command { std: "docker" "start" "-a" "44328cf70bd306ffbd465e73cab4499c822465245a59c1ee46daa3d640b99058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44328cf70bd306ffbd465e73cab4499c822465245a59c1ee46daa3d640b99058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44328cf70bd306ffbd465e73cab4499c822465245a59c1ee46daa3d640b99058", kill_on_drop: false }`
[INFO] [stdout] 44328cf70bd306ffbd465e73cab4499c822465245a59c1ee46daa3d640b99058
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47b6dd2927aade026ea7805e189c35de64db6e9231f83a0abe9bfc20d9151a7b
[INFO] running `Command { std: "docker" "start" "-a" "47b6dd2927aade026ea7805e189c35de64db6e9231f83a0abe9bfc20d9151a7b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]     Checking num v0.1.31
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking lru_time_cache v0.2.7
[INFO] [stderr]     Checking chrono v0.2.21
[INFO] [stderr]     Checking mesi-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/benchmark.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | static EPOCH: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 14 | static EPOCH: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout]    |                                             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/benchmark.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | static EPOCH: atomic::AtomicUsize = atomic::ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 14 | static EPOCH: atomic::AtomicUsize = atomic::AtomicUsize::new(0);
[INFO] [stdout]    |                                             ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/benchmark.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     mem::replace(timer, now);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = mem::replace(timer, now);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/benchmark.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     mem::replace(timer, now);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = mem::replace(timer, now);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/memory_cache.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         mem::replace(&mut self.cached_lines, LruCache::with_capacity(CACHE_SIZE));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = mem::replace(&mut self.cached_lines, LruCache::with_capacity(CACHE_SIZE));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/memory_cache.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         mem::replace(&mut self.cached_lines, LruCache::with_capacity(CACHE_SIZE));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let _ = mem::replace(&mut self.cached_lines, LruCache::with_capacity(CACHE_SIZE));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "47b6dd2927aade026ea7805e189c35de64db6e9231f83a0abe9bfc20d9151a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b6dd2927aade026ea7805e189c35de64db6e9231f83a0abe9bfc20d9151a7b", kill_on_drop: false }`
[INFO] [stdout] 47b6dd2927aade026ea7805e189c35de64db6e9231f83a0abe9bfc20d9151a7b