[INFO] cloning repository https://github.com/jpeach/ss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpeach/ss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpeach%2Fss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpeach%2Fss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49fa2dd42403ddaa75859e3b41f3f2c32fe94710
[INFO] checking jpeach/ss against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpeach%2Fss" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpeach/ss on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jpeach/ss
[INFO] finished tweaking git repo https://github.com/jpeach/ss
[INFO] tweaked toml for git repo https://github.com/jpeach/ss written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jpeach/ss already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2309f830bc6dec3087212600eec6c422732e84a084066ff48102e701017376c7
[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" "2309f830bc6dec3087212600eec6c422732e84a084066ff48102e701017376c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2309f830bc6dec3087212600eec6c422732e84a084066ff48102e701017376c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2309f830bc6dec3087212600eec6c422732e84a084066ff48102e701017376c7", kill_on_drop: false }`
[INFO] [stdout] 2309f830bc6dec3087212600eec6c422732e84a084066ff48102e701017376c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abed18524323e38ccc0c00ca41b3004e764a8701aae0213879b81e889b30e03d
[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" "abed18524323e38ccc0c00ca41b3004e764a8701aae0213879b81e889b30e03d", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking ss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/netlink.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 | const NLM_F_DUMP: u16 = (NLM_F_ROOT | NLM_F_MATCH);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/netlink.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         while true {
[INFO] [stdout]     |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/netlink.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 | const NLM_F_DUMP: u16 = (NLM_F_ROOT | NLM_F_MATCH);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/netlink.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         while true {
[INFO] [stdout]     |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         socket::sendmsg(self.fd, &iov, &[], socket::MsgFlags::empty(), Some(&dst));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/netlink.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         socket::sendmsg(self.fd, &iov, &[], socket::MsgFlags::empty(), Some(&dst));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "abed18524323e38ccc0c00ca41b3004e764a8701aae0213879b81e889b30e03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abed18524323e38ccc0c00ca41b3004e764a8701aae0213879b81e889b30e03d", kill_on_drop: false }`
[INFO] [stdout] abed18524323e38ccc0c00ca41b3004e764a8701aae0213879b81e889b30e03d