[INFO] fetching crate netmod-tcp 0.4.0... [INFO] checking netmod-tcp-0.4.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate netmod-tcp 0.4.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate netmod-tcp 0.4.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f718fa6c8e4cf68472ac74ea57f5ca6d824c1d37df04a1dcca08cfa4853bf8f0 [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" "f718fa6c8e4cf68472ac74ea57f5ca6d824c1d37df04a1dcca08cfa4853bf8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f718fa6c8e4cf68472ac74ea57f5ca6d824c1d37df04a1dcca08cfa4853bf8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f718fa6c8e4cf68472ac74ea57f5ca6d824c1d37df04a1dcca08cfa4853bf8f0", kill_on_drop: false }` [INFO] [stdout] f718fa6c8e4cf68472ac74ea57f5ca6d824c1d37df04a1dcca08cfa4853bf8f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31c685fcb8815b5a4c95c26c09cb648099e44433b16264de5bd9fa3b586d35af [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" "31c685fcb8815b5a4c95c26c09cb648099e44433b16264de5bd9fa3b586d35af", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling signal-hook v0.3.8 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Checking postcard-cobs v0.1.5-pre [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking blake2 v0.8.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking twox-hash v1.6.0 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking polling v2.0.3 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking async-io v1.4.1 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-process v1.1.0 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking ratman-identity v0.6.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking postcard v0.4.3 [INFO] [stderr] Checking conjoiner-engine v1.2.3 [INFO] [stderr] Checking ratman-netmod v0.5.1 [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: 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: 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.74s [INFO] running `Command { std: "docker" "inspect" "31c685fcb8815b5a4c95c26c09cb648099e44433b16264de5bd9fa3b586d35af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31c685fcb8815b5a4c95c26c09cb648099e44433b16264de5bd9fa3b586d35af", kill_on_drop: false }` [INFO] [stdout] 31c685fcb8815b5a4c95c26c09cb648099e44433b16264de5bd9fa3b586d35af