[INFO] cloning repository https://github.com/jharrilim/Multiplex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jharrilim/Multiplex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjharrilim%2FMultiplex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjharrilim%2FMultiplex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c6984cff21e074d62e51e825ff0f992e01fea2a [INFO] testing jharrilim/Multiplex against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjharrilim%2FMultiplex" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jharrilim/Multiplex on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jharrilim/Multiplex [INFO] finished tweaking git repo https://github.com/jharrilim/Multiplex [INFO] tweaked toml for git repo https://github.com/jharrilim/Multiplex written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/jharrilim/Multiplex already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded actix-web-codegen v0.2.2 [INFO] [stderr] Downloaded backtrace v0.3.49 [INFO] [stderr] Downloaded atomic-counter v1.0.1 [INFO] [stderr] Downloaded actix-server v1.0.3 [INFO] [stderr] Downloaded addr2line v0.12.2 [INFO] [stderr] Downloaded adler v0.2.2 [INFO] [stderr] Downloaded actix-threadpool v0.3.2 [INFO] [stderr] Downloaded chashmap v2.2.2 [INFO] [stderr] Downloaded ctrlc v3.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae10ddfd6396191bec33871bc4cba353d6c52cbe4fd910a4195d1237f4cdc802 [INFO] running `Command { std: "docker" "start" "-a" "ae10ddfd6396191bec33871bc4cba353d6c52cbe4fd910a4195d1237f4cdc802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae10ddfd6396191bec33871bc4cba353d6c52cbe4fd910a4195d1237f4cdc802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae10ddfd6396191bec33871bc4cba353d6c52cbe4fd910a4195d1237f4cdc802", kill_on_drop: false }` [INFO] [stdout] ae10ddfd6396191bec33871bc4cba353d6c52cbe4fd910a4195d1237f4cdc802 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56560178a4538eae0b7d53b22f128930722bc564b36e07a46daf4e38917f0a38 [INFO] running `Command { std: "docker" "start" "-a" "56560178a4538eae0b7d53b22f128930722bc564b36e07a46daf4e38917f0a38", 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] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling bytes v0.5.5 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling adler32 v1.1.0 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling copyless v0.1.5 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling cc v1.0.56 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling adler v0.2.2 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling atomic-counter v1.0.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling bytestring v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling addr2line v0.12.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling resolv-conf v0.6.3 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.49 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling chashmap v2.2.2 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling ctrlc v3.1.5 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling derive_more v0.99.9 [INFO] [stderr] Compiling actix-macros v0.1.2 [INFO] [stderr] Compiling async-trait v0.1.36 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling actix-web-codegen v0.2.2 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling actix-codec v0.2.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling actix-threadpool v0.3.2 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling actix-service v1.0.5 [INFO] [stderr] Compiling actix-rt v1.1.1 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Compiling actix-utils v1.0.6 [INFO] [stderr] Compiling actix-server v1.0.3 [INFO] [stderr] Compiling actix-tls v1.0.0 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling actix-router v0.2.4 [INFO] [stderr] Compiling actix-testing v1.0.1 [INFO] [stderr] Compiling trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Compiling actix-connect v1.0.2 [INFO] [stderr] Compiling actix-http v1.0.1 [INFO] [stderr] Compiling awc v1.0.1 [INFO] [stderr] Compiling actix-web v2.0.0 [INFO] [stderr] Compiling multiplex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | &state.storage.insert(key.into_inner(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = &state.storage.insert(key.into_inner(), value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | &state.subscribers.insert(key.into_inner(), map); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 100 | let _ = &state.subscribers.insert(key.into_inner(), map); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 19s [INFO] running `Command { std: "docker" "inspect" "56560178a4538eae0b7d53b22f128930722bc564b36e07a46daf4e38917f0a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56560178a4538eae0b7d53b22f128930722bc564b36e07a46daf4e38917f0a38", kill_on_drop: false }` [INFO] [stdout] 56560178a4538eae0b7d53b22f128930722bc564b36e07a46daf4e38917f0a38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bec8efb6104524fd18d1cbb9da59030fef28dd6d0918ed8f0cf8f8504cdbf7f0 [INFO] running `Command { std: "docker" "start" "-a" "bec8efb6104524fd18d1cbb9da59030fef28dd6d0918ed8f0cf8f8504cdbf7f0", kill_on_drop: false }` [INFO] [stderr] Compiling multiplex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | &state.storage.insert(key.into_inner(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = &state.storage.insert(key.into_inner(), value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | &state.subscribers.insert(key.into_inner(), map); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 100 | let _ = &state.subscribers.insert(key.into_inner(), map); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "bec8efb6104524fd18d1cbb9da59030fef28dd6d0918ed8f0cf8f8504cdbf7f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bec8efb6104524fd18d1cbb9da59030fef28dd6d0918ed8f0cf8f8504cdbf7f0", kill_on_drop: false }` [INFO] [stdout] bec8efb6104524fd18d1cbb9da59030fef28dd6d0918ed8f0cf8f8504cdbf7f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9e540ed12436cd64c2fc92ab521cf8b322b611e3bddf329c83d4bbaf1ec3ef36 [INFO] running `Command { std: "docker" "start" "-a" "9e540ed12436cd64c2fc92ab521cf8b322b611e3bddf329c83d4bbaf1ec3ef36", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | &state.storage.insert(key.into_inner(), value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 78 | let _ = &state.storage.insert(key.into_inner(), value); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 100 | &state.subscribers.insert(key.into_inner(), map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 100 | let _ = &state.subscribers.insert(key.into_inner(), map); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `multiplex` (bin "multiplex" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/multiplex-c023bc46e5399647) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9e540ed12436cd64c2fc92ab521cf8b322b611e3bddf329c83d4bbaf1ec3ef36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e540ed12436cd64c2fc92ab521cf8b322b611e3bddf329c83d4bbaf1ec3ef36", kill_on_drop: false }` [INFO] [stdout] 9e540ed12436cd64c2fc92ab521cf8b322b611e3bddf329c83d4bbaf1ec3ef36