[INFO] cloning repository https://github.com/Nukesor/debug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nukesor/debug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5de8e6ea8ae3595bf7f5912ec392b15ca953e6a
[INFO] checking Nukesor/debug against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nukesor/debug on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nukesor/debug
[INFO] finished tweaking git repo https://github.com/Nukesor/debug
[INFO] tweaked toml for git repo https://github.com/Nukesor/debug written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Nukesor/debug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-tls v0.11.0
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41b13340ae9fd0c94b4a86aab5fae670b1e7fb043ccfad561bde22a42d28abb3
[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" "41b13340ae9fd0c94b4a86aab5fae670b1e7fb043ccfad561bde22a42d28abb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41b13340ae9fd0c94b4a86aab5fae670b1e7fb043ccfad561bde22a42d28abb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b13340ae9fd0c94b4a86aab5fae670b1e7fb043ccfad561bde22a42d28abb3", kill_on_drop: false }`
[INFO] [stdout] 41b13340ae9fd0c94b4a86aab5fae670b1e7fb043ccfad561bde22a42d28abb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] e65640ffef4640e8ab860849e688d0fcf30a28c865e611975429aa3a51682922
[INFO] running `Command { std: "docker" "start" "-a" "e65640ffef4640e8ab860849e688d0fcf30a28c865e611975429aa3a51682922", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-tls v0.11.0
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking debug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/server.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         let (stream, _) = tcp_listener
[INFO] [stdout] 31 | |             .accept()
[INFO] [stdout] 32 | |             .await
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         };
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 44 | 
[INFO] [stdout] 45 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/client.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let stream = tls_connector
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/server.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         let (stream, _) = tcp_listener
[INFO] [stdout] 31 | |             .accept()
[INFO] [stdout] 32 | |             .await
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |         };
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 44 | 
[INFO] [stdout] 45 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/client.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let stream = tls_connector
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.80s
[INFO] running `Command { std: "docker" "inspect" "e65640ffef4640e8ab860849e688d0fcf30a28c865e611975429aa3a51682922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65640ffef4640e8ab860849e688d0fcf30a28c865e611975429aa3a51682922", kill_on_drop: false }`
[INFO] [stdout] e65640ffef4640e8ab860849e688d0fcf30a28c865e611975429aa3a51682922