[INFO] cloning repository https://github.com/jxs/follower-maze-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jxs/follower-maze-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxs%2Ffollower-maze-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxs%2Ffollower-maze-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d0d54d4a704e2650b4d1a5fc884aca10b01745d5 [INFO] checking jxs/follower-maze-rust against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjxs%2Ffollower-maze-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jxs/follower-maze-rust on toolchain 8ea250bdb76176ecb0225baa34aa634b024ae0e2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jxs/follower-maze-rust [INFO] finished tweaking git repo https://github.com/jxs/follower-maze-rust [INFO] tweaked toml for git repo https://github.com/jxs/follower-maze-rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/jxs/follower-maze-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0826e4af6ebd825af5044bf73c0ab4d21d314aee754b67f935c97f2792eee6e2 [INFO] running `Command { std: "docker" "start" "-a" "0826e4af6ebd825af5044bf73c0ab4d21d314aee754b67f935c97f2792eee6e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0826e4af6ebd825af5044bf73c0ab4d21d314aee754b67f935c97f2792eee6e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0826e4af6ebd825af5044bf73c0ab4d21d314aee754b67f935c97f2792eee6e2", kill_on_drop: false }` [INFO] [stdout] 0826e4af6ebd825af5044bf73c0ab4d21d314aee754b67f935c97f2792eee6e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02954b4732fdda3b897d86873f92d42f238224ab81d425d043ea0f6819afb216 [INFO] running `Command { std: "docker" "start" "-a" "02954b4732fdda3b897d86873f92d42f238224ab81d425d043ea0f6819afb216", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking bytes v1.0.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling anyhow v1.0.19 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.8 [INFO] [stderr] Compiling tokio v1.0.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling async-stream-impl v0.3.0 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Checking async-stream v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking tokio-stream v0.1.0 [INFO] [stderr] Checking tokio-util v0.6.0 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking followermaze v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0391]: cycle detected when type-checking `client::tests::client_socket_receives_client_events` [INFO] [stdout] --> src/lib/client.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib/client.rs:50:33: 54:10]: core::marker::Send`... [INFO] [stdout] note: ...which requires generator glue MIR for `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires elaborating drops for `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires borrow-checking `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires processing `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires processing MIR for `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires unsafety-checking `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires building MIR for `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires type-checking `client::tests::client_socket_receives_client_events::{closure#0}::{closure#0}`... [INFO] [stdout] --> src/lib/client.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | tokio::spawn(async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 51 | | let (socket, _addr) = listener.accept().await.unwrap(); [INFO] [stdout] 52 | | let client = Client::new("132".to_string(), socket, rx); [INFO] [stdout] 53 | | tokio::spawn(client.run()); [INFO] [stdout] 54 | | }); [INFO] [stdout] | |_________^ [INFO] [stdout] = note: ...which again requires type-checking `client::tests::client_socket_receives_client_events`, completing the cycle [INFO] [stdout] = note: cycle used when type-checking all item bodies [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0391`. [INFO] [stdout] [INFO] [stderr] error: could not compile `followermaze` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "02954b4732fdda3b897d86873f92d42f238224ab81d425d043ea0f6819afb216", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02954b4732fdda3b897d86873f92d42f238224ab81d425d043ea0f6819afb216", kill_on_drop: false }` [INFO] [stdout] 02954b4732fdda3b897d86873f92d42f238224ab81d425d043ea0f6819afb216