[INFO] fetching crate netmod-tcp 0.4.0... [INFO] checking netmod-tcp-0.4.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate netmod-tcp 0.4.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate netmod-tcp 0.4.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate netmod-tcp 0.4.0 [INFO] finished tweaking crates.io crate netmod-tcp 0.4.0 [INFO] tweaked toml for crates.io crate netmod-tcp 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 152c74f28947155adb3f588d96afa92055e0c71bf6878ff5aac6e5857b24986e [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" "152c74f28947155adb3f588d96afa92055e0c71bf6878ff5aac6e5857b24986e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "152c74f28947155adb3f588d96afa92055e0c71bf6878ff5aac6e5857b24986e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "152c74f28947155adb3f588d96afa92055e0c71bf6878ff5aac6e5857b24986e", kill_on_drop: false }` [INFO] [stdout] 152c74f28947155adb3f588d96afa92055e0c71bf6878ff5aac6e5857b24986e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27245d26a3d37b6aa846dc71e26541fbe38370e536be035ab57801ee802bce51 [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" "27245d26a3d37b6aa846dc71e26541fbe38370e536be035ab57801ee802bce51", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.6 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking postcard-cobs v0.1.5-pre [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.3.0 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking signal-hook v0.3.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking nb-connect v1.0.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking blake2 v0.8.1 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking twox-hash v1.6.0 [INFO] [stderr] Compiling ctor v0.1.19 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling async-trait v0.1.48 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking pin-project v1.0.5 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-process v1.0.2 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking ratman-identity v0.6.0 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking postcard v0.4.3 [INFO] [stderr] Checking conjoiner-engine v1.2.3 [INFO] [stderr] Checking ratman-netmod v0.5.0 [INFO] [stderr] Checking netmod-tcp v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut parts: Vec<_> = p.split(|x| x == ' ').collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut parts: Vec<_> = p.split(|x| x == ' ').collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/server.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/server.rs:156:43 [INFO] [stdout] | [INFO] [stdout] 156 | (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)), [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] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 156 | (state, packet) => panic!("state={:?}, packet={:?}", state, packet), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/server.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/server.rs:156:43 [INFO] [stdout] | [INFO] [stdout] 156 | (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)), [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] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 156 | (state, packet) => panic!("state={:?}, packet={:?}", state, packet), [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 23s [INFO] running `Command { std: "docker" "inspect" "27245d26a3d37b6aa846dc71e26541fbe38370e536be035ab57801ee802bce51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27245d26a3d37b6aa846dc71e26541fbe38370e536be035ab57801ee802bce51", kill_on_drop: false }` [INFO] [stdout] 27245d26a3d37b6aa846dc71e26541fbe38370e536be035ab57801ee802bce51