[INFO] fetching crate rustypipes 0.1.1...
[INFO] checking rustypipes-0.1.1 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate rustypipes 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustypipes 0.1.1 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustypipes 0.1.1
[INFO] finished tweaking crates.io crate rustypipes 0.1.1
[INFO] tweaked toml for crates.io crate rustypipes 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", 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] 1cd67f8e643b50339d962003f1b4f0141c4d250d2ee0267a8c8f9704f2f753a5
[INFO] running `Command { std: "docker" "start" "-a" "1cd67f8e643b50339d962003f1b4f0141c4d250d2ee0267a8c8f9704f2f753a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd67f8e643b50339d962003f1b4f0141c4d250d2ee0267a8c8f9704f2f753a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd67f8e643b50339d962003f1b4f0141c4d250d2ee0267a8c8f9704f2f753a5", kill_on_drop: false }`
[INFO] [stdout] 1cd67f8e643b50339d962003f1b4f0141c4d250d2ee0267a8c8f9704f2f753a5
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e5b864a97589ecf19f83e178f5309c96bd9351d62fec36eb596da132be6c165
[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" "2e5b864a97589ecf19f83e178f5309c96bd9351d62fec36eb596da132be6c165", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking unix-named-pipe v0.2.0
[INFO] [stderr]     Checking rustypipes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `on_received_fn`
[INFO] [stdout]    --> src/lib.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     on_received_fn: Option<fn(Result<&OctopipesMessage, &OctopipesError>)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_subscribed_fn`
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     on_subscribed_fn: Option<fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/client.rs:472:34
[INFO] [stdout]     |
[INFO] [stdout] 472 |             Err(error) => panic!(error), //Don't worry, it won't panic
[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] 472 |             Err(error) => panic!("{}", error), //Don't worry, it won't panic
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 472 |             Err(error) => std::panic::panic_any(error), //Don't worry, it won't panic
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_received_fn`
[INFO] [stdout]    --> src/lib.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     on_received_fn: Option<fn(Result<&OctopipesMessage, &OctopipesError>)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on_subscribed_fn`
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     on_subscribed_fn: Option<fn()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/client.rs:472:34
[INFO] [stdout]     |
[INFO] [stdout] 472 |             Err(error) => panic!(error), //Don't worry, it won't panic
[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] 472 |             Err(error) => panic!("{}", error), //Don't worry, it won't panic
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 472 |             Err(error) => std::panic::panic_any(error), //Don't worry, it won't panic
[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 6.14s
[INFO] running `Command { std: "docker" "inspect" "2e5b864a97589ecf19f83e178f5309c96bd9351d62fec36eb596da132be6c165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5b864a97589ecf19f83e178f5309c96bd9351d62fec36eb596da132be6c165", kill_on_drop: false }`
[INFO] [stdout] 2e5b864a97589ecf19f83e178f5309c96bd9351d62fec36eb596da132be6c165