[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] a00fe15e398b8dd0fb7ae674a3009f2a03f0b575
[INFO] testing Nukesor/debug against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNukesor%2Fdebug" "/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/Nukesor/debug on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.19
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded ring v0.16.19
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7795a6744d3d84d26083493c95e8d06bc2e569c94d7eee50b40b968abdc57002
[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" "7795a6744d3d84d26083493c95e8d06bc2e569c94d7eee50b40b968abdc57002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7795a6744d3d84d26083493c95e8d06bc2e569c94d7eee50b40b968abdc57002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7795a6744d3d84d26083493c95e8d06bc2e569c94d7eee50b40b968abdc57002", kill_on_drop: false }`
[INFO] [stdout] 7795a6744d3d84d26083493c95e8d06bc2e569c94d7eee50b40b968abdc57002
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eccf017909c25d2d23571b8d393730c0eb6e96c6131ad11c4784cba443d10bba
[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" "eccf017909c25d2d23571b8d393730c0eb6e96c6131ad11c4784cba443d10bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling async-mutex v1.4.0
[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]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling async-tls v0.11.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling 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: 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 45.22s
[INFO] running `Command { std: "docker" "inspect" "eccf017909c25d2d23571b8d393730c0eb6e96c6131ad11c4784cba443d10bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eccf017909c25d2d23571b8d393730c0eb6e96c6131ad11c4784cba443d10bba", kill_on_drop: false }`
[INFO] [stdout] eccf017909c25d2d23571b8d393730c0eb6e96c6131ad11c4784cba443d10bba
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9decb56dc6f8fadf2e59e48be7b66e930c2a0e6a2663a4cb69b6c0a1890285a1
[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" "9decb56dc6f8fadf2e59e48be7b66e930c2a0e6a2663a4cb69b6c0a1890285a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "9decb56dc6f8fadf2e59e48be7b66e930c2a0e6a2663a4cb69b6c0a1890285a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9decb56dc6f8fadf2e59e48be7b66e930c2a0e6a2663a4cb69b6c0a1890285a1", kill_on_drop: false }`
[INFO] [stdout] 9decb56dc6f8fadf2e59e48be7b66e930c2a0e6a2663a4cb69b6c0a1890285a1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] 8d05af9eda3bf43813b87484ba520ca114fe19331d668bc10598cace9843d6c1
[INFO] running `Command { std: "docker" "start" "-a" "8d05af9eda3bf43813b87484ba520ca114fe19331d668bc10598cace9843d6c1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/client.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let stream = tls_connector
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/server.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     loop {
[INFO] [stderr] 30 | |         let (stream, _) = tcp_listener
[INFO] [stderr] 31 | |             .accept()
[INFO] [stderr] 32 | |             .await
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |         };
[INFO] [stderr] 43 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 44 | 
[INFO] [stderr] 45 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-12d41524c8eae4b5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-75b4ee84c7cf0f92)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d05af9eda3bf43813b87484ba520ca114fe19331d668bc10598cace9843d6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d05af9eda3bf43813b87484ba520ca114fe19331d668bc10598cace9843d6c1", kill_on_drop: false }`
[INFO] [stdout] 8d05af9eda3bf43813b87484ba520ca114fe19331d668bc10598cace9843d6c1