[INFO] fetching crate cargo-deliver 0.2.0...
[INFO] checking cargo-deliver-0.2.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate cargo-deliver 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-deliver 0.2.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8751dd5e519d5adda94cbcca3e247a975285b35fb99bc0c960e53adc9fcb04
[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" "6a8751dd5e519d5adda94cbcca3e247a975285b35fb99bc0c960e53adc9fcb04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8751dd5e519d5adda94cbcca3e247a975285b35fb99bc0c960e53adc9fcb04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8751dd5e519d5adda94cbcca3e247a975285b35fb99bc0c960e53adc9fcb04", kill_on_drop: false }`
[INFO] [stdout] 6a8751dd5e519d5adda94cbcca3e247a975285b35fb99bc0c960e53adc9fcb04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 81228bd5d0cecab21409132c9412b86507d0aeba82f9b75cd4ec9ee8d3b9fb8e
[INFO] running `Command { std: "docker" "start" "-a" "81228bd5d0cecab21409132c9412b86507d0aeba82f9b75cd4ec9ee8d3b9fb8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pest v0.4.1
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking os_pipe v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking duct v0.9.2
[INFO] [stderr]     Checking error-chain v0.10.0
[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 45.59s
[INFO] running `Command { std: "docker" "inspect" "81228bd5d0cecab21409132c9412b86507d0aeba82f9b75cd4ec9ee8d3b9fb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81228bd5d0cecab21409132c9412b86507d0aeba82f9b75cd4ec9ee8d3b9fb8e", kill_on_drop: false }`
[INFO] [stdout] 81228bd5d0cecab21409132c9412b86507d0aeba82f9b75cd4ec9ee8d3b9fb8e