[INFO] cloning repository https://github.com/rubenjr0/elk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rubenjr0/elk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenjr0%2Felk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenjr0%2Felk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 936bdbe32893fe70524d4aa7674c309c50ce9681
[INFO] checking rubenjr0/elk against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenjr0%2Felk" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rubenjr0/elk
[INFO] finished tweaking git repo https://github.com/rubenjr0/elk
[INFO] tweaked toml for git repo https://github.com/rubenjr0/elk written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rubenjr0/elk on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rubenjr0/elk 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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "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 rubenjr0/elk against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenjr0%2Felk" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rubenjr0/elk
[INFO] finished tweaking git repo https://github.com/rubenjr0/elk
[INFO] tweaked toml for git repo https://github.com/rubenjr0/elk written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rubenjr0/elk on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rubenjr0/elk 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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "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-module v0.118.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.118.0
[INFO] [stderr]   Downloaded cranelift-bitset v0.118.0
[INFO] [stderr]   Downloaded cranelift-assembler-x64 v0.118.0
[INFO] [stderr]   Downloaded cranelift-control v0.118.0
[INFO] [stderr]   Downloaded cranelift v0.118.0
[INFO] [stderr]   Downloaded cranelift-native v0.118.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.118.0
[INFO] [stderr]   Downloaded cranelift-assembler-x64-meta v0.118.0
[INFO] [stderr]   Downloaded cranelift-entity v0.118.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.118.0
[INFO] [stderr]   Downloaded cranelift-isle v0.118.0
[INFO] [stderr]   Downloaded cranelift-object v0.118.0
[INFO] [stderr]   Downloaded regalloc2 v0.11.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.118.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.118.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49d23bf49fa95d895f9c8171718a7907d3764cc2918b6082bb9c58cd9299dd73
[INFO] running `Command { std: "docker" "start" "-a" "49d23bf49fa95d895f9c8171718a7907d3764cc2918b6082bb9c58cd9299dd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49d23bf49fa95d895f9c8171718a7907d3764cc2918b6082bb9c58cd9299dd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d23bf49fa95d895f9c8171718a7907d3764cc2918b6082bb9c58cd9299dd73", kill_on_drop: false }`
[INFO] [stdout] 49d23bf49fa95d895f9c8171718a7907d3764cc2918b6082bb9c58cd9299dd73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e5d31ad1d86698878bf9ff42e8acee99efbd6f3779ce5e0612858c90f51c3bb
[INFO] running `Command { std: "docker" "start" "-a" "5e5d31ad1d86698878bf9ff42e8acee99efbd6f3779ce5e0612858c90f51c3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.118.0
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling cranelift-isle v0.118.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.118.0
[INFO] [stderr]     Checking cranelift-bitset v0.118.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking bumpalo v3.18.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]     Checking cranelift-entity v0.118.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/crates/ast)
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking cranelift-bforest v0.118.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking inference v0.1.0 (/opt/rustwide/workdir/crates/inference)
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stdout] warning: field `constraints` is never read
[INFO] [stdout]   --> crates/inference/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TypeInference {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     constraints: Vec<Constraint>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regalloc2 v0.11.2
[INFO] [stdout] warning: field `constraints` is never read
[INFO] [stdout]   --> crates/inference/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TypeInference {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     constraints: Vec<Constraint>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cranelift-control v0.118.0
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.118.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.118.0
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/crates/parser)
[INFO] [stderr]    Compiling cranelift-codegen v0.118.0
[INFO] [stderr]     Checking cranelift-frontend v0.118.0
[INFO] [stderr]     Checking cranelift-module v0.118.0
[INFO] [stderr]     Checking cranelift-native v0.118.0
[INFO] [stderr]     Checking cranelift-object v0.118.0
[INFO] [stderr]     Checking cranelift v0.118.0
[INFO] [stderr]     Checking codegen v0.1.0 (/opt/rustwide/workdir/crates/codegen)
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/crates/core)
[INFO] [stderr]     Checking elk v0.1.0 (/opt/rustwide/workdir/crates/cli)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.21s
[INFO] running `Command { std: "docker" "inspect" "5e5d31ad1d86698878bf9ff42e8acee99efbd6f3779ce5e0612858c90f51c3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5d31ad1d86698878bf9ff42e8acee99efbd6f3779ce5e0612858c90f51c3bb", kill_on_drop: false }`
[INFO] [stdout] 5e5d31ad1d86698878bf9ff42e8acee99efbd6f3779ce5e0612858c90f51c3bb