[INFO] cloning repository https://github.com/abhijat/rust-network-stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhijat/rust-network-stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijat%2Frust-network-stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijat%2Frust-network-stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c1885c6381808e874663f4e97f981ca7802e45f
[INFO] testing abhijat/rust-network-stuff against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijat%2Frust-network-stuff" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abhijat/rust-network-stuff on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abhijat/rust-network-stuff
[INFO] finished tweaking git repo https://github.com/abhijat/rust-network-stuff
[INFO] tweaked toml for git repo https://github.com/abhijat/rust-network-stuff written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/abhijat/rust-network-stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 617101b1bb49335af8d0789166a3f746620a4730e9d7fcfd616b16905dadb5b8
[INFO] running `Command { std: "docker" "start" "-a" "617101b1bb49335af8d0789166a3f746620a4730e9d7fcfd616b16905dadb5b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617101b1bb49335af8d0789166a3f746620a4730e9d7fcfd616b16905dadb5b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617101b1bb49335af8d0789166a3f746620a4730e9d7fcfd616b16905dadb5b8", kill_on_drop: false }`
[INFO] [stdout] 617101b1bb49335af8d0789166a3f746620a4730e9d7fcfd616b16905dadb5b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa636e75d6a2042711454d88e18f7c8a43eaaa1b598031c804b7c73d27c8850
[INFO] running `Command { std: "docker" "start" "-a" "dfa636e75d6a2042711454d88e18f7c8a43eaaa1b598031c804b7c73d27c8850", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling serde v1.0.32
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling users v0.6.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling serde_derive_internals v0.20.1
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.32
[INFO] [stderr]    Compiling simple-tcp-server-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `Command { std: "docker" "inspect" "dfa636e75d6a2042711454d88e18f7c8a43eaaa1b598031c804b7c73d27c8850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa636e75d6a2042711454d88e18f7c8a43eaaa1b598031c804b7c73d27c8850", kill_on_drop: false }`
[INFO] [stdout] dfa636e75d6a2042711454d88e18f7c8a43eaaa1b598031c804b7c73d27c8850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59d91607f8b5cb563753099d6de221f61f961ea53a8e8d4d68f491284d595c8b
[INFO] running `Command { std: "docker" "start" "-a" "59d91607f8b5cb563753099d6de221f61f961ea53a8e8d4d68f491284d595c8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple-tcp-server-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "59d91607f8b5cb563753099d6de221f61f961ea53a8e8d4d68f491284d595c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d91607f8b5cb563753099d6de221f61f961ea53a8e8d4d68f491284d595c8b", kill_on_drop: false }`
[INFO] [stdout] 59d91607f8b5cb563753099d6de221f61f961ea53a8e8d4d68f491284d595c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40e3dcca1caf5aa7d23ef6ae89e0ef00853ecc29c66ef6fababaddf81b38e67b
[INFO] running `Command { std: "docker" "start" "-a" "40e3dcca1caf5aa7d23ef6ae89e0ef00853ecc29c66ef6fababaddf81b38e67b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-6a1ed76e6a18c75f)
[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/simple_tcp_server_client-136d0fbedf1531f0)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/udp_client-b16d5dbc8db5115a)
[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/udp_server-915d5bbb6b07a52d)
[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] [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" "40e3dcca1caf5aa7d23ef6ae89e0ef00853ecc29c66ef6fababaddf81b38e67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e3dcca1caf5aa7d23ef6ae89e0ef00853ecc29c66ef6fababaddf81b38e67b", kill_on_drop: false }`
[INFO] [stdout] 40e3dcca1caf5aa7d23ef6ae89e0ef00853ecc29c66ef6fababaddf81b38e67b