[INFO] cloning repository https://github.com/ryskit/tokio-tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryskit/tokio-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryskit%2Ftokio-tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryskit%2Ftokio-tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71048d8827ee9768ff2aed03e701a7b8cd5f4749 [INFO] checking ryskit/tokio-tutorial against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryskit%2Ftokio-tutorial" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryskit/tokio-tutorial on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryskit/tokio-tutorial [INFO] finished tweaking git repo https://github.com/ryskit/tokio-tutorial [INFO] tweaked toml for git repo https://github.com/ryskit/tokio-tutorial written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ryskit/tokio-tutorial 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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking ryskit/tokio-tutorial against try#925e66ec5d7d73da31ddd13e53f21e4674feb4ba for pr-119825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryskit%2Ftokio-tutorial" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ryskit/tokio-tutorial on toolchain 925e66ec5d7d73da31ddd13e53f21e4674feb4ba [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ryskit/tokio-tutorial [INFO] finished tweaking git repo https://github.com/ryskit/tokio-tutorial [INFO] tweaked toml for git repo https://github.com/ryskit/tokio-tutorial written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ryskit/tokio-tutorial 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" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 430c69d733ffc2bba26cfdd82383982c65e05878aff97cac8eb57af758336cd5 [INFO] running `Command { std: "docker" "start" "-a" "430c69d733ffc2bba26cfdd82383982c65e05878aff97cac8eb57af758336cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "430c69d733ffc2bba26cfdd82383982c65e05878aff97cac8eb57af758336cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "430c69d733ffc2bba26cfdd82383982c65e05878aff97cac8eb57af758336cd5", kill_on_drop: false }` [INFO] [stdout] 430c69d733ffc2bba26cfdd82383982c65e05878aff97cac8eb57af758336cd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+925e66ec5d7d73da31ddd13e53f21e4674feb4ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41087e0d2f4abadac214c8718a07bdc9643e3e30c4ad69210b399f1f381c3a26 [INFO] running `Command { std: "docker" "start" "-a" "41087e0d2f4abadac214c8718a07bdc9643e3e30c4ad69210b399f1f381c3a26", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.113 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling serde_json v1.0.75 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking io v0.1.0 (/opt/rustwide/workdir/io) [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir/channels) [INFO] [stderr] Checking tokio-tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> examples/hello-redis.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let res = client.get("hello").await; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0373]: async block may outlive the current function, but it borrows `client`, which is owned by the current function [INFO] [stdout] --> examples/hello-redis.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | let t1 = tokio::spawn(async { [INFO] [stdout] | ___________________________^ [INFO] [stdout] 9 | | let res = client.get("hello").await; [INFO] [stdout] | | ------ `client` is borrowed here [INFO] [stdout] 10 | | }); [INFO] [stdout] | |_____^ may outlive borrowed value `client` [INFO] [stdout] | [INFO] [stdout] = note: async blocks are not executed immediately and must either take a reference or ownership of outside variables they use [INFO] [stdout] help: to force the async block to take ownership of `client` (and any other referenced variables), use the `move` keyword [INFO] [stdout] | [INFO] [stdout] 8 | let t1 = tokio::spawn(async move { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0499]: cannot borrow `client` as mutable more than once at a time [INFO] [stdout] --> examples/hello-redis.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 8 | let t1 = tokio::spawn(async { [INFO] [stdout] | _______________-____________- [INFO] [stdout] | | ______________| [INFO] [stdout] | || [INFO] [stdout] 9 | || let res = client.get("hello").await; [INFO] [stdout] | || ------ first borrow occurs due to use of `client` in coroutine [INFO] [stdout] 10 | || }); [INFO] [stdout] | ||_____-- argument requires that `client` is borrowed for `'static` [INFO] [stdout] | |______| [INFO] [stdout] | first mutable borrow occurs here [INFO] [stdout] 11 | [INFO] [stdout] 12 | let t2 = tokio::spawn(async { [INFO] [stdout] | ___________________________^ [INFO] [stdout] 13 | | client.set("foo", "bar".into()).await; [INFO] [stdout] | | ------ second borrow occurs due to use of `client` in coroutine [INFO] [stdout] 14 | | }); [INFO] [stdout] | |_____^ second mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0373, E0499. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0373`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio-tutorial` (example "hello-redis") due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "41087e0d2f4abadac214c8718a07bdc9643e3e30c4ad69210b399f1f381c3a26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41087e0d2f4abadac214c8718a07bdc9643e3e30c4ad69210b399f1f381c3a26", kill_on_drop: false }` [INFO] [stdout] 41087e0d2f4abadac214c8718a07bdc9643e3e30c4ad69210b399f1f381c3a26