[INFO] updating cached repository https://github.com/silvadanilo/rust-testing-sending-error
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16f394fd5a7710b9e096cd5959b3cf76500f2b25
[INFO] testing silvadanilo/rust-testing-sending-error against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvadanilo%2Frust-testing-sending-error" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silvadanilo/rust-testing-sending-error 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/silvadanilo/rust-testing-sending-error
[INFO] finished tweaking git repo https://github.com/silvadanilo/rust-testing-sending-error
[INFO] tweaked toml for git repo https://github.com/silvadanilo/rust-testing-sending-error written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/silvadanilo/rust-testing-sending-error 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 38c318a655f841ada315d2a9e32cf06fa6a05cb05a25e48a743b3af139f99a1f
[INFO] running `"docker" "start" "-a" "38c318a655f841ada315d2a9e32cf06fa6a05cb05a25e48a743b3af139f99a1f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling futures v0.1.11
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling bytes v0.4.1
[INFO] [stderr]    Compiling mio v0.6.5
[INFO] [stderr]    Compiling tokio-io v0.1.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.6
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-line v0.1.0 (https://github.com/tokio-rs/tokio-line#e2cf5758)
[INFO] [stderr]    Compiling test-connection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/main.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::{io, str};
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_core::io::{Io};
[INFO] [stderr]    |                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::write_all': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 tokio_core::io::write_all(sender, msg.into_bytes())
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io::split': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (receiver, sender) = stream.split();
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receiver`
[INFO] [stderr]   --> src/main.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (receiver, sender) = stream.split();
[INFO] [stderr]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.40s
[INFO] running `"docker" "inspect" "38c318a655f841ada315d2a9e32cf06fa6a05cb05a25e48a743b3af139f99a1f"`
[INFO] running `"docker" "rm" "-f" "38c318a655f841ada315d2a9e32cf06fa6a05cb05a25e48a743b3af139f99a1f"`
[INFO] [stdout] 38c318a655f841ada315d2a9e32cf06fa6a05cb05a25e48a743b3af139f99a1f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b532699791cd08cb1e4c6e82f7da93e25df7d213bba47703d639158e1bf6aabe
[INFO] running `"docker" "start" "-a" "b532699791cd08cb1e4c6e82f7da93e25df7d213bba47703d639158e1bf6aabe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling test-connection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/main.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::{io, str};
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_core::io::{Io};
[INFO] [stderr]    |                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::write_all': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 tokio_core::io::write_all(sender, msg.into_bytes())
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io::split': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (receiver, sender) = stream.split();
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receiver`
[INFO] [stderr]   --> src/main.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (receiver, sender) = stream.split();
[INFO] [stderr]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "b532699791cd08cb1e4c6e82f7da93e25df7d213bba47703d639158e1bf6aabe"`
[INFO] running `"docker" "rm" "-f" "b532699791cd08cb1e4c6e82f7da93e25df7d213bba47703d639158e1bf6aabe"`
[INFO] [stdout] b532699791cd08cb1e4c6e82f7da93e25df7d213bba47703d639158e1bf6aabe
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a116320a96c211e897124e75f9033d68df365e0cc397db49c24f575f841d8ea3
[INFO] running `"docker" "start" "-a" "a116320a96c211e897124e75f9033d68df365e0cc397db49c24f575f841d8ea3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/main.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::{io, str};
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_core::io::{Io};
[INFO] [stderr]    |                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::write_all': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 tokio_core::io::write_all(sender, msg.into_bytes())
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_core::io::Io::split': moved to the `tokio-io` crate
[INFO] [stderr]   --> src/main.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (receiver, sender) = stream.split();
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `receiver`
[INFO] [stderr]   --> src/main.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let (receiver, sender) = stream.split();
[INFO] [stderr]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_connection-88fa3d64e20fe74c
[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" "a116320a96c211e897124e75f9033d68df365e0cc397db49c24f575f841d8ea3"`
[INFO] running `"docker" "rm" "-f" "a116320a96c211e897124e75f9033d68df365e0cc397db49c24f575f841d8ea3"`
[INFO] [stdout] a116320a96c211e897124e75f9033d68df365e0cc397db49c24f575f841d8ea3