[INFO] cloning repository https://github.com/ustulation/using-quinn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ustulation/using-quinn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fusing-quinn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fusing-quinn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8bc722895860cea475a1709e361c57f33a52642
[INFO] checking ustulation/using-quinn against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fusing-quinn" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ustulation/using-quinn on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ustulation/using-quinn
[INFO] removed workspace from git repo https://github.com/ustulation/using-quinn
[INFO] finished tweaking git repo https://github.com/ustulation/using-quinn
[INFO] tweaked toml for git repo https://github.com/ustulation/using-quinn written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded attohttpc v0.10.1
[INFO] [stderr]   Downloaded quinn v0.6.1
[INFO] [stderr]   Downloaded xmltree v0.10.1
[INFO] [stderr]   Downloaded quinn-proto v0.6.1
[INFO] [stderr]   Downloaded rcgen v0.7.0
[INFO] [stderr]   Downloaded igd v0.10.2
[INFO] [stderr]   Downloaded pem v0.6.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.11
[INFO] [stderr]   Downloaded rustyline v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968772c250cf7b8b7abf641a55caa03b474701b0778040f1796f14d2d5440c96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "968772c250cf7b8b7abf641a55caa03b474701b0778040f1796f14d2d5440c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968772c250cf7b8b7abf641a55caa03b474701b0778040f1796f14d2d5440c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968772c250cf7b8b7abf641a55caa03b474701b0778040f1796f14d2d5440c96", kill_on_drop: false }`
[INFO] [stdout] 968772c250cf7b8b7abf641a55caa03b474701b0778040f1796f14d2d5440c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4df12bfec3863b2d6023530d1902f10182f67b6e9cded3b00c03130cf0ec9ec
[INFO] running `Command { std: "docker" "start" "-a" "d4df12bfec3863b2d6023530d1902f10182f67b6e9cded3b00c03130cf0ec9ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking base64 v0.11.0
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[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking void v1.0.2
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[INFO] [stderr]     Checking unicode-segmentation v1.6.0
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[INFO] [stderr]    Compiling ring v0.16.15
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[INFO] [stderr]     Checking crossbeam-channel v0.4.3
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[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.4
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[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]     Checking serde_json v1.0.57
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[INFO] [stderr]     Checking quinn-proto v0.6.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]     Checking quinn v0.6.1
[INFO] [stderr]     Checking quic-p2p v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::connection`
[INFO] [stdout]   --> src/test_utils.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::connection::{Connection, FromPeer, QConn, ToPeer};
[INFO] [stdout]    |            ^^^^^^^^^^ maybe a missing crate `connection`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::context`
[INFO] [stdout]   --> src/test_utils.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::context::ctx;
[INFO] [stdout]    |            ^^^^^^^ maybe a missing crate `context`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::context`
[INFO] [stdout]   --> src/test_utils.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::context::Context;
[INFO] [stdout]    |            ^^^^^^^ maybe a missing crate `context`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::communicate`, `crate::Peer`
[INFO] [stdout]   --> src/test_utils.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::{communicate, Peer, QuicP2p};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^ no `Peer` in the root
[INFO] [stdout]    |             |
[INFO] [stdout]    |             no `communicate` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::utils::new_unbounded_channels`, `crate::utils::EventReceivers`, `crate::utils::Token`, `crate::utils::R`
[INFO] [stdout]   --> src/test_utils.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::utils::{new_unbounded_channels, EventReceivers, Token, R};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^  ^ no `R` in `utils`
[INFO] [stdout]    |                    |                       |               |
[INFO] [stdout]    |                    |                       |               no `Token` in `utils`
[INFO] [stdout]    |                    |                       no `EventReceivers` in `utils`
[INFO] [stdout]    |                    no `new_unbounded_channels` in `utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 2, found 1
[INFO] [stdout]    --> src/test_utils.rs:122:55
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub(crate) fn attempted_connections(&mut self) -> Result<Vec<SocketAddr>> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ expected 2 type arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 2, found 1
[INFO] [stdout]    --> src/test_utils.rs:142:10
[INFO] [stdout]     |
[INFO] [stdout] 142 |     ) -> Result<Res>
[INFO] [stdout]     |          ^^^^^^^^^^^ expected 2 type arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quic-p2p`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant is never used: `MAX_CACHE_SIZE`
[INFO] [stdout]   --> src/bootstrap_cache.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const MAX_CACHE_SIZE: usize = 200;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_peer`
[INFO] [stdout]   --> src/bootstrap_cache.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn add_peer(&mut self, peer: SocketAddr) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_new`
[INFO] [stdout]   --> src/bootstrap_cache.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn insert_new(&mut self, peer: SocketAddr) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to_cache_top`
[INFO] [stdout]    --> src/bootstrap_cache.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn move_to_cache_top(&mut self, peer: SocketAddr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_sync_to_disk`
[INFO] [stdout]    --> src/bootstrap_cache.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn try_sync_to_disk(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d4df12bfec3863b2d6023530d1902f10182f67b6e9cded3b00c03130cf0ec9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4df12bfec3863b2d6023530d1902f10182f67b6e9cded3b00c03130cf0ec9ec", kill_on_drop: false }`
[INFO] [stdout] d4df12bfec3863b2d6023530d1902f10182f67b6e9cded3b00c03130cf0ec9ec