[INFO] cloning repository https://github.com/LucasMartinsUthi/my-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucasMartinsUthi/my-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasMartinsUthi%2Fmy-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasMartinsUthi%2Fmy-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e89b8a0ed21bdebc0dce7939ae502ec65a19b313
[INFO] checking LucasMartinsUthi/my-redis against master#d97bb195bf7b84815622b235cb51171c1b8f7e51 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasMartinsUthi%2Fmy-redis" "/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/LucasMartinsUthi/my-redis on toolchain d97bb195bf7b84815622b235cb51171c1b8f7e51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucasMartinsUthi/my-redis
[INFO] finished tweaking git repo https://github.com/LucasMartinsUthi/my-redis
[INFO] tweaked toml for git repo https://github.com/LucasMartinsUthi/my-redis written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LucasMartinsUthi/my-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" "+d97bb195bf7b84815622b235cb51171c1b8f7e51" "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 LucasMartinsUthi/my-redis against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasMartinsUthi%2Fmy-redis" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucasMartinsUthi/my-redis on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucasMartinsUthi/my-redis
[INFO] finished tweaking git repo https://github.com/LucasMartinsUthi/my-redis
[INFO] tweaked toml for git repo https://github.com/LucasMartinsUthi/my-redis written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LucasMartinsUthi/my-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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking LucasMartinsUthi/my-redis against try#1930f260edd7e614aa013a0665aa5cfd0ada0501 for pr-117905
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasMartinsUthi%2Fmy-redis" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucasMartinsUthi/my-redis on toolchain 1930f260edd7e614aa013a0665aa5cfd0ada0501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucasMartinsUthi/my-redis
[INFO] finished tweaking git repo https://github.com/LucasMartinsUthi/my-redis
[INFO] tweaked toml for git repo https://github.com/LucasMartinsUthi/my-redis written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LucasMartinsUthi/my-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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "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 mini-redis v0.4.1
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cae0bae4433cad8ad5244216a728993e9156f536ab6b8a4f754cde53d8e4bfa7
[INFO] running `Command { std: "docker" "start" "-a" "cae0bae4433cad8ad5244216a728993e9156f536ab6b8a4f754cde53d8e4bfa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cae0bae4433cad8ad5244216a728993e9156f536ab6b8a4f754cde53d8e4bfa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae0bae4433cad8ad5244216a728993e9156f536ab6b8a4f754cde53d8e4bfa7", kill_on_drop: false }`
[INFO] [stdout] cae0bae4433cad8ad5244216a728993e9156f536ab6b8a4f754cde53d8e4bfa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1930f260edd7e614aa013a0665aa5cfd0ada0501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643f684cd3596a92e470be18bc43f2c9787292d39bd6c85bb6e9596e302179a3
[INFO] running `Command { std: "docker" "start" "-a" "643f684cd3596a92e470be18bc43f2c9787292d39bd6c85bb6e9596e302179a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[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 v1.5.6
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-stream v0.1.9
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking my-redis 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("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] warning: unused variable: `res`
[INFO] [stdout]   --> src/bin/client.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         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]   --> src/bin/client.rs:9:27
[INFO] [stdout]    |
[INFO] [stdout] 9  |       let t1 = tokio::spawn(async {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 10 | |         let res = client.get("hello").await;
[INFO] [stdout]    | |                   ------ `client` is borrowed here
[INFO] [stdout] 11 | |     });
[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] 9  |     let t1 = tokio::spawn(async move {
[INFO] [stdout]    |                                 ++++
[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]    |  ___________________________^
[INFO] [stdout] 10 | |         let res = client.get("hello").await;
[INFO] [stdout]    | |                   ------ `client` is borrowed here
[INFO] [stdout] 11 | |     });
[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] 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]    |  _______________-____________-
[INFO] [stdout]    | | ______________|
[INFO] [stdout]    | ||
[INFO] [stdout] 10 | ||         let res = client.get("hello").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]    | |______|
[INFO] [stdout]    |        first mutable borrow occurs here
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |        let t2 = tokio::spawn(async {
[INFO] [stdout]    |   ___________________________^
[INFO] [stdout] 14 |  |         client.set("foo", "bar".into()).await;
[INFO] [stdout]    |  |         ------ second borrow occurs due to use of `client` in coroutine
[INFO] [stdout] 15 |  |     });
[INFO] [stdout]    |  |_____^ second mutable borrow occurs here
[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]    |  _______________-____________-
[INFO] [stdout]    | | ______________|
[INFO] [stdout]    | ||
[INFO] [stdout] 10 | ||         let res = client.get("hello").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]    | |______|
[INFO] [stdout]    |        first mutable borrow occurs here
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |        let t2 = tokio::spawn(async {
[INFO] [stdout]    |   ___________________________^
[INFO] [stdout] 14 |  |         client.set("foo", "bar".into()).await;
[INFO] [stdout]    |  |         ------ second borrow occurs due to use of `client` in coroutine
[INFO] [stdout] 15 |  |     });
[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] [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 `my-redis` (bin "client") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `my-redis` (bin "client" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "643f684cd3596a92e470be18bc43f2c9787292d39bd6c85bb6e9596e302179a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643f684cd3596a92e470be18bc43f2c9787292d39bd6c85bb6e9596e302179a3", kill_on_drop: false }`
[INFO] [stdout] 643f684cd3596a92e470be18bc43f2c9787292d39bd6c85bb6e9596e302179a3