[INFO] cloning repository https://github.com/Andrew-LC/mini-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Andrew-LC/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-LC%2Fmini-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-LC%2Fmini-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d5db68643e5f7c73ebe5919661baf4f1052dba3 [INFO] checking Andrew-LC/mini-redis against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-LC%2Fmini-redis" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Andrew-LC/mini-redis on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Andrew-LC/mini-redis [INFO] finished tweaking git repo https://github.com/Andrew-LC/mini-redis [INFO] tweaked toml for git repo https://github.com/Andrew-LC/mini-redis written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Andrew-LC/mini-redis 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded iana-time-zone v0.1.59 [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] [stderr] Downloaded mini-redis v0.4.1 [INFO] [stderr] Downloaded tracing-subscriber v0.2.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f360c7e6be286de8f7035ba38adf75e13cd1ea853dada85ed6efbb9a98d2de39 [INFO] running `Command { std: "docker" "start" "-a" "f360c7e6be286de8f7035ba38adf75e13cd1ea853dada85ed6efbb9a98d2de39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f360c7e6be286de8f7035ba38adf75e13cd1ea853dada85ed6efbb9a98d2de39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f360c7e6be286de8f7035ba38adf75e13cd1ea853dada85ed6efbb9a98d2de39", kill_on_drop: false }` [INFO] [stdout] f360c7e6be286de8f7035ba38adf75e13cd1ea853dada85ed6efbb9a98d2de39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fef1d93817c2d8272fc9e8dbe82e52a42556dabdd7e921328f0ce0c2395bdc7f [INFO] running `Command { std: "docker" "start" "-a" "fef1d93817c2d8272fc9e8dbe82e52a42556dabdd7e921328f0ce0c2395bdc7f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking tracing-log v0.1.4 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking tracing-serde v0.1.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking mini_rediz v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/bin/client.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let res = client.get("foo").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] warning: unused variable: `res` [INFO] [stdout] --> src/bin/client.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let res = client.get("foo").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] --> src/bin/client.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | let t1 = tokio::spawn(async { [INFO] [stdout] | ^^^^^ may outlive borrowed value `client` [INFO] [stdout] 10 | let res = client.get("foo").await; [INFO] [stdout] | ------ `client` is borrowed here [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] 9 | 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] --> src/bin/client.rs:13:27 [INFO] [stdout] | [INFO] [stdout] 9 | let t1 = tokio::spawn(async { [INFO] [stdout] | - ----- first mutable borrow occurs here [INFO] [stdout] | ______________| [INFO] [stdout] | | [INFO] [stdout] 10 | | let res = client.get("foo").await; [INFO] [stdout] | | ------ first borrow occurs due to use of `client` in coroutine [INFO] [stdout] 11 | | }); [INFO] [stdout] | |______- argument requires that `client` is borrowed for `'static` [INFO] [stdout] 12 | [INFO] [stdout] 13 | let t2 = tokio::spawn(async { [INFO] [stdout] | ^^^^^ second mutable borrow occurs here [INFO] [stdout] 14 | client.set("foo", "bar".into()).await; [INFO] [stdout] | ------ second borrow occurs due to use of `client` in coroutine [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] --> src/bin/client.rs:9:27 [INFO] [stdout] | [INFO] [stdout] 9 | let t1 = tokio::spawn(async { [INFO] [stdout] | ^^^^^ may outlive borrowed value `client` [INFO] [stdout] 10 | let res = client.get("foo").await; [INFO] [stdout] | ------ `client` is borrowed here [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] 9 | 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] --> src/bin/client.rs:13:27 [INFO] [stdout] | [INFO] [stdout] 9 | let t1 = tokio::spawn(async { [INFO] [stdout] | - ----- first mutable borrow occurs here [INFO] [stdout] | ______________| [INFO] [stdout] | | [INFO] [stdout] 10 | | let res = client.get("foo").await; [INFO] [stdout] | | ------ first borrow occurs due to use of `client` in coroutine [INFO] [stdout] 11 | | }); [INFO] [stdout] | |______- argument requires that `client` is borrowed for `'static` [INFO] [stdout] 12 | [INFO] [stdout] 13 | let t2 = tokio::spawn(async { [INFO] [stdout] | ^^^^^ second mutable borrow occurs here [INFO] [stdout] 14 | client.set("foo", "bar".into()).await; [INFO] [stdout] | ------ second borrow occurs due to use of `client` in coroutine [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 `mini_rediz` (bin "client") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mini_rediz` (bin "client" test) due to 2 previous errors; 1 warning emitted [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] running `Command { std: "docker" "inspect" "fef1d93817c2d8272fc9e8dbe82e52a42556dabdd7e921328f0ce0c2395bdc7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fef1d93817c2d8272fc9e8dbe82e52a42556dabdd7e921328f0ce0c2395bdc7f", kill_on_drop: false }` [INFO] [stdout] fef1d93817c2d8272fc9e8dbe82e52a42556dabdd7e921328f0ce0c2395bdc7f