[INFO] updating cached repository https://github.com/tkondrashov/chat
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb24f55f3da6d7a81394e29347bd6a2a25ac8d91
[INFO] testing tkondrashov/chat against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkondrashov%2Fchat" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkondrashov/chat on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tkondrashov/chat
[INFO] finished tweaking git repo https://github.com/tkondrashov/chat
[INFO] tweaked toml for git repo https://github.com/tkondrashov/chat written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tkondrashov/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 605d00b7aedd57e623bf5181e46ae2e44203f66a9ee3892f5d361a24e5c625c0
[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" "605d00b7aedd57e623bf5181e46ae2e44203f66a9ee3892f5d361a24e5c625c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "605d00b7aedd57e623bf5181e46ae2e44203f66a9ee3892f5d361a24e5c625c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605d00b7aedd57e623bf5181e46ae2e44203f66a9ee3892f5d361a24e5c625c0", kill_on_drop: false }`
[INFO] [stdout] 605d00b7aedd57e623bf5181e46ae2e44203f66a9ee3892f5d361a24e5c625c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] eca6f12e769347abb5fad5f51e756d91e1df0b96b41d28444930ea479b5bb9b6
[INFO] running `Command { std: "docker" "start" "-a" "eca6f12e769347abb5fad5f51e756d91e1df0b96b41d28444930ea479b5bb9b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling workerpool v1.2.0
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling rust-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/main.rs:132:41
[INFO] [stdout]     |
[INFO] [stdout] 132 |               Message::Text(_from, _to, message) => {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.43s
[INFO] running `Command { std: "docker" "inspect" "eca6f12e769347abb5fad5f51e756d91e1df0b96b41d28444930ea479b5bb9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca6f12e769347abb5fad5f51e756d91e1df0b96b41d28444930ea479b5bb9b6", kill_on_drop: false }`
[INFO] [stdout] eca6f12e769347abb5fad5f51e756d91e1df0b96b41d28444930ea479b5bb9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce99733734c2c29fb88da72e652fb3348b5c321cdd81ba50dbb7c8154952e51a
[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" "ce99733734c2c29fb88da72e652fb3348b5c321cdd81ba50dbb7c8154952e51a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/main.rs:132:41
[INFO] [stdout]     |
[INFO] [stdout] 132 |               Message::Text(_from, _to, message) => {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "ce99733734c2c29fb88da72e652fb3348b5c321cdd81ba50dbb7c8154952e51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce99733734c2c29fb88da72e652fb3348b5c321cdd81ba50dbb7c8154952e51a", kill_on_drop: false }`
[INFO] [stdout] ce99733734c2c29fb88da72e652fb3348b5c321cdd81ba50dbb7c8154952e51a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 91bbabdf2f6896fe0013362a3c82f344c15368c3cf62b31cc2212ef3e58453d2
[INFO] running `Command { std: "docker" "start" "-a" "91bbabdf2f6896fe0013362a3c82f344c15368c3cf62b31cc2212ef3e58453d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/main.rs:132:41
[INFO] [stderr]     |
[INFO] [stderr] 132 |               Message::Text(_from, _to, message) => {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_chat-47b20e592ce0a436
[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 `Command { std: "docker" "inspect" "91bbabdf2f6896fe0013362a3c82f344c15368c3cf62b31cc2212ef3e58453d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bbabdf2f6896fe0013362a3c82f344c15368c3cf62b31cc2212ef3e58453d2", kill_on_drop: false }`
[INFO] [stdout] 91bbabdf2f6896fe0013362a3c82f344c15368c3cf62b31cc2212ef3e58453d2