[INFO] cloning repository https://github.com/theawesomew/d3bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theawesomew/d3bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheawesomew%2Fd3bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheawesomew%2Fd3bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1d6428a82f6e4bd85761dd898b5365b6ed16f5d
[INFO] checking theawesomew/d3bug against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheawesomew%2Fd3bug" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theawesomew/d3bug
[INFO] finished tweaking git repo https://github.com/theawesomew/d3bug
[INFO] tweaked toml for git repo https://github.com/theawesomew/d3bug written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theawesomew/d3bug 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/theawesomew/d3bug 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.34
[INFO] [stderr]   Downloaded elf v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ecba2a23edee447cb23133c1500668e8c5a691dda0785bde60aa307c0e806eb
[INFO] running `Command { std: "docker" "start" "-a" "7ecba2a23edee447cb23133c1500668e8c5a691dda0785bde60aa307c0e806eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ecba2a23edee447cb23133c1500668e8c5a691dda0785bde60aa307c0e806eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecba2a23edee447cb23133c1500668e8c5a691dda0785bde60aa307c0e806eb", kill_on_drop: false }`
[INFO] [stdout] 7ecba2a23edee447cb23133c1500668e8c5a691dda0785bde60aa307c0e806eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8edf02cb3cb820c52f3bde3c4d0b52ddac18739c610b4478f013566f96c5e01b
[INFO] running `Command { std: "docker" "start" "-a" "8edf02cb3cb820c52f3bde3c4d0b52ddac18739c610b4478f013566f96c5e01b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking elf v0.7.4
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking ruzstd v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking d3bug-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `self`, and `str::SplitTerminator`
[INFO] [stdout]  --> src/main.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...f, Read, Write}, os::{raw::c_void, unix::{fs::FileExt, process::{self, CommandExt}}}, process::{Command, Stdio}, str::SplitTerminator};
[INFO] [stdout]   |       ^^^^                                                          ^^^^                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gimli::UnitType`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gimli::UnitType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `self`, and `str::SplitTerminator`
[INFO] [stdout]  --> src/main.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...f, Read, Write}, os::{raw::c_void, unix::{fs::FileExt, process::{self, CommandExt}}}, process::{Command, Stdio}, str::SplitTerminator};
[INFO] [stdout]   |       ^^^^                                                          ^^^^                                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gimli::UnitType`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gimli::UnitType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program_name` is never read
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Debugger {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 44 |     pid: Pid,
[INFO] [stdout] 45 |     program_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program_name` is never read
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Debugger {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 44 |     pid: Pid,
[INFO] [stdout] 45 |     program_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 | /             Command::new(args[1].clone())
[INFO] [stdout] 521 | |                 .stdin(Stdio::inherit())
[INFO] [stdout] 522 | |                 .stdout(Stdio::inherit())
[INFO] [stdout] 523 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 520 |             let _ = Command::new(args[1].clone())
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 | /             Command::new(args[1].clone())
[INFO] [stdout] 521 | |                 .stdin(Stdio::inherit())
[INFO] [stdout] 522 | |                 .stdout(Stdio::inherit())
[INFO] [stdout] 523 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 520 |             let _ = Command::new(args[1].clone())
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "8edf02cb3cb820c52f3bde3c4d0b52ddac18739c610b4478f013566f96c5e01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edf02cb3cb820c52f3bde3c4d0b52ddac18739c610b4478f013566f96c5e01b", kill_on_drop: false }`
[INFO] [stdout] 8edf02cb3cb820c52f3bde3c4d0b52ddac18739c610b4478f013566f96c5e01b