[INFO] fetching crate cargo-deliver 0.2.0...
[INFO] checking cargo-deliver-0.2.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate cargo-deliver 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-deliver 0.2.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16213274f80e0020ce3d023c878b01f9c0a600f5215470366360a58db8bf7de
[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" "c16213274f80e0020ce3d023c878b01f9c0a600f5215470366360a58db8bf7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16213274f80e0020ce3d023c878b01f9c0a600f5215470366360a58db8bf7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16213274f80e0020ce3d023c878b01f9c0a600f5215470366360a58db8bf7de", kill_on_drop: false }`
[INFO] [stdout] c16213274f80e0020ce3d023c878b01f9c0a600f5215470366360a58db8bf7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] 3697ea04092f3a55cbac495eeb30e793cfd3fe0db1002e57ae15a808af9ed422
[INFO] running `Command { std: "docker" "start" "-a" "3697ea04092f3a55cbac495eeb30e793cfd3fe0db1002e57ae15a808af9ed422", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tera v0.10.10
[INFO] [stderr]     Checking os_pipe v0.6.2
[INFO] [stderr]     Checking duct v0.9.2
[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 14.70s
[INFO] running `Command { std: "docker" "inspect" "3697ea04092f3a55cbac495eeb30e793cfd3fe0db1002e57ae15a808af9ed422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3697ea04092f3a55cbac495eeb30e793cfd3fe0db1002e57ae15a808af9ed422", kill_on_drop: false }`
[INFO] [stdout] 3697ea04092f3a55cbac495eeb30e793cfd3fe0db1002e57ae15a808af9ed422