[INFO] fetching crate quinn-proto 0.10.6...
[INFO] checking quinn-proto-0.10.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate quinn-proto 0.10.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate quinn-proto 0.10.6 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quinn-proto 0.10.6
[INFO] finished tweaking crates.io crate quinn-proto 0.10.6
[INFO] tweaked toml for crates.io crate quinn-proto 0.10.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]      Locking 99 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding pem v1.1.1 (latest: v3.0.3)
[INFO] [stderr]       Adding rcgen v0.10.0 (latest: v0.13.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9527d29fa78d351520f577034fe5682439671f22d0d41cc2c8770e39cc10f61
[INFO] running `Command { std: "docker" "start" "-a" "b9527d29fa78d351520f577034fe5682439671f22d0d41cc2c8770e39cc10f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9527d29fa78d351520f577034fe5682439671f22d0d41cc2c8770e39cc10f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9527d29fa78d351520f577034fe5682439671f22d0d41cc2c8770e39cc10f61", kill_on_drop: false }`
[INFO] [stdout] b9527d29fa78d351520f577034fe5682439671f22d0d41cc2c8770e39cc10f61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2bfd4a998f48a71accdddbf5eb3d75eedc38c2e2117f47a1ffd7b6f0a271b70
[INFO] running `Command { std: "docker" "start" "-a" "c2bfd4a998f48a71accdddbf5eb3d75eedc38c2e2117f47a1ffd7b6f0a271b70", kill_on_drop: false }`
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rcgen v0.10.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking quinn-proto v0.10.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/transport_parameters.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/varint.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/connection/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/connection/streams/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/crypto/rustls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, convert::TryInto, io, str, sync::Arc};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustls` is imported redundantly
[INFO] [stdout]  --> src/crypto/rustls.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     self,
[INFO] [stdout]   |     ^^^^ the item `rustls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/endpoint.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]    --> src/packet.rs:804:9
[INFO] [stdout]     |
[INFO] [stdout] 801 |     use super::*;
[INFO] [stdout]     |         -------- the item `io` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 804 |     use std::io;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/tests/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     convert::TryInto,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SocketAddr` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:3:31
[INFO] [stdout]    |
[INFO] [stdout] 3  |     net::{Ipv4Addr, Ipv6Addr, SocketAddr},
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `SocketAddr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 5  |     time::{Duration, Instant},
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use bytes::Bytes;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `Bytes` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConnectionIdGenerator` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `ConnectionIdGenerator` is already imported here
[INFO] [stdout] 17 | use crate::{
[INFO] [stdout] 18 |     cid_generator::{ConnectionIdGenerator, RandomConnectionIdGenerator},
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RandomConnectionIdGenerator` is imported redundantly
[INFO] [stdout]   --> src/tests/mod.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | use super::*;
[INFO] [stdout]    |     -------- the item `RandomConnectionIdGenerator` is already imported here
[INFO] [stdout] 17 | use crate::{
[INFO] [stdout] 18 |     cid_generator::{ConnectionIdGenerator, RandomConnectionIdGenerator},
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv6Addr` is imported redundantly
[INFO] [stdout]   --> src/tests/util.rs:7:11
[INFO] [stdout]    |
[INFO] [stdout] 7  |     net::{Ipv6Addr, SocketAddr, UdpSocket},
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 | use super::*;
[INFO] [stdout]    |     -------- the item `Ipv6Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SocketAddr` is imported redundantly
[INFO] [stdout]   --> src/tests/util.rs:7:21
[INFO] [stdout]    |
[INFO] [stdout] 7  |     net::{Ipv6Addr, SocketAddr, UdpSocket},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 | use super::*;
[INFO] [stdout]    |     -------- the item `SocketAddr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]   --> src/tests/util.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     sync::{Arc, Mutex},
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 | use super::*;
[INFO] [stdout]    |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]   --> src/tests/util.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time::{Duration, Instant},
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 | use super::*;
[INFO] [stdout]    |     -------- the item `Duration` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Instant` is imported redundantly
[INFO] [stdout]   --> src/tests/util.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time::{Duration, Instant},
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 | use super::*;
[INFO] [stdout]    |     -------- the item `Instant` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/transport_parameters.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/varint.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryInto, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/connection/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SpaceId` is imported redundantly
[INFO] [stdout]    --> src/connection/mtud.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |     use super::*;
[INFO] [stdout]     |         -------- the item `SpaceId` is already imported here
[INFO] [stdout] 486 |     use crate::packet::SpaceId;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MAX_UDP_PAYLOAD` is imported redundantly
[INFO] [stdout]    --> src/connection/mtud.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |     use super::*;
[INFO] [stdout]     |         -------- the item `MAX_UDP_PAYLOAD` is already imported here
[INFO] [stdout] 486 |     use crate::packet::SpaceId;
[INFO] [stdout] 487 |     use crate::MAX_UDP_PAYLOAD;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/connection/streams/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BytesMut` is imported redundantly
[INFO] [stdout]    --> src/connection/streams/state.rs:928:24
[INFO] [stdout]     |
[INFO] [stdout] 923 |     use super::*;
[INFO] [stdout]     |         -------- the item `BytesMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 928 |     use bytes::{Bytes, BytesMut};
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/crypto/rustls.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, convert::TryInto, io, str, sync::Arc};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustls` is imported redundantly
[INFO] [stdout]  --> src/crypto/rustls.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     self,
[INFO] [stdout]   |     ^^^^ the item `rustls` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/endpoint.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::TryFrom,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.60s
[INFO] running `Command { std: "docker" "inspect" "c2bfd4a998f48a71accdddbf5eb3d75eedc38c2e2117f47a1ffd7b6f0a271b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bfd4a998f48a71accdddbf5eb3d75eedc38c2e2117f47a1ffd7b6f0a271b70", kill_on_drop: false }`
[INFO] [stdout] c2bfd4a998f48a71accdddbf5eb3d75eedc38c2e2117f47a1ffd7b6f0a271b70