[INFO] fetching crate netns-exec 0.2.2...
[INFO] testing netns-exec-0.2.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate netns-exec 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate netns-exec 0.2.2
[INFO] finished tweaking crates.io crate netns-exec 0.2.2
[INFO] tweaked toml for crates.io crate netns-exec 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate netns-exec 0.2.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate netns-exec 0.2.2 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.77
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f9eae06d25ce0699d41ea392162689258d3230ce9bc80abef81d247edb549d5
[INFO] running `Command { std: "docker" "start" "-a" "6f9eae06d25ce0699d41ea392162689258d3230ce9bc80abef81d247edb549d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f9eae06d25ce0699d41ea392162689258d3230ce9bc80abef81d247edb549d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9eae06d25ce0699d41ea392162689258d3230ce9bc80abef81d247edb549d5", kill_on_drop: false }`
[INFO] [stdout] 6f9eae06d25ce0699d41ea392162689258d3230ce9bc80abef81d247edb549d5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97286be205f8bf41380f3bde30c671dc7e242be6aae58823fb15dd8a9e3fdfa
[INFO] running `Command { std: "docker" "start" "-a" "b97286be205f8bf41380f3bde30c671dc7e242be6aae58823fb15dd8a9e3fdfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling netns-exec v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     nix::unistd::execvp(&c_args.first().unwrap(), c_args.as_slice())
[INFO] [stdout] 45 | |         .expect("something went wrong executing the given command, perhaps it couldn't be found?");
[INFO] [stdout]    | |__________________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 46 |   }
[INFO] [stdout]    |   ^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     nix::unistd::execvp(&c_args.first().unwrap(), c_args.as_slice())
[INFO] [stdout] 45 | |         .expect("something went wrong executing the given command, perhaps it couldn't be found?");
[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 5.23s
[INFO] running `Command { std: "docker" "inspect" "b97286be205f8bf41380f3bde30c671dc7e242be6aae58823fb15dd8a9e3fdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97286be205f8bf41380f3bde30c671dc7e242be6aae58823fb15dd8a9e3fdfa", kill_on_drop: false }`
[INFO] [stdout] b97286be205f8bf41380f3bde30c671dc7e242be6aae58823fb15dd8a9e3fdfa
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1490c5106349a25624e1e93f16c61f541c72afc631e68b0428e8bae1d3592b
[INFO] running `Command { std: "docker" "start" "-a" "9b1490c5106349a25624e1e93f16c61f541c72afc631e68b0428e8bae1d3592b", kill_on_drop: false }`
[INFO] [stderr]    Compiling netns-exec v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     nix::unistd::execvp(&c_args.first().unwrap(), c_args.as_slice())
[INFO] [stdout] 45 | |         .expect("something went wrong executing the given command, perhaps it couldn't be found?");
[INFO] [stdout]    | |__________________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stdout] 46 |   }
[INFO] [stdout]    |   ^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     nix::unistd::execvp(&c_args.first().unwrap(), c_args.as_slice())
[INFO] [stdout] 45 | |         .expect("something went wrong executing the given command, perhaps it couldn't be found?");
[INFO] [stdout]    | |__________________________________________________________________________________________________^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9b1490c5106349a25624e1e93f16c61f541c72afc631e68b0428e8bae1d3592b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1490c5106349a25624e1e93f16c61f541c72afc631e68b0428e8bae1d3592b", kill_on_drop: false }`
[INFO] [stdout] 9b1490c5106349a25624e1e93f16c61f541c72afc631e68b0428e8bae1d3592b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 779eb26403aac782029253481f3302809ce8298e17731ef662cc22737feb0030
[INFO] running `Command { std: "docker" "start" "-a" "779eb26403aac782029253481f3302809ce8298e17731ef662cc22737feb0030", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     nix::unistd::execvp(&c_args.first().unwrap(), c_args.as_slice())
[INFO] [stderr] 45 | |         .expect("something went wrong executing the given command, perhaps it couldn't be found?");
[INFO] [stderr]    | |__________________________________________________________________________________________________- any code following this expression is unreachable
[INFO] [stderr] 46 |   }
[INFO] [stderr]    |   ^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     nix::unistd::execvp(&c_args.first().unwrap(), c_args.as_slice())
[INFO] [stderr] 45 | |         .expect("something went wrong executing the given command, perhaps it couldn't be found?");
[INFO] [stderr]    | |__________________________________________________________________________________________________^
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `netns-exec` (bin "netns-exec" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/netns_exec-78e0474e6a5aaf21)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "779eb26403aac782029253481f3302809ce8298e17731ef662cc22737feb0030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779eb26403aac782029253481f3302809ce8298e17731ef662cc22737feb0030", kill_on_drop: false }`
[INFO] [stdout] 779eb26403aac782029253481f3302809ce8298e17731ef662cc22737feb0030
