[INFO] fetching crate xcore 0.1.3...
[INFO] testing xcore-0.1.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xcore 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xcore 0.1.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcore 0.1.3
[INFO] finished tweaking crates.io crate xcore 0.1.3
[INFO] tweaked toml for crates.io crate xcore 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09b6e57626e3044b4a84d7c86e7b53a152bf970b483e19dc28e6a7a9b55e975c
[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" "09b6e57626e3044b4a84d7c86e7b53a152bf970b483e19dc28e6a7a9b55e975c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b6e57626e3044b4a84d7c86e7b53a152bf970b483e19dc28e6a7a9b55e975c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b6e57626e3044b4a84d7c86e7b53a152bf970b483e19dc28e6a7a9b55e975c", kill_on_drop: false }`
[INFO] [stdout] 09b6e57626e3044b4a84d7c86e7b53a152bf970b483e19dc28e6a7a9b55e975c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.49.0" "build" "--frozen" "--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] cbe019db63e3b2fe61e21229584ee69f3236a9a2c285fc1961966891fb9ef5d0
[INFO] running `Command { std: "docker" "start" "-a" "cbe019db63e3b2fe61e21229584ee69f3236a9a2c285fc1961966891fb9ef5d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcore v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "cbe019db63e3b2fe61e21229584ee69f3236a9a2c285fc1961966891fb9ef5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe019db63e3b2fe61e21229584ee69f3236a9a2c285fc1961966891fb9ef5d0", kill_on_drop: false }`
[INFO] [stdout] cbe019db63e3b2fe61e21229584ee69f3236a9a2c285fc1961966891fb9ef5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.49.0" "test" "--frozen" "--no-run" "--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] 367677ae56d9a5153837958909ddb10b11ff315711c78016a1c30d45996d205a
[INFO] running `Command { std: "docker" "start" "-a" "367677ae56d9a5153837958909ddb10b11ff315711c78016a1c30d45996d205a", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcore v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "367677ae56d9a5153837958909ddb10b11ff315711c78016a1c30d45996d205a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367677ae56d9a5153837958909ddb10b11ff315711c78016a1c30d45996d205a", kill_on_drop: false }`
[INFO] [stdout] 367677ae56d9a5153837958909ddb10b11ff315711c78016a1c30d45996d205a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.49.0" "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] f7afe5c40c6527d0adf7a3a3da27e0b278e123d524097e2ab357267da6193ff1
[INFO] running `Command { std: "docker" "start" "-a" "f7afe5c40c6527d0adf7a3a3da27e0b278e123d524097e2ab357267da6193ff1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xcore-f45581c9ea80bc2f
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xcore
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Listener`
[INFO] [stdout]   --> src/lib.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let listen: Listener = Listener::new("127.0.0.1:6666");
[INFO] [stdout]    |                            ^^^^^^^^ use of undeclared type `Listener`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Executor`
[INFO] [stdout]   --> src/lib.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let worker: Executor = Executor::new(2000,4, handler,h);
[INFO] [stdout]    |                            ^^^^^^^^ use of undeclared type `Executor`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `BTreeSet` in this scope
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |    map: BTreeSet<i32>,
[INFO] [stdout]   |         ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::BTreeSet;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/lib.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |               socket: &mut TcpStream,
[INFO] [stdout]    |                            ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 commander: Sender<Ctrl>,
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 13 |               commander: Send<Ctrl>,
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ctrl` in this scope
[INFO] [stdout]   --> src/lib.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn handler(fd: i32,
[INFO] [stdout]    |               - help: you might be missing a type parameter: `<Ctrl>`
[INFO] [stdout] 12 |               socket: &mut TcpStream,
[INFO] [stdout] 13 |               commander: Sender<Ctrl>,
[INFO] [stdout]    |                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Arc` in this scope
[INFO] [stdout]   --> src/lib.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |               handle: Arc<RwLock<Handler>>){
[INFO] [stdout]    |                       ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::sync::Arc;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `RwLock` in this scope
[INFO] [stdout]   --> src/lib.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |               handle: Arc<RwLock<Handler>>){
[INFO] [stdout]    |                           ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::sync::RwLock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `write_handle` in this scope
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     write_handle.add_user(fd);
[INFO] [stdout]    |     ^^^^^^^^^^^^ help: a local variable with a similar name exists: `wirte_handle`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTreeSet`
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |        map: BTreeSet::new(),
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::collections::BTreeSet;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Listener` in this scope
[INFO] [stdout]   --> src/lib.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let listen: Listener = Listener::new("127.0.0.1:6666");
[INFO] [stdout]    |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Executor` in this scope
[INFO] [stdout]   --> src/lib.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let worker: Executor = Executor::new(2000,4, handler,h);
[INFO] [stdout]    |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f7afe5c40c6527d0adf7a3a3da27e0b278e123d524097e2ab357267da6193ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7afe5c40c6527d0adf7a3a3da27e0b278e123d524097e2ab357267da6193ff1", kill_on_drop: false }`
[INFO] [stdout] f7afe5c40c6527d0adf7a3a3da27e0b278e123d524097e2ab357267da6193ff1