[INFO] fetching crate xmpp-jid 0.6.1...
[INFO] testing xmpp-jid-0.6.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate xmpp-jid 0.6.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate xmpp-jid 0.6.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmpp-jid 0.6.1
[INFO] finished tweaking crates.io crate xmpp-jid 0.6.1
[INFO] tweaked toml for crates.io crate xmpp-jid 0.6.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5812523b6d113f9b07b92e511d07bcf582d39a6f6055c9e3f2ba00d5a0ab6db9
[INFO] running `Command { std: "docker" "start" "-a" "5812523b6d113f9b07b92e511d07bcf582d39a6f6055c9e3f2ba00d5a0ab6db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5812523b6d113f9b07b92e511d07bcf582d39a6f6055c9e3f2ba00d5a0ab6db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5812523b6d113f9b07b92e511d07bcf582d39a6f6055c9e3f2ba00d5a0ab6db9", kill_on_drop: false }`
[INFO] [stdout] 5812523b6d113f9b07b92e511d07bcf582d39a6f6055c9e3f2ba00d5a0ab6db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 183e1c7a3dff1436b1d83e27d4b38964b0108b06229c471df2102994bd307a7b
[INFO] running `Command { std: "docker" "start" "-a" "183e1c7a3dff1436b1d83e27d4b38964b0108b06229c471df2102994bd307a7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmpp-jid v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "183e1c7a3dff1436b1d83e27d4b38964b0108b06229c471df2102994bd307a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183e1c7a3dff1436b1d83e27d4b38964b0108b06229c471df2102994bd307a7b", kill_on_drop: false }`
[INFO] [stdout] 183e1c7a3dff1436b1d83e27d4b38964b0108b06229c471df2102994bd307a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56a61aadcef3293298c14ca5c639976e5832d2bee299d9acfeef88b89e6b79e
[INFO] running `Command { std: "docker" "start" "-a" "c56a61aadcef3293298c14ca5c639976e5832d2bee299d9acfeef88b89e6b79e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmpp-jid v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `xmpp_jid::Jid`, `xmpp_jid::Error`
[INFO] [stdout]   --> tests/jid.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | use xmpp_jid::{Jid, Error};
[INFO] [stdout]    |                ^^^  ^^^^^ no `Error` in the root
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `Jid` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            std::error::Error
[INFO] [stdout]            std::fmt::Error
[INFO] [stdout]            std::io::Error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in crate `xmpp_jid`
[INFO] [stdout]    --> tests/jid.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     assert_send::<xmpp_jid::Result<Jid>>();
[INFO] [stdout]     |                             ^^^^^^ not found in `xmpp_jid`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::fmt::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::io::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::result::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::thread::Result;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Result`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 115 -     assert_send::<xmpp_jid::Result<Jid>>();
[INFO] [stdout] 115 +     assert_send::<Result<Jid>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in crate `xmpp_jid`
[INFO] [stdout]    --> tests/jid.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |     assert_sync::<xmpp_jid::Result<Jid>>();
[INFO] [stdout]     |                             ^^^^^^ not found in `xmpp_jid`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::fmt::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::io::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::result::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::thread::Result;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Result`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 123 -     assert_sync::<xmpp_jid::Result<Jid>>();
[INFO] [stdout] 123 +     assert_sync::<Result<Jid>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> tests/jid.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/jid.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(not(feature = "stable"), feature(try_from))]
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/jid.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(not(feature = "stable"), feature(try_from))]
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmpp-jid` (test "jid") due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c56a61aadcef3293298c14ca5c639976e5832d2bee299d9acfeef88b89e6b79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56a61aadcef3293298c14ca5c639976e5832d2bee299d9acfeef88b89e6b79e", kill_on_drop: false }`
[INFO] [stdout] c56a61aadcef3293298c14ca5c639976e5832d2bee299d9acfeef88b89e6b79e
[INFO] testing xmpp-jid-0.6.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate xmpp-jid 0.6.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate xmpp-jid 0.6.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmpp-jid 0.6.1
[INFO] finished tweaking crates.io crate xmpp-jid 0.6.1
[INFO] tweaked toml for crates.io crate xmpp-jid 0.6.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a453eee0642e2a968b9b517adaa5a40b457c88bef09b821f6fcabdd6ec27ce8
[INFO] running `Command { std: "docker" "start" "-a" "2a453eee0642e2a968b9b517adaa5a40b457c88bef09b821f6fcabdd6ec27ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a453eee0642e2a968b9b517adaa5a40b457c88bef09b821f6fcabdd6ec27ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a453eee0642e2a968b9b517adaa5a40b457c88bef09b821f6fcabdd6ec27ce8", kill_on_drop: false }`
[INFO] [stdout] 2a453eee0642e2a968b9b517adaa5a40b457c88bef09b821f6fcabdd6ec27ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 935bba41a8e135e4ee6a61c2357719f524c0685c5e4287e87ac3ab930b8bc87b
[INFO] running `Command { std: "docker" "start" "-a" "935bba41a8e135e4ee6a61c2357719f524c0685c5e4287e87ac3ab930b8bc87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmpp-jid v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "935bba41a8e135e4ee6a61c2357719f524c0685c5e4287e87ac3ab930b8bc87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935bba41a8e135e4ee6a61c2357719f524c0685c5e4287e87ac3ab930b8bc87b", kill_on_drop: false }`
[INFO] [stdout] 935bba41a8e135e4ee6a61c2357719f524c0685c5e4287e87ac3ab930b8bc87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7a26c387154f20397a8ae94a3edaa1cd34993944a9e43ea2715df5f6b88015f
[INFO] running `Command { std: "docker" "start" "-a" "c7a26c387154f20397a8ae94a3edaa1cd34993944a9e43ea2715df5f6b88015f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmpp-jid v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `xmpp_jid::Jid`, `xmpp_jid::Error`
[INFO] [stdout]   --> tests/jid.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | use xmpp_jid::{Jid, Error};
[INFO] [stdout]    |                ^^^  ^^^^^ no `Error` in the root
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `Jid` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider importing one of these items instead:
[INFO] [stdout]            std::error::Error
[INFO] [stdout]            std::fmt::Error
[INFO] [stdout]            std::io::Error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in crate `xmpp_jid`
[INFO] [stdout]    --> tests/jid.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     assert_send::<xmpp_jid::Result<Jid>>();
[INFO] [stdout]     |                             ^^^^^^ not found in `xmpp_jid`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::fmt::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::io::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::result::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::thread::Result;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Result`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 115 -     assert_send::<xmpp_jid::Result<Jid>>();
[INFO] [stdout] 115 +     assert_send::<Result<Jid>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in crate `xmpp_jid`
[INFO] [stdout]    --> tests/jid.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |     assert_sync::<xmpp_jid::Result<Jid>>();
[INFO] [stdout]     |                             ^^^^^^ not found in `xmpp_jid`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::fmt::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::io::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::result::Result;
[INFO] [stdout]     |
[INFO] [stdout] 12  + use std::thread::Result;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Result`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 123 -     assert_sync::<xmpp_jid::Result<Jid>>();
[INFO] [stdout] 123 +     assert_sync::<Result<Jid>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> tests/jid.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/jid.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(not(feature = "stable"), feature(try_from))]
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/jid.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(not(feature = "stable"), feature(try_from))]
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmpp-jid` (test "jid") due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c7a26c387154f20397a8ae94a3edaa1cd34993944a9e43ea2715df5f6b88015f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a26c387154f20397a8ae94a3edaa1cd34993944a9e43ea2715df5f6b88015f", kill_on_drop: false }`
[INFO] [stdout] c7a26c387154f20397a8ae94a3edaa1cd34993944a9e43ea2715df5f6b88015f
