[INFO] cloning repository https://github.com/fengshux/ipcdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fengshux/ipcdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffengshux%2Fipcdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffengshux%2Fipcdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed28c935773514c6f1274d0e50e3cbc7c3878ee6
[INFO] testing fengshux/ipcdemo against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffengshux%2Fipcdemo" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fengshux/ipcdemo on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fengshux/ipcdemo
[INFO] finished tweaking git repo https://github.com/fengshux/ipcdemo
[INFO] tweaked toml for git repo https://github.com/fengshux/ipcdemo written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/fengshux/ipcdemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d52b7b0c0dc0ac9fba1a1cb976c330109d604249aa0822bbf7c14870a73542
[INFO] running `Command { std: "docker" "start" "-a" "44d52b7b0c0dc0ac9fba1a1cb976c330109d604249aa0822bbf7c14870a73542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d52b7b0c0dc0ac9fba1a1cb976c330109d604249aa0822bbf7c14870a73542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d52b7b0c0dc0ac9fba1a1cb976c330109d604249aa0822bbf7c14870a73542", kill_on_drop: false }`
[INFO] [stdout] 44d52b7b0c0dc0ac9fba1a1cb976c330109d604249aa0822bbf7c14870a73542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e34d4453fc563944299c1d489dae80d1245c809923a70f8467960db486b511
[INFO] running `Command { std: "docker" "start" "-a" "90e34d4453fc563944299c1d489dae80d1245c809923a70f8467960db486b511", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ipcdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/bin/server.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.05s
[INFO] running `Command { std: "docker" "inspect" "90e34d4453fc563944299c1d489dae80d1245c809923a70f8467960db486b511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e34d4453fc563944299c1d489dae80d1245c809923a70f8467960db486b511", kill_on_drop: false }`
[INFO] [stdout] 90e34d4453fc563944299c1d489dae80d1245c809923a70f8467960db486b511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf39b121cac6358d3ded605e81c5c6892cd0c763aa903f7e66a3f5570acb8aed
[INFO] running `Command { std: "docker" "start" "-a" "cf39b121cac6358d3ded605e81c5c6892cd0c763aa903f7e66a3f5570acb8aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipcdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/bin/server.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "cf39b121cac6358d3ded605e81c5c6892cd0c763aa903f7e66a3f5570acb8aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf39b121cac6358d3ded605e81c5c6892cd0c763aa903f7e66a3f5570acb8aed", kill_on_drop: false }`
[INFO] [stdout] cf39b121cac6358d3ded605e81c5c6892cd0c763aa903f7e66a3f5570acb8aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3edd5c97ceaa9fea8218b526aace9d82be64ac07eaf6f1cf1abde2dd9825cb1
[INFO] running `Command { std: "docker" "start" "-a" "c3edd5c97ceaa9fea8218b526aace9d82be64ac07eaf6f1cf1abde2dd9825cb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/bin/server.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ipcdemo` (bin "server" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-34a73f4bd39ff742)
[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/ipcdemo-988dbc546644c28b)
[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-3d3220d90e5f937f)
[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" "c3edd5c97ceaa9fea8218b526aace9d82be64ac07eaf6f1cf1abde2dd9825cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3edd5c97ceaa9fea8218b526aace9d82be64ac07eaf6f1cf1abde2dd9825cb1", kill_on_drop: false }`
[INFO] [stdout] c3edd5c97ceaa9fea8218b526aace9d82be64ac07eaf6f1cf1abde2dd9825cb1