[INFO] cloning repository https://github.com/tivrfoa/rust-jit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tivrfoa/rust-jit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Frust-jit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Frust-jit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb49de78fc244642dd17548f817c24a0df053a26
[INFO] checking tivrfoa/rust-jit against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftivrfoa%2Frust-jit" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tivrfoa/rust-jit
[INFO] finished tweaking git repo https://github.com/tivrfoa/rust-jit
[INFO] tweaked toml for git repo https://github.com/tivrfoa/rust-jit written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tivrfoa/rust-jit on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tivrfoa/rust-jit 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47f84af9c469d4755c18ca9853dcc1a79969d432cc4bdba33ce7c63de41f1b22
[INFO] running `Command { std: "docker" "start" "-a" "47f84af9c469d4755c18ca9853dcc1a79969d432cc4bdba33ce7c63de41f1b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47f84af9c469d4755c18ca9853dcc1a79969d432cc4bdba33ce7c63de41f1b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f84af9c469d4755c18ca9853dcc1a79969d432cc4bdba33ce7c63de41f1b22", kill_on_drop: false }`
[INFO] [stdout] 47f84af9c469d4755c18ca9853dcc1a79969d432cc4bdba33ce7c63de41f1b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a3c0902c67fe9793f1bda8e6fa44663366de7fc974444f0b5fe0fe707f84374
[INFO] running `Command { std: "docker" "start" "-a" "0a3c0902c67fe9793f1bda8e6fa44663366de7fc974444f0b5fe0fe707f84374", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-srcgen v0.119.0
[INFO] [stderr]    Compiling cranelift-isle v0.119.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.119.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking cranelift-bitset v0.119.0
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.119.0
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking cranelift-entity v0.119.0
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking regalloc2 v0.11.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.119.0
[INFO] [stderr]     Checking cranelift-bforest v0.119.0
[INFO] [stderr]     Checking cranelift-control v0.119.0
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.119.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v32.0.0
[INFO] [stderr]    Compiling cranelift-codegen v0.119.0
[INFO] [stderr]     Checking cranelift-native v0.119.0
[INFO] [stderr]     Checking cranelift-module v0.119.0
[INFO] [stderr]     Checking cranelift-frontend v0.119.0
[INFO] [stderr]     Checking cranelift-jit v0.119.0
[INFO] [stderr]     Checking cranelift v0.119.0
[INFO] [stderr]     Checking jit1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut builder = JITBuilder::new(cranelift_module::default_libcall_names()).unwrap();
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     module.finalize_definitions();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = module.finalize_definitions();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut builder = JITBuilder::new(cranelift_module::default_libcall_names()).unwrap();
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     module.finalize_definitions();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = module.finalize_definitions();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.06s
[INFO] running `Command { std: "docker" "inspect" "0a3c0902c67fe9793f1bda8e6fa44663366de7fc974444f0b5fe0fe707f84374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3c0902c67fe9793f1bda8e6fa44663366de7fc974444f0b5fe0fe707f84374", kill_on_drop: false }`
[INFO] [stdout] 0a3c0902c67fe9793f1bda8e6fa44663366de7fc974444f0b5fe0fe707f84374