[INFO] cloning repository https://github.com/mjehrhart/script-homebrew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjehrhart/script-homebrew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjehrhart%2Fscript-homebrew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjehrhart%2Fscript-homebrew'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjehrhart%2Fscript-homebrew/hooks/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/mjehrhart/script-homebrew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjehrhart/script-homebrew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjehrhart%2Fscript-homebrew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjehrhart%2Fscript-homebrew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 866cbf3d8daff4a3bda1d114c3845a72c0f13d10
[INFO] checking mjehrhart/script-homebrew against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjehrhart%2Fscript-homebrew" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjehrhart/script-homebrew on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mjehrhart/script-homebrew
[INFO] finished tweaking git repo https://github.com/mjehrhart/script-homebrew
[INFO] tweaked toml for git repo https://github.com/mjehrhart/script-homebrew written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mjehrhart/script-homebrew 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36ce51f116458fb40aeea6984896a2daa4826a7b6019620e9334a1055602e567
[INFO] running `Command { std: "docker" "start" "-a" "36ce51f116458fb40aeea6984896a2daa4826a7b6019620e9334a1055602e567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ce51f116458fb40aeea6984896a2daa4826a7b6019620e9334a1055602e567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ce51f116458fb40aeea6984896a2daa4826a7b6019620e9334a1055602e567", kill_on_drop: false }`
[INFO] [stdout] 36ce51f116458fb40aeea6984896a2daa4826a7b6019620e9334a1055602e567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21e96296a1ee0b937ef58fb39cc5bb015a9ce873a3e8ce3833c8ea6da3126cc7
[INFO] running `Command { std: "docker" "start" "-a" "21e96296a1ee0b937ef58fb39cc5bb015a9ce873a3e8ce3833c8ea6da3126cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking script-homebrew v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BNode` and `Node`
[INFO] [stdout]   --> src/main.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ast::{BNode, Node}, 
[INFO] [stdout]    |           ^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BNode` and `Node`
[INFO] [stdout]   --> src/main.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ast::{BNode, Node}, 
[INFO] [stdout]    |           ^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/formula/ast.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Comment(Box<BNode>),
[INFO] [stdout]    |     ------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Comment(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/formula/ast.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Comment(Box<BNode>),
[INFO] [stdout]    |     ------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Comment(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "21e96296a1ee0b937ef58fb39cc5bb015a9ce873a3e8ce3833c8ea6da3126cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e96296a1ee0b937ef58fb39cc5bb015a9ce873a3e8ce3833c8ea6da3126cc7", kill_on_drop: false }`
[INFO] [stdout] 21e96296a1ee0b937ef58fb39cc5bb015a9ce873a3e8ce3833c8ea6da3126cc7