[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#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[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 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tivrfoa/rust-jit against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[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 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-native v0.119.0
[INFO] [stderr]   Downloaded cranelift-bitset v0.119.0
[INFO] [stderr]   Downloaded cranelift-entity v0.119.0
[INFO] [stderr]   Downloaded cranelift-isle v0.119.0
[INFO] [stderr]   Downloaded cranelift-jit v0.119.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.119.0
[INFO] [stderr]   Downloaded cranelift v0.119.0
[INFO] [stderr]   Downloaded cranelift-control v0.119.0
[INFO] [stderr]   Downloaded cranelift-srcgen v0.119.0
[INFO] [stderr]   Downloaded cranelift-assembler-x64-meta v0.119.0
[INFO] [stderr]   Downloaded cranelift-module v0.119.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.119.0
[INFO] [stderr]   Downloaded cranelift-assembler-x64 v0.119.0
[INFO] [stderr]   Downloaded wasmtime-jit-icache-coherence v32.0.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.119.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.119.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.119.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b14401b6e62458f919f0750664c77f210e9084ac3fc9ef4a9f486bb9f4716b92
[INFO] running `Command { std: "docker" "start" "-a" "b14401b6e62458f919f0750664c77f210e9084ac3fc9ef4a9f486bb9f4716b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b14401b6e62458f919f0750664c77f210e9084ac3fc9ef4a9f486bb9f4716b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14401b6e62458f919f0750664c77f210e9084ac3fc9ef4a9f486bb9f4716b92", kill_on_drop: false }`
[INFO] [stdout] b14401b6e62458f919f0750664c77f210e9084ac3fc9ef4a9f486bb9f4716b92
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2d2e82a5f874bd2ebcad59e28811070487ec0c98941353658f11b6e6641f4b
[INFO] running `Command { std: "docker" "start" "-a" "ff2d2e82a5f874bd2ebcad59e28811070487ec0c98941353658f11b6e6641f4b", 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 cranelift-bitset v0.119.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking bumpalo v3.17.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking cranelift-entity v0.119.0
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.119.0
[INFO] [stderr]     Checking regalloc2 v0.11.2
[INFO] [stderr]     Checking cranelift-bforest v0.119.0
[INFO] [stderr]     Checking wasmtime-jit-icache-coherence v32.0.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.119.0
[INFO] [stderr]     Checking cranelift-control v0.119.0
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.119.0
[INFO] [stderr]    Compiling cranelift-codegen v0.119.0
[INFO] [stderr]     Checking cranelift-module v0.119.0
[INFO] [stderr]     Checking cranelift-native 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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 19.23s
[INFO] running `Command { std: "docker" "inspect" "ff2d2e82a5f874bd2ebcad59e28811070487ec0c98941353658f11b6e6641f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2d2e82a5f874bd2ebcad59e28811070487ec0c98941353658f11b6e6641f4b", kill_on_drop: false }`
[INFO] [stdout] ff2d2e82a5f874bd2ebcad59e28811070487ec0c98941353658f11b6e6641f4b
