[INFO] fetching crate netmod-tcp 0.4.0... [INFO] building netmod-tcp-0.4.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334 [INFO] extracting crate netmod-tcp 0.4.0 into /workspace/builds/worker-23/source [INFO] validating manifest of crates.io crate netmod-tcp 0.4.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-23/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d7381ffff08395ad691e6bb0c0fe7187d4b96c8103e9e706835905f19a88642 [INFO] running `Command { std: "docker" "start" "-a" "7d7381ffff08395ad691e6bb0c0fe7187d4b96c8103e9e706835905f19a88642", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d7381ffff08395ad691e6bb0c0fe7187d4b96c8103e9e706835905f19a88642", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d7381ffff08395ad691e6bb0c0fe7187d4b96c8103e9e706835905f19a88642", kill_on_drop: false }` [INFO] [stdout] 7d7381ffff08395ad691e6bb0c0fe7187d4b96c8103e9e706835905f19a88642 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17408a4d1cf400ef4c0a4b0803bd02e14fd800c25dc57f21c5c119d104734bf9 [INFO] running `Command { std: "docker" "start" "-a" "17408a4d1cf400ef4c0a4b0803bd02e14fd800c25dc57f21c5c119d104734bf9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling event-listener v2.5.2 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling async-task v4.2.0 [INFO] [stderr] Compiling postcard-cobs v0.1.5-pre [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling tracing-core v0.1.26 [INFO] [stderr] Compiling async-lock v2.5.0 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.9 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling blocking v1.2.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling blake2 v0.8.1 [INFO] [stderr] Compiling twox-hash v1.6.3 [INFO] [stderr] Compiling ctor v0.1.22 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling polling v2.2.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-io v1.7.0 [INFO] [stderr] Compiling async-process v1.4.0 [INFO] [stderr] Compiling async-global-executor v2.1.0 [INFO] [stderr] Compiling async-std v1.11.0 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling pin-project v1.0.10 [INFO] [stderr] Compiling tracing v0.1.34 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling ratman-identity v0.6.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling postcard v0.4.3 [INFO] [stderr] Compiling conjoiner-engine v1.2.3 [INFO] [stderr] Compiling ratman-netmod v0.5.1 [INFO] [stderr] Compiling 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: 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_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] = 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!(format!("state={:?}, packet={:?}", state, packet)), [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 28.49s [INFO] running `Command { std: "docker" "inspect" "17408a4d1cf400ef4c0a4b0803bd02e14fd800c25dc57f21c5c119d104734bf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17408a4d1cf400ef4c0a4b0803bd02e14fd800c25dc57f21c5c119d104734bf9", kill_on_drop: false }` [INFO] [stdout] 17408a4d1cf400ef4c0a4b0803bd02e14fd800c25dc57f21c5c119d104734bf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2da0cc21fa509d063636c23a9147167595e2b40204009c400659eaca0374d4d3 [INFO] running `Command { std: "docker" "start" "-a" "2da0cc21fa509d063636c23a9147167595e2b40204009c400659eaca0374d4d3", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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_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] = 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!(format!("state={:?}, packet={:?}", state, packet)), [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: 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_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] = 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!(format!("state={:?}, packet={:?}", state, packet)), [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 test [unoptimized + debuginfo] target(s) in 1.66s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/netmod_tcp-098b2a792278eef9) [INFO] running `Command { std: "docker" "inspect" "2da0cc21fa509d063636c23a9147167595e2b40204009c400659eaca0374d4d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da0cc21fa509d063636c23a9147167595e2b40204009c400659eaca0374d4d3", kill_on_drop: false }` [INFO] [stdout] 2da0cc21fa509d063636c23a9147167595e2b40204009c400659eaca0374d4d3