[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 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fline-chat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jswizzy/line-chat on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-2-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.4 [INFO] [stderr] Downloaded log v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d32ae3c5b64d85bb0b82aa6ccb39bdce098557fac5314c14ca9cfb5f18c2024f [INFO] running `Command { std: "docker" "start" "-a" "d32ae3c5b64d85bb0b82aa6ccb39bdce098557fac5314c14ca9cfb5f18c2024f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d32ae3c5b64d85bb0b82aa6ccb39bdce098557fac5314c14ca9cfb5f18c2024f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d32ae3c5b64d85bb0b82aa6ccb39bdce098557fac5314c14ca9cfb5f18c2024f", kill_on_drop: false }` [INFO] [stdout] d32ae3c5b64d85bb0b82aa6ccb39bdce098557fac5314c14ca9cfb5f18c2024f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 430af4004ed6ff1a52f21e88f055a8f4c61e4da8365774070994021c51f517dc [INFO] running `Command { std: "docker" "start" "-a" "430af4004ed6ff1a52f21e88f055a8f4c61e4da8365774070994021c51f517dc", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking mio v0.6.15 [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-tcp v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking line-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: the item `future` is imported redundantly [INFO] [stdout] --> src/main.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | use futures::future::{self, Either}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `future` is already imported here [INFO] [stdout] | [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(unused_imports)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `future` is imported redundantly [INFO] [stdout] --> src/main.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | use futures::future::{self, Either}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `future` is already imported here [INFO] [stdout] | [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(unused_imports)]` implied by `#[deny(warnings)]` [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: `#[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: `#[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 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `line-chat` (bin "line-chat") due to 3 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 3 previous errors [INFO] running `Command { std: "docker" "inspect" "430af4004ed6ff1a52f21e88f055a8f4c61e4da8365774070994021c51f517dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "430af4004ed6ff1a52f21e88f055a8f4c61e4da8365774070994021c51f517dc", kill_on_drop: false }` [INFO] [stdout] 430af4004ed6ff1a52f21e88f055a8f4c61e4da8365774070994021c51f517dc