[INFO] cloning repository https://github.com/illicitonion/repro-syn-receiver-span
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illicitonion/repro-syn-receiver-span" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillicitonion%2Frepro-syn-receiver-span", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillicitonion%2Frepro-syn-receiver-span'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70a23cb2b7f406ce2589e302013d9aa0ec86df59
[INFO] checking illicitonion/repro-syn-receiver-span against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillicitonion%2Frepro-syn-receiver-span" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illicitonion/repro-syn-receiver-span on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/illicitonion/repro-syn-receiver-span
[INFO] finished tweaking git repo https://github.com/illicitonion/repro-syn-receiver-span
[INFO] tweaked toml for git repo https://github.com/illicitonion/repro-syn-receiver-span written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/illicitonion/repro-syn-receiver-span already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6debfbf13c29010491b5190fc0db36e053d0d88fa86f293aa1b404987439c4
[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" "9f6debfbf13c29010491b5190fc0db36e053d0d88fa86f293aa1b404987439c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6debfbf13c29010491b5190fc0db36e053d0d88fa86f293aa1b404987439c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6debfbf13c29010491b5190fc0db36e053d0d88fa86f293aa1b404987439c4", kill_on_drop: false }`
[INFO] [stdout] 9f6debfbf13c29010491b5190fc0db36e053d0d88fa86f293aa1b404987439c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d42dac49d9fd9d7e131e1d71964f1ed0b24d89bae0cfc70e194cbf868638e8c
[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" "5d42dac49d9fd9d7e131e1d71964f1ed0b24d89bae0cfc70e194cbf868638e8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking pm v0.1.0 (/opt/rustwide/workdir/pm)
[INFO] [stderr]     Checking parses-str v0.1.0 (/opt/rustwide/workdir/parses-str)
[INFO] [stderr]     Checking example v0.1.0 (/opt/rustwide/workdir/example)
[INFO] [stdout] error: Saw receiver with span #0 bytes(63..64)
[INFO] [stdout]  --> example/src/lib.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn by_mut_ref(&mut self) -> bool {
[INFO] [stdout]   |                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(126..130)
[INFO] [stdout]   --> example/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn own(self) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(188..191)
[INFO] [stdout]   --> example/src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn own_mut(mut self) -> bool {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(253..254)
[INFO] [stdout]   --> example/src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn by_ref(&self) -> bool {
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(63..64)
[INFO] [stdout]  --> example/src/lib.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn by_mut_ref(&mut self) -> bool {
[INFO] [stdout]   |                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(126..130)
[INFO] [stdout]   --> example/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn own(self) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(188..191)
[INFO] [stdout]   --> example/src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn own_mut(mut self) -> bool {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Saw receiver with span #0 bytes(253..254)
[INFO] [stdout]   --> example/src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn by_ref(&self) -> bool {
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `example` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5d42dac49d9fd9d7e131e1d71964f1ed0b24d89bae0cfc70e194cbf868638e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d42dac49d9fd9d7e131e1d71964f1ed0b24d89bae0cfc70e194cbf868638e8c", kill_on_drop: false }`
[INFO] [stdout] 5d42dac49d9fd9d7e131e1d71964f1ed0b24d89bae0cfc70e194cbf868638e8c
