[INFO] fetching crate turbulence 0.3.0... [INFO] checking turbulence-0.3.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate turbulence 0.3.0 into /workspace/builds/worker-27/source [INFO] validating manifest of crates.io crate turbulence 0.3.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate turbulence 0.3.0 [INFO] finished tweaking crates.io crate turbulence 0.3.0 [INFO] tweaked toml for crates.io crate turbulence 0.3.0 written to /workspace/builds/worker-27/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snap v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d207e41250c3a62fa07448888f69da6597afad97c7b82d3be9cbe7cb3d43afaf [INFO] running `Command { std: "docker" "start" "-a" "d207e41250c3a62fa07448888f69da6597afad97c7b82d3be9cbe7cb3d43afaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d207e41250c3a62fa07448888f69da6597afad97c7b82d3be9cbe7cb3d43afaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d207e41250c3a62fa07448888f69da6597afad97c7b82d3be9cbe7cb3d43afaf", kill_on_drop: false }` [INFO] [stdout] d207e41250c3a62fa07448888f69da6597afad97c7b82d3be9cbe7cb3d43afaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4d43bd1c8e9e20058ce461a407f609f285faab8b6656b3c41fb5b36b6349154 [INFO] running `Command { std: "docker" "start" "-a" "e4d43bd1c8e9e20058ce461a407f609f285faab8b6656b3c41fb5b36b6349154", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling snap v1.0.5 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Checking thiserror v1.0.29 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking turbulence v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `flush` [INFO] [stdout] --> src/message_channels.rs:477:29 [INFO] [stdout] | [INFO] [stdout] 477 | ... flush = flush_receiver.wait().fuse() => Next::Flush, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flush` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flush` [INFO] [stdout] --> src/message_channels.rs:523:29 [INFO] [stdout] | [INFO] [stdout] 523 | ... flush = flush_receiver.wait().fuse() => Next::Flush, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flush` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flush` [INFO] [stdout] --> src/message_channels.rs:569:29 [INFO] [stdout] | [INFO] [stdout] 569 | ... flush = flush_receiver.wait().fuse() => Next::Flush, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flush` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flush` [INFO] [stdout] --> src/message_channels.rs:477:29 [INFO] [stdout] | [INFO] [stdout] 477 | ... flush = flush_receiver.wait().fuse() => Next::Flush, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flush` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flush` [INFO] [stdout] --> src/message_channels.rs:523:29 [INFO] [stdout] | [INFO] [stdout] 523 | ... flush = flush_receiver.wait().fuse() => Next::Flush, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flush` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flush` [INFO] [stdout] --> src/message_channels.rs:569:29 [INFO] [stdout] | [INFO] [stdout] 569 | ... flush = flush_receiver.wait().fuse() => Next::Flush, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_flush` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/message_channels.rs:266:61 [INFO] [stdout] | [INFO] [stdout] 266 | TryAsyncMessageError::Unregistered(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 266 | TryAsyncMessageError::Unregistered(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 266 | TryAsyncMessageError::Unregistered(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/message_channels.rs:352:61 [INFO] [stdout] | [INFO] [stdout] 352 | TryAsyncMessageError::Unregistered(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 352 | TryAsyncMessageError::Unregistered(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 352 | TryAsyncMessageError::Unregistered(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/message_channels.rs:266:61 [INFO] [stdout] | [INFO] [stdout] 266 | TryAsyncMessageError::Unregistered(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 266 | TryAsyncMessageError::Unregistered(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 266 | TryAsyncMessageError::Unregistered(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/message_channels.rs:352:61 [INFO] [stdout] | [INFO] [stdout] 352 | TryAsyncMessageError::Unregistered(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 352 | TryAsyncMessageError::Unregistered(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 352 | TryAsyncMessageError::Unregistered(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.13s [INFO] running `Command { std: "docker" "inspect" "e4d43bd1c8e9e20058ce461a407f609f285faab8b6656b3c41fb5b36b6349154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4d43bd1c8e9e20058ce461a407f609f285faab8b6656b3c41fb5b36b6349154", kill_on_drop: false }` [INFO] [stdout] e4d43bd1c8e9e20058ce461a407f609f285faab8b6656b3c41fb5b36b6349154