[INFO] cloning repository https://github.com/jared-w/playing-with-ASTs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jared-w/playing-with-ASTs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjared-w%2Fplaying-with-ASTs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjared-w%2Fplaying-with-ASTs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8726a2c6948c81127afffb5d1c9a52f9bc237172
[INFO] checking jared-w/playing-with-ASTs against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjared-w%2Fplaying-with-ASTs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jared-w/playing-with-ASTs on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jared-w/playing-with-ASTs
[INFO] finished tweaking git repo https://github.com/jared-w/playing-with-ASTs
[INFO] tweaked toml for git repo https://github.com/jared-w/playing-with-ASTs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jared-w/playing-with-ASTs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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 version_check v0.1.4
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7db927f1efc97e05184bfe7b87be907511ac6a878869888c60fca254e12ca18
[INFO] running `Command { std: "docker" "start" "-a" "a7db927f1efc97e05184bfe7b87be907511ac6a878869888c60fca254e12ca18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7db927f1efc97e05184bfe7b87be907511ac6a878869888c60fca254e12ca18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7db927f1efc97e05184bfe7b87be907511ac6a878869888c60fca254e12ca18", kill_on_drop: false }`
[INFO] [stdout] a7db927f1efc97e05184bfe7b87be907511ac6a878869888c60fca254e12ca18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977e86433727c86f5c1c5df3db4e29fcc1fbb271e54fd65d7de2a285523dde0d
[INFO] running `Command { std: "docker" "start" "-a" "977e86433727c86f5c1c5df3db4e29fcc1fbb271e54fd65d7de2a285523dde0d", kill_on_drop: false }`
[INFO] [stderr]     Checking playing-with-ASTs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `playing_with_ASTs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `playing_with_asts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `allowedKinds` should have an upper case name
[INFO] [stdout]   --> src/main.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     static ref allowedKinds: Vec<(Type, Type)> = [
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `ALLOWED_KINDS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `playing_with_ASTs` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `playing_with_asts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `allowedKinds` should have an upper case name
[INFO] [stdout]   --> src/main.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     static ref allowedKinds: Vec<(Type, Type)> = [
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `ALLOWED_KINDS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "977e86433727c86f5c1c5df3db4e29fcc1fbb271e54fd65d7de2a285523dde0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977e86433727c86f5c1c5df3db4e29fcc1fbb271e54fd65d7de2a285523dde0d", kill_on_drop: false }`
[INFO] [stdout] 977e86433727c86f5c1c5df3db4e29fcc1fbb271e54fd65d7de2a285523dde0d