[INFO] updating cached repository https://github.com/twaters/mq_arbiter
[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] 87dbdd56c40c40176561cb80f1109009300ef7dc
[INFO] testing twaters/mq_arbiter against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwaters%2Fmq_arbiter" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twaters/mq_arbiter on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/twaters/mq_arbiter
[INFO] finished tweaking git repo https://github.com/twaters/mq_arbiter
[INFO] tweaked toml for git repo https://github.com/twaters/mq_arbiter written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/twaters/mq_arbiter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 9aa12b6af354c4aaec20c09f900ba316eaf01aeed5185250f6ffb8b40621f3a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9aa12b6af354c4aaec20c09f900ba316eaf01aeed5185250f6ffb8b40621f3a9"`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling arbiter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'zmq::message::Message::from_slice': Use the `From` trait instead.
[INFO] [stderr]    --> src/main.rs:214:15
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let state = zmq::Message::from_slice(i.to_string().as_bytes());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn is_checksum_valid(message: &Vec<zmq::Message>) -> bool {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `registration_message`
[INFO] [stderr]    --> src/main.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn spawn_child(identity_name : &str, registration_message : &zmq::Message, children : &mut HashMap<String, zmq::Socket>, ctx : &zmq::Context) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]    --> src/main.rs:186:8
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let checksum = message.swap_remove(7);
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `"docker" "inspect" "9aa12b6af354c4aaec20c09f900ba316eaf01aeed5185250f6ffb8b40621f3a9"`
[INFO] running `"docker" "rm" "-f" "9aa12b6af354c4aaec20c09f900ba316eaf01aeed5185250f6ffb8b40621f3a9"`
[INFO] [stdout] 9aa12b6af354c4aaec20c09f900ba316eaf01aeed5185250f6ffb8b40621f3a9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3b937e0c34ce7f4ab905f43c02aae16172c712b997197c1e38bf6260e85c18b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3b937e0c34ce7f4ab905f43c02aae16172c712b997197c1e38bf6260e85c18b8"`
[INFO] [stderr]    Compiling arbiter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'zmq::message::Message::from_slice': Use the `From` trait instead.
[INFO] [stderr]    --> src/main.rs:214:15
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let state = zmq::Message::from_slice(i.to_string().as_bytes());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn is_checksum_valid(message: &Vec<zmq::Message>) -> bool {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `registration_message`
[INFO] [stderr]    --> src/main.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn spawn_child(identity_name : &str, registration_message : &zmq::Message, children : &mut HashMap<String, zmq::Socket>, ctx : &zmq::Context) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]    --> src/main.rs:186:8
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let checksum = message.swap_remove(7);
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "3b937e0c34ce7f4ab905f43c02aae16172c712b997197c1e38bf6260e85c18b8"`
[INFO] running `"docker" "rm" "-f" "3b937e0c34ce7f4ab905f43c02aae16172c712b997197c1e38bf6260e85c18b8"`
[INFO] [stdout] 3b937e0c34ce7f4ab905f43c02aae16172c712b997197c1e38bf6260e85c18b8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 43ef85dae56ba73b35ad59bed6c26dd8e86569b42f338ebdaae87d04a660d218
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "43ef85dae56ba73b35ad59bed6c26dd8e86569b42f338ebdaae87d04a660d218"`
[INFO] [stderr] warning: use of deprecated item 'zmq::message::Message::from_slice': Use the `From` trait instead.
[INFO] [stderr]    --> src/main.rs:214:15
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let state = zmq::Message::from_slice(i.to_string().as_bytes());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn is_checksum_valid(message: &Vec<zmq::Message>) -> bool {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `registration_message`
[INFO] [stderr]    --> src/main.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn spawn_child(identity_name : &str, registration_message : &zmq::Message, children : &mut HashMap<String, zmq::Socket>, ctx : &zmq::Context) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]    --> src/main.rs:186:8
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let checksum = message.swap_remove(7);
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arbiter-11b2155ad62185f7
[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" "43ef85dae56ba73b35ad59bed6c26dd8e86569b42f338ebdaae87d04a660d218"`
[INFO] running `"docker" "rm" "-f" "43ef85dae56ba73b35ad59bed6c26dd8e86569b42f338ebdaae87d04a660d218"`
[INFO] [stdout] 43ef85dae56ba73b35ad59bed6c26dd8e86569b42f338ebdaae87d04a660d218