[INFO] fetching crate subsystemctl 0.2.0...
[INFO] checking subsystemctl-0.2.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate subsystemctl 0.2.0 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate subsystemctl 0.2.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.19
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded thiserror v1.0.19
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70aed4abc5e940c859e95237c1f44d247c0c1933be2b43cbf7640753929df240
[INFO] running `Command { std: "docker" "start" "-a" "70aed4abc5e940c859e95237c1f44d247c0c1933be2b43cbf7640753929df240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70aed4abc5e940c859e95237c1f44d247c0c1933be2b43cbf7640753929df240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70aed4abc5e940c859e95237c1f44d247c0c1933be2b43cbf7640753929df240", kill_on_drop: false }`
[INFO] [stdout] 70aed4abc5e940c859e95237c1f44d247c0c1933be2b43cbf7640753929df240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb3a004d63478ba26b790875a324547abd0c3aee25bc6a5c2f5574a8f820d870
[INFO] running `Command { std: "docker" "start" "-a" "fb3a004d63478ba26b790875a324547abd0c3aee25bc6a5c2f5574a8f820d870", 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 0.08s
[INFO] running `Command { std: "docker" "inspect" "fb3a004d63478ba26b790875a324547abd0c3aee25bc6a5c2f5574a8f820d870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3a004d63478ba26b790875a324547abd0c3aee25bc6a5c2f5574a8f820d870", kill_on_drop: false }`
[INFO] [stdout] fb3a004d63478ba26b790875a324547abd0c3aee25bc6a5c2f5574a8f820d870