[INFO] fetching crate pipr 0.0.16...
[INFO] checking pipr-0.0.16 against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] extracting crate pipr 0.0.16 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pipr 0.0.16 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 pipr 0.0.16
[INFO] finished tweaking crates.io crate pipr 0.0.16
[INFO] tweaked toml for crates.io crate pipr 0.0.16 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pipr 0.0.16 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9be9d0d8c7716be62a522b39189e657b299328877f73d04f800db751887727b5
[INFO] running `Command { std: "docker" "start" "-a" "9be9d0d8c7716be62a522b39189e657b299328877f73d04f800db751887727b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be9d0d8c7716be62a522b39189e657b299328877f73d04f800db751887727b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be9d0d8c7716be62a522b39189e657b299328877f73d04f800db751887727b5", kill_on_drop: false }`
[INFO] [stdout] 9be9d0d8c7716be62a522b39189e657b299328877f73d04f800db751887727b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b16033b16de8c3c9ae8760bd826c12ffdff7c921bdb8501257aac9e8f0e1ad35
[INFO] running `Command { std: "docker" "start" "-a" "b16033b16de8c3c9ae8760bd826c12ffdff7c921bdb8501257aac9e8f0e1ad35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking plist v1.2.1
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[INFO] [stderr]    Compiling tokio-macros v0.2.6
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[INFO] [stderr]     Checking pipr v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start`
[INFO] [stdout]    --> src/command_evaluation.rs:60:9
[INFO] [stdout]     |
[INFO] [stdout] 60  |         tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/command_evaluation.rs:60:33: 162:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start`, completing the cycle
[INFO] [stdout]     = note: cycle used when type-checking all item bodies
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when type-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start`
[INFO] [stdout]    --> src/command_evaluation.rs:60:9
[INFO] [stdout]     |
[INFO] [stdout] 60  |         tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/command_evaluation.rs:60:33: 162:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start::{closure#0}`...
[INFO] [stdout]    --> src/command_evaluation.rs:60:33
[INFO] [stdout]     |
[INFO] [stdout] 60  |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 61  | |             let mut handle = Left(futures::future::pending());
[INFO] [stdout] 62  | |             let mut out_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] 63  | |             let mut err_lines_stream = Left(futures::stream::pending());
[INFO] [stdout] ...   |
[INFO] [stdout] 161 | |             }
[INFO] [stdout] 162 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `command_evaluation::<impl at src/command_evaluation.rs:44:1: 44:29>::start`, 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] 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 `pipr` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0391`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pipr` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b16033b16de8c3c9ae8760bd826c12ffdff7c921bdb8501257aac9e8f0e1ad35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16033b16de8c3c9ae8760bd826c12ffdff7c921bdb8501257aac9e8f0e1ad35", kill_on_drop: false }`
[INFO] [stdout] b16033b16de8c3c9ae8760bd826c12ffdff7c921bdb8501257aac9e8f0e1ad35