[INFO] fetching crate subsystemctl 0.2.0...
[INFO] checking subsystemctl-0.2.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate subsystemctl 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate subsystemctl 0.2.0
[INFO] finished tweaking crates.io crate subsystemctl 0.2.0
[INFO] tweaked toml for crates.io crate subsystemctl 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate subsystemctl 0.2.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate subsystemctl 0.2.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 822a22fd0089e12f994652a54dd3422920d42e571cf095d5fbea5d96828cb98c
[INFO] running `Command { std: "docker" "start" "-a" "822a22fd0089e12f994652a54dd3422920d42e571cf095d5fbea5d96828cb98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822a22fd0089e12f994652a54dd3422920d42e571cf095d5fbea5d96828cb98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822a22fd0089e12f994652a54dd3422920d42e571cf095d5fbea5d96828cb98c", kill_on_drop: false }`
[INFO] [stdout] 822a22fd0089e12f994652a54dd3422920d42e571cf095d5fbea5d96828cb98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d4842955f91dff7401834da1df2d0a393fb673bb9b879ff2fbdb5b28e0e1b4
[INFO] running `Command { std: "docker" "start" "-a" "b8d4842955f91dff7401834da1df2d0a393fb673bb9b879ff2fbdb5b28e0e1b4", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bottle.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     nix::unistd::execve(systemd_bin.as_c_str(), &[systemd_bin.as_c_str()], &[]).unwrap();
[INFO] [stdout]     |     ------------------------------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 271 |     panic!("should unreach");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/bottle.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     nix::unistd::execve(systemd_bin.as_c_str(), &[systemd_bin.as_c_str()], &[]).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/bottle.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     nix::unistd::execve(systemd_bin.as_c_str(), &[systemd_bin.as_c_str()], &[]).unwrap();
[INFO] [stdout]     |     ------------------------------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 271 |     panic!("should unreach");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/bottle.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     nix::unistd::execve(systemd_bin.as_c_str(), &[systemd_bin.as_c_str()], &[]).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 0.10s
[INFO] running `Command { std: "docker" "inspect" "b8d4842955f91dff7401834da1df2d0a393fb673bb9b879ff2fbdb5b28e0e1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d4842955f91dff7401834da1df2d0a393fb673bb9b879ff2fbdb5b28e0e1b4", kill_on_drop: false }`
[INFO] [stdout] b8d4842955f91dff7401834da1df2d0a393fb673bb9b879ff2fbdb5b28e0e1b4