[INFO] cloning repository https://github.com/tbar4/tokio-reference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tbar4/tokio-reference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbar4%2Ftokio-reference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbar4%2Ftokio-reference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d94e00aa9b8a7cc411da5588540f47989a00e59e
[INFO] checking tbar4/tokio-reference against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbar4%2Ftokio-reference" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tbar4/tokio-reference
[INFO] finished tweaking git repo https://github.com/tbar4/tokio-reference
[INFO] tweaked toml for git repo https://github.com/tbar4/tokio-reference written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tbar4/tokio-reference on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tbar4/tokio-reference 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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 tbar4/tokio-reference against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbar4%2Ftokio-reference" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tbar4/tokio-reference
[INFO] finished tweaking git repo https://github.com/tbar4/tokio-reference
[INFO] tweaked toml for git repo https://github.com/tbar4/tokio-reference written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tbar4/tokio-reference on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tbar4/tokio-reference 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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 structopt v0.3.26
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded serde_json v1.0.127
[INFO] [stderr]   Downloaded syn v2.0.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68841df69e1a3e7fa7babf16330ad7d65406c04e08a2de03332704603aa83762
[INFO] running `Command { std: "docker" "start" "-a" "68841df69e1a3e7fa7babf16330ad7d65406c04e08a2de03332704603aa83762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68841df69e1a3e7fa7babf16330ad7d65406c04e08a2de03332704603aa83762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68841df69e1a3e7fa7babf16330ad7d65406c04e08a2de03332704603aa83762", kill_on_drop: false }`
[INFO] [stdout] 68841df69e1a3e7fa7babf16330ad7d65406c04e08a2de03332704603aa83762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf6fc1f52ecffd10f41f3d0044f0c18a13709ce09d15332f3e9b42df973547d
[INFO] running `Command { std: "docker" "start" "-a" "6cf6fc1f52ecffd10f41f3d0044f0c18a13709ce09d15332f3e9b42df973547d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
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[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking my-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt`
[INFO] [stdout]  --> src/bin/echo-server-copy.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{self, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt` and `AsyncWriteExt`
[INFO] [stdout]  --> src/bin/echo-server-copy.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::{self, AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                       ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/echo-server-copy.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     loop {
[INFO] [stdout]  9 | |         let (mut socket, _) = listener.accept().await?;
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         });
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/echo-server-copy.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     loop {
[INFO] [stdout]  9 | |         let (mut socket, _) = listener.accept().await?;
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |         tokio::spawn(async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |         });
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]  --> src/main.rs:7:53
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Responder = oneshot::Sender<mini_redis::Result<T>>;
[INFO] [stdout]   |                                                     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/main.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |         resp: Responder<Option<Bytes>>,
[INFO] [stdout]    |               ^^^^^^^^^--------------- help: remove the unnecessary generics
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: type alias defined here, with 0 generic parameters
[INFO] [stdout]   --> src/main.rs:7:6
[INFO] [stdout]    |
[INFO] [stdout]  7 | type Responder = oneshot::Sender<mini_redis::Result<T>>;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/main.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         resp: Responder<()>,
[INFO] [stdout]    |               ^^^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: type alias defined here, with 0 generic parameters
[INFO] [stdout]   --> src/main.rs:7:6
[INFO] [stdout]    |
[INFO] [stdout]  7 | type Responder = oneshot::Sender<mini_redis::Result<T>>;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/echo-server-copy.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (mut socket, _) = listener.accept().await?;
[INFO] [stdout]   |              ----^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/echo-server-copy.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let (mut socket, _) = listener.accept().await?;
[INFO] [stdout]   |              ----^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `T` in this scope
[INFO] [stdout]  --> src/main.rs:7:53
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Responder = oneshot::Sender<mini_redis::Result<T>>;
[INFO] [stdout]   |                                                     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/main.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |         resp: Responder<Option<Bytes>>,
[INFO] [stdout]    |               ^^^^^^^^^--------------- help: remove the unnecessary generics
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: type alias defined here, with 0 generic parameters
[INFO] [stdout]   --> src/main.rs:7:6
[INFO] [stdout]    |
[INFO] [stdout]  7 | type Responder = oneshot::Sender<mini_redis::Result<T>>;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> src/bin/server.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             process(socket, db).await;
[INFO] [stdout]    |             ^^^^^^^         -- unexpected argument #2 of type `Arc<std::sync::Mutex<HashMap<String, bytes::Bytes>>>`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/bin/server.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn process(socket: TcpStream) {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 25 -             process(socket, db).await;
[INFO] [stdout] 25 +             process(socket).await;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/main.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |         resp: Responder<()>,
[INFO] [stdout]    |               ^^^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: type alias defined here, with 0 generic parameters
[INFO] [stdout]   --> src/main.rs:7:6
[INFO] [stdout]    |
[INFO] [stdout]  7 | type Responder = oneshot::Sender<mini_redis::Result<T>>;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 2 arguments were supplied
[INFO] [stdout]   --> src/bin/server.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             process(socket, db).await;
[INFO] [stdout]    |             ^^^^^^^         -- unexpected argument #2 of type `Arc<std::sync::Mutex<HashMap<String, bytes::Bytes>>>`
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/bin/server.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn process(socket: TcpStream) {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 25 -             process(socket, db).await;
[INFO] [stdout] 25 +             process(socket).await;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-redis` (bin "server" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-redis` (bin "server") due to 1 previous error
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-redis` (bin "my-redis" test) due to 3 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-redis` (bin "my-redis") due to 3 previous errors
[INFO] [stdout] error[E0601]: `main` function not found in crate `client`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/bin/client.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-redis` (bin "client") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6cf6fc1f52ecffd10f41f3d0044f0c18a13709ce09d15332f3e9b42df973547d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf6fc1f52ecffd10f41f3d0044f0c18a13709ce09d15332f3e9b42df973547d", kill_on_drop: false }`
[INFO] [stdout] 6cf6fc1f52ecffd10f41f3d0044f0c18a13709ce09d15332f3e9b42df973547d
