[INFO] fetching crate http_router_alt 0.2.0... [INFO] checking http_router_alt-0.2.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710 [INFO] extracting crate http_router_alt 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate http_router_alt 0.2.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate http_router_alt 0.2.0 [INFO] finished tweaking crates.io crate http_router_alt 0.2.0 [INFO] tweaked toml for crates.io crate http_router_alt 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 848facfcb105599a6a7a49747224422a55cdda4d8e24b5033a58481f9a7471c5 [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" "848facfcb105599a6a7a49747224422a55cdda4d8e24b5033a58481f9a7471c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "848facfcb105599a6a7a49747224422a55cdda4d8e24b5033a58481f9a7471c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "848facfcb105599a6a7a49747224422a55cdda4d8e24b5033a58481f9a7471c5", kill_on_drop: false }` [INFO] [stdout] 848facfcb105599a6a7a49747224422a55cdda4d8e24b5033a58481f9a7471c5 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 02cfdf1a5dd3d6ffac0f9308d3dbc1a2c71a4d799c2b9e9e328d3ed766b91ca7 [INFO] running `Command { std: "docker" "start" "-a" "02cfdf1a5dd3d6ffac0f9308d3dbc1a2c71a4d799c2b9e9e328d3ed766b91ca7", kill_on_drop: false }` [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling tokio v1.10.1 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking tracing-core v0.1.19 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking http-body v0.4.3 [INFO] [stderr] Checking hyper v0.14.12 [INFO] [stderr] Checking http_router_alt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | { Arc::new(Mutex::new(HashMap::new())) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/lib.rs:407:37 [INFO] [stdout] | [INFO] [stdout] 407 | for test_case in test_cases.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 407 | for test_case in test_cases.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 407 - for test_case in test_cases.into_iter() { [INFO] [stdout] 407 + for test_case in test_cases { [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 5.57s [INFO] running `Command { std: "docker" "inspect" "02cfdf1a5dd3d6ffac0f9308d3dbc1a2c71a4d799c2b9e9e328d3ed766b91ca7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02cfdf1a5dd3d6ffac0f9308d3dbc1a2c71a4d799c2b9e9e328d3ed766b91ca7", kill_on_drop: false }` [INFO] [stdout] 02cfdf1a5dd3d6ffac0f9308d3dbc1a2c71a4d799c2b9e9e328d3ed766b91ca7