[INFO] fetching crate vmemory 0.1.8...
[INFO] testing vmemory-0.1.8 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate vmemory 0.1.8 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vmemory 0.1.8
[INFO] finished tweaking crates.io crate vmemory 0.1.8
[INFO] tweaked toml for crates.io crate vmemory 0.1.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vmemory 0.1.8 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.23.2 (available: v0.30.1)
[INFO] [stderr]       Adding ntapi v0.2.0 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d09203dc1b2f02b83f6b1265c984ebad5ca75201e8d1ca444adaa3e10ed15664
[INFO] running `Command { std: "docker" "start" "-a" "d09203dc1b2f02b83f6b1265c984ebad5ca75201e8d1ca444adaa3e10ed15664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09203dc1b2f02b83f6b1265c984ebad5ca75201e8d1ca444adaa3e10ed15664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09203dc1b2f02b83f6b1265c984ebad5ca75201e8d1ca444adaa3e10ed15664", kill_on_drop: false }`
[INFO] [stdout] d09203dc1b2f02b83f6b1265c984ebad5ca75201e8d1ca444adaa3e10ed15664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd1802b42ada80ae0d9f606871b8f17fbf9b7a57f26ddd9523105ba5346660c
[INFO] running `Command { std: "docker" "start" "-a" "6cd1802b42ada80ae0d9f606871b8f17fbf9b7a57f26ddd9523105ba5346660c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling vmemory v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `nix_pid` in this scope
[INFO] [stdout]    --> src/lib.rs:554:24
[INFO] [stdout]     |
[INFO] [stdout] 554 |         ptrace::detach(nix_pid, None).unwrap(); 
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:166:71
[INFO] [stdout]     |
[INFO] [stdout] 166 |   fn create_reference_process(file_name: &str, arguments: &Vec<String>) {
[INFO] [stdout]     |  _______________________________________________________________________^
[INFO] [stdout] 167 | |     ptrace::traceme().unwrap();
[INFO] [stdout] 168 | |     let cfile = CString::new(file_name).unwrap();
[INFO] [stdout] 169 | |     let mut cfile_args: Vec<CString> = vec![cfile];
[INFO] [stdout] ...   |
[INFO] [stdout] 175 | |     nix::unistd::execv(&cfile_args[0], &cfile_args).unwrap();
[INFO] [stdout]     | |     -------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 176 | | }
[INFO] [stdout]     | |_^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]    --> src/lib.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     nix::unistd::execv(&cfile_args[0], &cfile_args).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vmemory` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6cd1802b42ada80ae0d9f606871b8f17fbf9b7a57f26ddd9523105ba5346660c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd1802b42ada80ae0d9f606871b8f17fbf9b7a57f26ddd9523105ba5346660c", kill_on_drop: false }`
[INFO] [stdout] 6cd1802b42ada80ae0d9f606871b8f17fbf9b7a57f26ddd9523105ba5346660c