[INFO] cloning repository https://github.com/bsinglet/goncharov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsinglet/goncharov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsinglet%2Fgoncharov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsinglet%2Fgoncharov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f20e3ea6e9d988edc09fd76b470d578d4bfd847
[INFO] checking bsinglet/goncharov against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsinglet%2Fgoncharov" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bsinglet/goncharov
[INFO] finished tweaking git repo https://github.com/bsinglet/goncharov
[INFO] tweaked toml for git repo https://github.com/bsinglet/goncharov written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bsinglet/goncharov on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bsinglet/goncharov 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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "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 parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded crossterm v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd86ee89bfbc7b83bcf703a7dc1751abdbac6cb00f0fe64c22d3ef1124cec8f0
[INFO] running `Command { std: "docker" "start" "-a" "fd86ee89bfbc7b83bcf703a7dc1751abdbac6cb00f0fe64c22d3ef1124cec8f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd86ee89bfbc7b83bcf703a7dc1751abdbac6cb00f0fe64c22d3ef1124cec8f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd86ee89bfbc7b83bcf703a7dc1751abdbac6cb00f0fe64c22d3ef1124cec8f0", kill_on_drop: false }`
[INFO] [stdout] fd86ee89bfbc7b83bcf703a7dc1751abdbac6cb00f0fe64c22d3ef1124cec8f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac4df7aa3485a3554ec56bc82cdad7ffe4620cff216b45a25013b1e0a8a6a39
[INFO] running `Command { std: "docker" "start" "-a" "6ac4df7aa3485a3554ec56bc82cdad7ffe4620cff216b45a25013b1e0a8a6a39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking goncharov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn _delete_text(mut piece_table: PieceTable, delete_start: usize, delete_end: usize) -> PieceTable {
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delete_start`
[INFO] [stdout]   --> src/main.rs:91:46
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn _delete_text(mut piece_table: PieceTable, delete_start: usize, delete_end: usize) -> PieceTable {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delete_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delete_end`
[INFO] [stdout]   --> src/main.rs:91:67
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn _delete_text(mut piece_table: PieceTable, delete_start: usize, delete_end: usize) -> PieceTable {
[INFO] [stdout]    |                                                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delete_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Original` is never constructed
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Buffer {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] 16 |     Add,
[INFO] [stdout] 17 |     Original,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Buffer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn _delete_text(mut piece_table: PieceTable, delete_start: usize, delete_end: usize) -> PieceTable {
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delete_start`
[INFO] [stdout]   --> src/main.rs:91:46
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn _delete_text(mut piece_table: PieceTable, delete_start: usize, delete_end: usize) -> PieceTable {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delete_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delete_end`
[INFO] [stdout]   --> src/main.rs:91:67
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn _delete_text(mut piece_table: PieceTable, delete_start: usize, delete_end: usize) -> PieceTable {
[INFO] [stdout]    |                                                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delete_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "6ac4df7aa3485a3554ec56bc82cdad7ffe4620cff216b45a25013b1e0a8a6a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac4df7aa3485a3554ec56bc82cdad7ffe4620cff216b45a25013b1e0a8a6a39", kill_on_drop: false }`
[INFO] [stdout] 6ac4df7aa3485a3554ec56bc82cdad7ffe4620cff216b45a25013b1e0a8a6a39
