[INFO] fetching crate cargo-deliver 0.2.0...
[INFO] checking cargo-deliver-0.2.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate cargo-deliver 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cargo-deliver 0.2.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44cd1a690843e374a678753dcd6b23816b7c09b3c931a6a8e8fbf18fc595ef8a
[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" "44cd1a690843e374a678753dcd6b23816b7c09b3c931a6a8e8fbf18fc595ef8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44cd1a690843e374a678753dcd6b23816b7c09b3c931a6a8e8fbf18fc595ef8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cd1a690843e374a678753dcd6b23816b7c09b3c931a6a8e8fbf18fc595ef8a", kill_on_drop: false }`
[INFO] [stdout] 44cd1a690843e374a678753dcd6b23816b7c09b3c931a6a8e8fbf18fc595ef8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22ed505c3096b5b589afa9b891ba88d0de0fa4f4f7982680fe3ac6f4c39d3d29
[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" "22ed505c3096b5b589afa9b891ba88d0de0fa4f4f7982680fe3ac6f4c39d3d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking os_pipe v0.6.2
[INFO] [stderr]     Checking duct v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tera v0.10.10
[INFO] [stderr]     Checking failure v0.1.8
[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 40.65s
[INFO] running `Command { std: "docker" "inspect" "22ed505c3096b5b589afa9b891ba88d0de0fa4f4f7982680fe3ac6f4c39d3d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ed505c3096b5b589afa9b891ba88d0de0fa4f4f7982680fe3ac6f4c39d3d29", kill_on_drop: false }`
[INFO] [stdout] 22ed505c3096b5b589afa9b891ba88d0de0fa4f4f7982680fe3ac6f4c39d3d29