[INFO] cloning repository https://github.com/adam-mcdaniel/hlvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adam-mcdaniel/hlvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fhlvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fhlvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 894f743007c92b243419a24fa4a1fa084c31eb3e
[INFO] checking adam-mcdaniel/hlvm against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fhlvm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adam-mcdaniel/hlvm on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adam-mcdaniel/hlvm
[INFO] finished tweaking git repo https://github.com/adam-mcdaniel/hlvm
[INFO] tweaked toml for git repo https://github.com/adam-mcdaniel/hlvm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "generate-lockfile" "--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 adam-mcdaniel/hlvm against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadam-mcdaniel%2Fhlvm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adam-mcdaniel/hlvm on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adam-mcdaniel/hlvm
[INFO] finished tweaking git repo https://github.com/adam-mcdaniel/hlvm
[INFO] tweaked toml for git repo https://github.com/adam-mcdaniel/hlvm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "generate-lockfile" "--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
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ord_subset v3.1.1
[INFO] [stderr]   Downloaded decimal v2.1.0
[INFO] [stderr]   Downloaded hlvm_runtime v0.7.0
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46101a28138c7232f4e28bf040c80f4cc77b6bd3e7e14b8c930dd7076b6a700e
[INFO] running `Command { std: "docker" "start" "-a" "46101a28138c7232f4e28bf040c80f4cc77b6bd3e7e14b8c930dd7076b6a700e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46101a28138c7232f4e28bf040c80f4cc77b6bd3e7e14b8c930dd7076b6a700e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46101a28138c7232f4e28bf040c80f4cc77b6bd3e7e14b8c930dd7076b6a700e", kill_on_drop: false }`
[INFO] [stdout] 46101a28138c7232f4e28bf040c80f4cc77b6bd3e7e14b8c930dd7076b6a700e
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 296fa664873fa8aaf0bbedce5451b921277d6847bf7c57bfe0fded659472b723
[INFO] running `Command { std: "docker" "start" "-a" "296fa664873fa8aaf0bbedce5451b921277d6847bf7c57bfe0fded659472b723", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]    Compiling decimal v2.1.0
[INFO] [stderr]     Checking hlvm_runtime v0.7.0
[INFO] [stderr]     Checking hlvm v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> examples/example.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hlvm::function::{Fun, Value};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut decompose_list = Fun::new()
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut decompose_list = Fun::new()
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "296fa664873fa8aaf0bbedce5451b921277d6847bf7c57bfe0fded659472b723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296fa664873fa8aaf0bbedce5451b921277d6847bf7c57bfe0fded659472b723", kill_on_drop: false }`
[INFO] [stdout] 296fa664873fa8aaf0bbedce5451b921277d6847bf7c57bfe0fded659472b723