[INFO] cloning repository https://github.com/kpcyrd/snail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kpcyrd/snail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpcyrd%2Fsnail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpcyrd%2Fsnail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f157faef71f3e4892c42c62edfb5a98fd466f07d
[INFO] checking kpcyrd/snail against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpcyrd%2Fsnail" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kpcyrd/snail on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kpcyrd/snail
[INFO] finished tweaking git repo https://github.com/kpcyrd/snail
[INFO] tweaked toml for git repo https://github.com/kpcyrd/snail written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kpcyrd/snail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hlua-badtouch v0.4.2
[INFO] [stderr]   Downloaded cssparser v0.25.5
[INFO] [stderr]   Downloaded boxxy v0.10.0
[INFO] [stderr]   Downloaded rustyline v4.1.0
[INFO] [stderr]   Downloaded reduce v0.1.2
[INFO] [stderr]   Downloaded lua52-sys v0.1.2
[INFO] [stderr]   Downloaded typed-headers v0.1.1
[INFO] [stderr]   Downloaded trust-dns-https v0.3.3
[INFO] [stderr]   Downloaded syscallz v0.11.3
[INFO] [stderr]   Downloaded dhcp4r v0.1.0
[INFO] [stderr]   Downloaded mio v0.6.18
[INFO] [stderr]   Downloaded pseudo v0.2.0
[INFO] [stderr]   Downloaded zmq-sys v0.9.0
[INFO] [stderr]   Downloaded trust-dns-rustls v0.6.3
[INFO] [stderr]   Downloaded zmq v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91917b81fe4051ab043839417307d15c9d8bd0c1ac43fde32e39a46c095c8a42
[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" "91917b81fe4051ab043839417307d15c9d8bd0c1ac43fde32e39a46c095c8a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91917b81fe4051ab043839417307d15c9d8bd0c1ac43fde32e39a46c095c8a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91917b81fe4051ab043839417307d15c9d8bd0c1ac43fde32e39a46c095c8a42", kill_on_drop: false }`
[INFO] [stdout] 91917b81fe4051ab043839417307d15c9d8bd0c1ac43fde32e39a46c095c8a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443a18e8be0daf00a7b93a53b951097f0a9f6acf80be08ff181e69e5b333bf77
[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" "443a18e8be0daf00a7b93a53b951097f0a9f6acf80be08ff181e69e5b333bf77", kill_on_drop: false }`
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[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking hyper-rustls v0.16.1
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[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
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[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.3
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking syscallz v0.11.3
[INFO] [stderr]     Checking trust-dns-rustls v0.6.3
[INFO] [stderr]     Checking trust-dns-https v0.3.3
[INFO] [stderr]     Checking trust-dns-resolver v0.11.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking kuchiki v0.7.3
[INFO] [stderr]     Checking snail v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dns.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Box<Future<Item = Vec<IpAddr>, Error = io::Error> + Send>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<IpAddr>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/web/connector.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Box<Future<Item = (T, connect::Connected), Error = io::Error> + Send>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (T, connect::Connected), Error = io::Error> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dns.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Box<Future<Item = Vec<IpAddr>, Error = io::Error> + Send>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Vec<IpAddr>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/web/connector.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Box<Future<Item = (T, connect::Connected), Error = io::Error> + Send>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (T, connect::Connected), Error = io::Error> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 55s
[INFO] running `Command { std: "docker" "inspect" "443a18e8be0daf00a7b93a53b951097f0a9f6acf80be08ff181e69e5b333bf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443a18e8be0daf00a7b93a53b951097f0a9f6acf80be08ff181e69e5b333bf77", kill_on_drop: false }`
[INFO] [stdout] 443a18e8be0daf00a7b93a53b951097f0a9f6acf80be08ff181e69e5b333bf77