[INFO] fetching crate omegga 1.0.0...
[INFO] checking omegga-1.0.0 against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] extracting crate omegga 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate omegga 1.0.0 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 crates.io crate omegga 1.0.0
[INFO] finished tweaking crates.io crate omegga 1.0.0
[INFO] tweaked toml for crates.io crate omegga 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate omegga 1.0.0 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] f4f77172c782652d14ef32948c1e1e0664f7a3b6ef7205116c838bad302c4285
[INFO] running `Command { std: "docker" "start" "-a" "f4f77172c782652d14ef32948c1e1e0664f7a3b6ef7205116c838bad302c4285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f77172c782652d14ef32948c1e1e0664f7a3b6ef7205116c838bad302c4285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f77172c782652d14ef32948c1e1e0664f7a3b6ef7205116c838bad302c4285", kill_on_drop: false }`
[INFO] [stdout] f4f77172c782652d14ef32948c1e1e0664f7a3b6ef7205116c838bad302c4285
[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] bd1e3779f8b2ac3d7e40ca633fe3905309e10db9a7cc6c7b4bde4038d1af06ef
[INFO] running `Command { std: "docker" "start" "-a" "bd1e3779f8b2ac3d7e40ca633fe3905309e10db9a7cc6c7b4bde4038d1af06ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bitstream-io v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking dashmap v5.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking brickadia v0.1.24
[INFO] [stderr]     Checking omegga v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `<impl at src/lib.rs:74:1: 74:12>::spawn`
[INFO] [stdout]    --> src/lib.rs:87:9
[INFO] [stdout]     |
[INFO] [stdout] 87  |         tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib.rs:87:33: 304:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `<impl at src/lib.rs:74:1: 74:12>::spawn`, 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 `omegga` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0391]: cycle detected when type-checking `<impl at src/lib.rs:74:1: 74:12>::spawn`
[INFO] [stdout]    --> src/lib.rs:87:9
[INFO] [stdout]     |
[INFO] [stdout] 87  |         tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib.rs:87:33: 304:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `<impl at src/lib.rs:74:1: 74:12>::spawn::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:87:33
[INFO] [stdout]     |
[INFO] [stdout] 87  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 88  | |             let reader = BufReader::new(stdin());
[INFO] [stdout] 89  | |             let mut lines = reader.lines();
[INFO] [stdout] 90  | |             while let Some(line) = lines.next_line().await.unwrap() {
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |             }
[INFO] [stdout] 304 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `<impl at src/lib.rs:74:1: 74:12>::spawn`, 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 `omegga` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bd1e3779f8b2ac3d7e40ca633fe3905309e10db9a7cc6c7b4bde4038d1af06ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1e3779f8b2ac3d7e40ca633fe3905309e10db9a7cc6c7b4bde4038d1af06ef", kill_on_drop: false }`
[INFO] [stdout] bd1e3779f8b2ac3d7e40ca633fe3905309e10db9a7cc6c7b4bde4038d1af06ef