[INFO] fetching crate rust_socketio 0.2.0...
[INFO] checking rust_socketio-0.2.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate rust_socketio 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust_socketio 0.2.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_socketio 0.2.0
[INFO] finished tweaking crates.io crate rust_socketio 0.2.0
[INFO] tweaked toml for crates.io crate rust_socketio 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e735f9725891daf82d521ce79b543209b4b375ec582007bb13cda96ece0e849
[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" "2e735f9725891daf82d521ce79b543209b4b375ec582007bb13cda96ece0e849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e735f9725891daf82d521ce79b543209b4b375ec582007bb13cda96ece0e849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e735f9725891daf82d521ce79b543209b4b375ec582007bb13cda96ece0e849", kill_on_drop: false }`
[INFO] [stdout] 2e735f9725891daf82d521ce79b543209b4b375ec582007bb13cda96ece0e849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9bcc5f0b76ac4fcde0bf4fb596c41ac371eba05551a0c763bc8206e37f94e8f
[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" "b9bcc5f0b76ac4fcde0bf4fb596c41ac371eba05551a0c763bc8206e37f94e8f", kill_on_drop: false }`
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[INFO] [stderr]     Checking rust_socketio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/engineio/transport.rs:444:30
[INFO] [stdout]     |
[INFO] [stdout] 444 | ...                   .compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/engineio/transport.rs:469:22
[INFO] [stdout]     |
[INFO] [stdout] 469 |                     .compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/engineio/transport.rs:444:30
[INFO] [stdout]     |
[INFO] [stdout] 444 | ...                   .compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/engineio/transport.rs:469:22
[INFO] [stdout]     |
[INFO] [stdout] 469 |                     .compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/engineio/socket.rs:45:94
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     e @ Err(Error::HttpError(_)) | e @ Err(Error::ReqwestError(_)) => panic!(e),
[INFO] [stdout]    |                                                                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     e @ Err(Error::HttpError(_)) | e @ Err(Error::ReqwestError(_)) => panic!("{}", e),
[INFO] [stdout]    |                                                                                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     e @ Err(Error::HttpError(_)) | e @ Err(Error::ReqwestError(_)) => std::panic::panic_any(e),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/engineio/socket.rs:45:94
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     e @ Err(Error::HttpError(_)) | e @ Err(Error::ReqwestError(_)) => panic!(e),
[INFO] [stdout]    |                                                                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     e @ Err(Error::HttpError(_)) | e @ Err(Error::ReqwestError(_)) => panic!("{}", e),
[INFO] [stdout]    |                                                                                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     e @ Err(Error::HttpError(_)) | e @ Err(Error::ReqwestError(_)) => std::panic::panic_any(e),
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "b9bcc5f0b76ac4fcde0bf4fb596c41ac371eba05551a0c763bc8206e37f94e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9bcc5f0b76ac4fcde0bf4fb596c41ac371eba05551a0c763bc8206e37f94e8f", kill_on_drop: false }`
[INFO] [stdout] b9bcc5f0b76ac4fcde0bf4fb596c41ac371eba05551a0c763bc8206e37f94e8f