[INFO] cloning repository https://github.com/thara/rust-tcp-echo-server [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thara/rust-tcp-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthara%2Frust-tcp-echo-server"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthara%2Frust-tcp-echo-server'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] daf10149772fc8bde32334ae2327ee6db20c7a86 [INFO] testing thara/rust-tcp-echo-server against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthara%2Frust-tcp-echo-server" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thara/rust-tcp-echo-server on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/thara/rust-tcp-echo-server [INFO] finished tweaking git repo https://github.com/thara/rust-tcp-echo-server [INFO] tweaked toml for git repo https://github.com/thara/rust-tcp-echo-server written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/thara/rust-tcp-echo-server already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a2220c03adf99befb5ff1f1abf9e7aaa39703c64a0e28ee7673c1e246cc8d7e8 [INFO] running `"docker" "start" "-a" "a2220c03adf99befb5ff1f1abf9e7aaa39703c64a0e28ee7673c1e246cc8d7e8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling tcp-echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:11:20 [INFO] [stderr] | [INFO] [stderr] 11 | let listener = try!(TcpListener::bind(addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:15:26 [INFO] [stderr] | [INFO] [stderr] 15 | let mut stream = try!(stream); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:16:37 [INFO] [stderr] | [INFO] [stderr] 16 | println!("{:?} connected.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | let n = try!(stream.read(&mut bf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:22:38 [INFO] [stderr] | [INFO] [stderr] 22 | println!("{:?} closed.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | try!(stream.write(&bf[0..n])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:11:22 [INFO] [stderr] | [INFO] [stderr] 11 | let mut stream = try!(TcpStream::connect(addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let s = try!(stream.write(msg.as_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:16:41 [INFO] [stderr] | [INFO] [stderr] 16 | println!("Write {} bytes to {}", s, try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let n = try!(stream.read(&mut bf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:21:34 [INFO] [stderr] | [INFO] [stderr] 21 | println!("{:?} closed.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:23:48 [INFO] [stderr] | [INFO] [stderr] 23 | println!("Read {} bytes from {:?}", s, try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.40s [INFO] running `"docker" "inspect" "a2220c03adf99befb5ff1f1abf9e7aaa39703c64a0e28ee7673c1e246cc8d7e8"` [INFO] running `"docker" "rm" "-f" "a2220c03adf99befb5ff1f1abf9e7aaa39703c64a0e28ee7673c1e246cc8d7e8"` [INFO] [stdout] a2220c03adf99befb5ff1f1abf9e7aaa39703c64a0e28ee7673c1e246cc8d7e8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4c1a93bacb2952581195312e0a41ecfda6f14a76b630d0c1a1778173b7d85cc7 [INFO] running `"docker" "start" "-a" "4c1a93bacb2952581195312e0a41ecfda6f14a76b630d0c1a1778173b7d85cc7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tcp-echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:11:20 [INFO] [stderr] | [INFO] [stderr] 11 | let listener = try!(TcpListener::bind(addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:15:26 [INFO] [stderr] | [INFO] [stderr] 15 | let mut stream = try!(stream); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:16:37 [INFO] [stderr] | [INFO] [stderr] 16 | println!("{:?} connected.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | let n = try!(stream.read(&mut bf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:22:38 [INFO] [stderr] | [INFO] [stderr] 22 | println!("{:?} closed.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | try!(stream.write(&bf[0..n])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:11:22 [INFO] [stderr] | [INFO] [stderr] 11 | let mut stream = try!(TcpStream::connect(addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let s = try!(stream.write(msg.as_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:16:41 [INFO] [stderr] | [INFO] [stderr] 16 | println!("Write {} bytes to {}", s, try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let n = try!(stream.read(&mut bf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:21:34 [INFO] [stderr] | [INFO] [stderr] 21 | println!("{:?} closed.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:23:48 [INFO] [stderr] | [INFO] [stderr] 23 | println!("Read {} bytes from {:?}", s, try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `"docker" "inspect" "4c1a93bacb2952581195312e0a41ecfda6f14a76b630d0c1a1778173b7d85cc7"` [INFO] running `"docker" "rm" "-f" "4c1a93bacb2952581195312e0a41ecfda6f14a76b630d0c1a1778173b7d85cc7"` [INFO] [stdout] 4c1a93bacb2952581195312e0a41ecfda6f14a76b630d0c1a1778173b7d85cc7 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 11c3aa01d069d7809cb289614ea1c5e4b129311f3a701e7ad8229a085c2745cf [INFO] running `"docker" "start" "-a" "11c3aa01d069d7809cb289614ea1c5e4b129311f3a701e7ad8229a085c2745cf"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:11:20 [INFO] [stderr] | [INFO] [stderr] 11 | let listener = try!(TcpListener::bind(addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:15:26 [INFO] [stderr] | [INFO] [stderr] 15 | let mut stream = try!(stream); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:16:37 [INFO] [stderr] | [INFO] [stderr] 16 | println!("{:?} connected.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | let n = try!(stream.read(&mut bf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:22:38 [INFO] [stderr] | [INFO] [stderr] 22 | println!("{:?} closed.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | try!(stream.write(&bf[0..n])); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:11:22 [INFO] [stderr] | [INFO] [stderr] 11 | let mut stream = try!(TcpStream::connect(addr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let s = try!(stream.write(msg.as_bytes())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:16:41 [INFO] [stderr] | [INFO] [stderr] 16 | println!("Write {} bytes to {}", s, try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let n = try!(stream.read(&mut bf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:21:34 [INFO] [stderr] | [INFO] [stderr] 21 | println!("{:?} closed.", try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:23:48 [INFO] [stderr] | [INFO] [stderr] 23 | println!("Read {} bytes from {:?}", s, try!(stream.peer_addr())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tcp_echo_server-79a821428919fa03 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "11c3aa01d069d7809cb289614ea1c5e4b129311f3a701e7ad8229a085c2745cf"` [INFO] running `"docker" "rm" "-f" "11c3aa01d069d7809cb289614ea1c5e4b129311f3a701e7ad8229a085c2745cf"` [INFO] [stdout] 11c3aa01d069d7809cb289614ea1c5e4b129311f3a701e7ad8229a085c2745cf