[INFO] fetching crate cargo-deliver 0.2.0...
[INFO] checking cargo-deliver-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cargo-deliver 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-deliver 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-deliver 0.2.0
[INFO] finished tweaking crates.io crate cargo-deliver 0.2.0
[INFO] tweaked toml for crates.io crate cargo-deliver 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v0.6.2
[INFO] [stderr]   Downloaded duct v0.9.2
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded tera v0.10.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 915b33aa17ce745d5a1898fad8a5e253cfd257fc7e5bb22bb43be98f02bc51ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "915b33aa17ce745d5a1898fad8a5e253cfd257fc7e5bb22bb43be98f02bc51ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915b33aa17ce745d5a1898fad8a5e253cfd257fc7e5bb22bb43be98f02bc51ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915b33aa17ce745d5a1898fad8a5e253cfd257fc7e5bb22bb43be98f02bc51ff", kill_on_drop: false }`
[INFO] [stdout] 915b33aa17ce745d5a1898fad8a5e253cfd257fc7e5bb22bb43be98f02bc51ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8dfa13272beb8a59e1573b8909b7b8a07f094561e3ad16502389d0db4fc91629
[INFO] running `Command { std: "docker" "start" "-a" "8dfa13272beb8a59e1573b8909b7b8a07f094561e3ad16502389d0db4fc91629", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking os_pipe v0.6.2
[INFO] [stderr]     Checking duct v0.9.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tera v0.10.10
[INFO] [stderr]     Checking cargo-deliver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 .and_then(|_| Ok(process::exit(0)))
[INFO] [stdout]    |                               ^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 .and_then(|_| Ok(process::exit(0)))
[INFO] [stdout]    |                               ^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "8dfa13272beb8a59e1573b8909b7b8a07f094561e3ad16502389d0db4fc91629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfa13272beb8a59e1573b8909b7b8a07f094561e3ad16502389d0db4fc91629", kill_on_drop: false }`
[INFO] [stdout] 8dfa13272beb8a59e1573b8909b7b8a07f094561e3ad16502389d0db4fc91629
