[INFO] cloning repository https://github.com/anoty/mrp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anoty/mrp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanoty%2Fmrp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanoty%2Fmrp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72673a881bf8d9a10847deac16aadf384690f4a2
[INFO] testing anoty/mrp against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanoty%2Fmrp" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anoty/mrp 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/anoty/mrp
[INFO] finished tweaking git repo https://github.com/anoty/mrp
[INFO] tweaked toml for git repo https://github.com/anoty/mrp written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/anoty/mrp 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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] d50b0625661b15f6484313444135cad3c309878c170dc8a8c7095bdb00e2621f
[INFO] running `Command { std: "docker" "start" "-a" "d50b0625661b15f6484313444135cad3c309878c170dc8a8c7095bdb00e2621f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50b0625661b15f6484313444135cad3c309878c170dc8a8c7095bdb00e2621f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50b0625661b15f6484313444135cad3c309878c170dc8a8c7095bdb00e2621f", kill_on_drop: false }`
[INFO] [stdout] d50b0625661b15f6484313444135cad3c309878c170dc8a8c7095bdb00e2621f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 955c2eb386870c48e158041c4bd8f840a45805e881df2df0c500d7cc0952e5ae
[INFO] running `Command { std: "docker" "start" "-a" "955c2eb386870c48e158041c4bd8f840a45805e881df2df0c500d7cc0952e5ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.7
[INFO] [stderr]    Compiling libc v0.2.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling mrp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `memcached_client` in this scope
[INFO] [stdout]   --> src/main.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |     thread::spawn(move || memcached_client(&streams));
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `memcached_clientg`
[INFO] [stdout] ...
[INFO] [stdout] 73 | fn memcached_clientg(sp: Vec<TcpStream>) {
[INFO] [stdout]    | ---------------------------------------- similarly named function `memcached_clientg` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/main.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let _ = stream.write(b);
[INFO] [stdout]    |                    ^^^^^ method not found in `Option<TcpStream>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/main.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let m = match stream.read(&mut buf) {
[INFO] [stdout]    |                          ^^^^ method not found in `Option<TcpStream>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mrp` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "955c2eb386870c48e158041c4bd8f840a45805e881df2df0c500d7cc0952e5ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955c2eb386870c48e158041c4bd8f840a45805e881df2df0c500d7cc0952e5ae", kill_on_drop: false }`
[INFO] [stdout] 955c2eb386870c48e158041c4bd8f840a45805e881df2df0c500d7cc0952e5ae