[INFO] cloning repository https://github.com/schn4v1d/mypl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schn4v1d/mypl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschn4v1d%2Fmypl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschn4v1d%2Fmypl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2e9c070544f2e78eb9a106f4a48151a1a9b722
[INFO] checking schn4v1d/mypl against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschn4v1d%2Fmypl" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/schn4v1d/mypl
[INFO] finished tweaking git repo https://github.com/schn4v1d/mypl
[INFO] tweaked toml for git repo https://github.com/schn4v1d/mypl written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/schn4v1d/mypl on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/schn4v1d/mypl 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded logos v0.12.0
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded syn v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8d77661f3307348e4095c11fb34324ee9dde15a3728444cbae8923eb6c96752
[INFO] running `Command { std: "docker" "start" "-a" "a8d77661f3307348e4095c11fb34324ee9dde15a3728444cbae8923eb6c96752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d77661f3307348e4095c11fb34324ee9dde15a3728444cbae8923eb6c96752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d77661f3307348e4095c11fb34324ee9dde15a3728444cbae8923eb6c96752", kill_on_drop: false }`
[INFO] [stdout] a8d77661f3307348e4095c11fb34324ee9dde15a3728444cbae8923eb6c96752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29c7e7485977f20437534eff12a7ada60a8e52d32f9aa453d56cbf61fe43ee8b
[INFO] running `Command { std: "docker" "start" "-a" "29c7e7485977f20437534eff12a7ada60a8e52d32f9aa453d56cbf61fe43ee8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking combine v4.6.4
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking mypl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `H`, `Jot`, `Dot`, `Ref`, and `Idx` are never constructed
[INFO] [stdout]   --> src/eval_tree/binding.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | enum BindingType {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8  |     H,
[INFO] [stdout]    |     ^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Jot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Ref,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Idx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `H`, `Jot`, `Dot`, `Ref`, and `Idx` are never constructed
[INFO] [stdout]   --> src/eval_tree/binding.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | enum BindingType {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8  |     H,
[INFO] [stdout]    |     ^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Jot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Ref,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Idx,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.38s
[INFO] running `Command { std: "docker" "inspect" "29c7e7485977f20437534eff12a7ada60a8e52d32f9aa453d56cbf61fe43ee8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c7e7485977f20437534eff12a7ada60a8e52d32f9aa453d56cbf61fe43ee8b", kill_on_drop: false }`
[INFO] [stdout] 29c7e7485977f20437534eff12a7ada60a8e52d32f9aa453d56cbf61fe43ee8b