[INFO] cloning repository https://github.com/0xAtticus/debugrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xAtticus/debugrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xAtticus%2Fdebugrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xAtticus%2Fdebugrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e4aabe8201dcc26b84b0b5671d079ce0cd11543
[INFO] checking 0xAtticus/debugrs against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xAtticus%2Fdebugrs" "/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/0xAtticus/debugrs
[INFO] finished tweaking git repo https://github.com/0xAtticus/debugrs
[INFO] tweaked toml for git repo https://github.com/0xAtticus/debugrs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xAtticus/debugrs on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xAtticus/debugrs 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded syn v2.0.37
[INFO] [stderr]   Downloaded nix v0.26.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51890ab10284613f3db04d662a673f4d6e2d33bc26a08895aa52c190cf88b269
[INFO] running `Command { std: "docker" "start" "-a" "51890ab10284613f3db04d662a673f4d6e2d33bc26a08895aa52c190cf88b269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51890ab10284613f3db04d662a673f4d6e2d33bc26a08895aa52c190cf88b269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51890ab10284613f3db04d662a673f4d6e2d33bc26a08895aa52c190cf88b269", kill_on_drop: false }`
[INFO] [stdout] 51890ab10284613f3db04d662a673f4d6e2d33bc26a08895aa52c190cf88b269
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c22854aee99ef4c4f7b0cfef4713dc1924130909a504e75c0a8afc4570d31b3
[INFO] running `Command { std: "docker" "start" "-a" "6c22854aee99ef4c4f7b0cfef4713dc1924130909a504e75c0a8afc4570d31b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking debugrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r13`
[INFO] [stdout]    --> src/debugger.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             r13,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r13: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r12`
[INFO] [stdout]    --> src/debugger.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             r12,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r12: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rbp`
[INFO] [stdout]    --> src/debugger.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             rbp,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `rbp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rbx`
[INFO] [stdout]    --> src/debugger.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             rbx,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `rbx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r11`
[INFO] [stdout]    --> src/debugger.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             r11,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r11: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r10`
[INFO] [stdout]    --> src/debugger.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             r10,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r10: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r9`
[INFO] [stdout]    --> src/debugger.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             r9,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `r9: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r13`
[INFO] [stdout]    --> src/debugger.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             r13,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r13: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r8`
[INFO] [stdout]    --> src/debugger.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             r8,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `r8: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/debugger.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             cs,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `cs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eflags`
[INFO] [stdout]    --> src/debugger.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             eflags,
[INFO] [stdout]     |             ^^^^^^ help: try ignoring the field: `eflags: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r12`
[INFO] [stdout]    --> src/debugger.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             r12,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r12: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ss`
[INFO] [stdout]    --> src/debugger.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             ss,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `ss: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fs_base`
[INFO] [stdout]    --> src/debugger.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             fs_base,
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `fs_base: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rbp`
[INFO] [stdout]    --> src/debugger.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             rbp,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `rbp: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gs_base`
[INFO] [stdout]    --> src/debugger.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             gs_base,
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `gs_base: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rbx`
[INFO] [stdout]    --> src/debugger.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             rbx,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `rbx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r11`
[INFO] [stdout]    --> src/debugger.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             r11,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r11: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ds`
[INFO] [stdout]    --> src/debugger.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             ds,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `ds: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r10`
[INFO] [stdout]    --> src/debugger.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             r10,
[INFO] [stdout]     |             ^^^ help: try ignoring the field: `r10: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]    --> src/debugger.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             es,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `es: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r9`
[INFO] [stdout]    --> src/debugger.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             r9,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `r9: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fs`
[INFO] [stdout]    --> src/debugger.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             fs,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `fs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r8`
[INFO] [stdout]    --> src/debugger.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             r8,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `r8: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gs`
[INFO] [stdout]    --> src/debugger.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             gs,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `gs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/debugger.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |             cs,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `cs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eflags`
[INFO] [stdout]    --> src/debugger.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             eflags,
[INFO] [stdout]     |             ^^^^^^ help: try ignoring the field: `eflags: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ss`
[INFO] [stdout]    --> src/debugger.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             ss,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `ss: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fs_base`
[INFO] [stdout]    --> src/debugger.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |             fs_base,
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `fs_base: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gs_base`
[INFO] [stdout]    --> src/debugger.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |             gs_base,
[INFO] [stdout]     |             ^^^^^^^ help: try ignoring the field: `gs_base: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ds`
[INFO] [stdout]    --> src/debugger.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             ds,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `ds: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `es`
[INFO] [stdout]    --> src/debugger.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             es,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `es: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fs`
[INFO] [stdout]    --> src/debugger.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             fs,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `fs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gs`
[INFO] [stdout]    --> src/debugger.rs:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |             gs,
[INFO] [stdout]     |             ^^ help: try ignoring the field: `gs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             nix::unistd::execve::<&CStr, &CStr>(path, &[], &[]).unwrap();
[INFO] [stdout]    |             ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 19 |             unreachable!("Execve should have replaced the program");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             nix::unistd::execve::<&CStr, &CStr>(path, &[], &[]).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             nix::unistd::execve::<&CStr, &CStr>(path, &[], &[]).unwrap();
[INFO] [stdout]    |             ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 19 |             unreachable!("Execve should have replaced the program");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             nix::unistd::execve::<&CStr, &CStr>(path, &[], &[]).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "6c22854aee99ef4c4f7b0cfef4713dc1924130909a504e75c0a8afc4570d31b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c22854aee99ef4c4f7b0cfef4713dc1924130909a504e75c0a8afc4570d31b3", kill_on_drop: false }`
[INFO] [stdout] 6c22854aee99ef4c4f7b0cfef4713dc1924130909a504e75c0a8afc4570d31b3
