[INFO] cloning repository https://github.com/Jswizzy/line-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jswizzy/line-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fline-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fline-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2dfa6d5a01ea628c7d27e637809694c7b5f25719 [INFO] checking Jswizzy/line-chat/2dfa6d5a01ea628c7d27e637809694c7b5f25719 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fline-chat" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jswizzy/line-chat on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jswizzy/line-chat [INFO] finished tweaking git repo https://github.com/Jswizzy/line-chat [INFO] tweaked toml for git repo https://github.com/Jswizzy/line-chat written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jswizzy/line-chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded log v0.4.3 [INFO] [stderr] Downloaded tokio v0.1.7 [INFO] [stderr] Downloaded cfg-if v0.1.4 [INFO] [stderr] Downloaded tokio-codec v0.1.0 [INFO] [stderr] Downloaded version_check v0.1.4 [INFO] [stderr] Downloaded tokio-udp v0.1.1 [INFO] [stderr] Downloaded tokio-timer v0.2.5 [INFO] [stderr] Downloaded tokio-tcp v0.1.1 [INFO] [stderr] Downloaded tokio-executor v0.1.3 [INFO] [stderr] Downloaded tokio-io v0.1.7 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.3 [INFO] [stderr] Downloaded tokio-threadpool v0.1.5 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded crossbeam-deque v0.3.1 [INFO] [stderr] Downloaded tokio-reactor v0.1.3 [INFO] [stderr] Downloaded mio v0.6.15 [INFO] [stderr] Downloaded futures v0.1.23 [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded byteorder v1.2.4 [INFO] [stderr] Downloaded lazycell v0.6.0 [INFO] [stderr] Downloaded bytes v0.4.9 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fda6c2ec2787ed47d6e6778dd71f327cb52bb7cbdffb8f491ed58b90aa70774a [INFO] running `Command { std: "docker" "start" "-a" "fda6c2ec2787ed47d6e6778dd71f327cb52bb7cbdffb8f491ed58b90aa70774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fda6c2ec2787ed47d6e6778dd71f327cb52bb7cbdffb8f491ed58b90aa70774a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fda6c2ec2787ed47d6e6778dd71f327cb52bb7cbdffb8f491ed58b90aa70774a", kill_on_drop: false }` [INFO] [stdout] fda6c2ec2787ed47d6e6778dd71f327cb52bb7cbdffb8f491ed58b90aa70774a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 307eb7b82d728b418d37714df415c1b87853f5338c34efae56db2e4bde4b2c49 [INFO] running `Command { std: "docker" "start" "-a" "307eb7b82d728b418d37714df415c1b87853f5338c34efae56db2e4bde4b2c49", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking tokio-executor v0.1.3 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.5 [INFO] [stderr] Checking tokio-timer v0.2.5 [INFO] [stderr] Checking tokio-reactor v0.1.3 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.1 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking line-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:313:44 [INFO] [stdout] | [INFO] [stdout] 313 | let n = try_ready!(self.socket.read_buf(&mut self.rd)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unstable_name_collisions)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 29 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:313:44 [INFO] [stdout] | [INFO] [stdout] 313 | let n = try_ready!(self.socket.read_buf(&mut self.rd)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unstable_name_collisions)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 29 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `line-chat` (bin "line-chat") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `line-chat` (bin "line-chat" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "307eb7b82d728b418d37714df415c1b87853f5338c34efae56db2e4bde4b2c49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "307eb7b82d728b418d37714df415c1b87853f5338c34efae56db2e4bde4b2c49", kill_on_drop: false }` [INFO] [stdout] 307eb7b82d728b418d37714df415c1b87853f5338c34efae56db2e4bde4b2c49