[INFO] cloning repository https://github.com/Milesq/chat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Milesq/chat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fchat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fchat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b5865dac46c264c9b446cfeebdd641c05d74103
[INFO] testing Milesq/chat-rs against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fchat-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Milesq/chat-rs on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Milesq/chat-rs
[INFO] finished tweaking git repo https://github.com/Milesq/chat-rs
[INFO] tweaked toml for git repo https://github.com/Milesq/chat-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Milesq/chat-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.10.0
[INFO] [stderr]   Downloaded dialoguer v0.5.0
[INFO] [stderr]   Downloaded regex v1.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b57766aed69ecdfe7fcd02b9c89b82bf6f8124142b4e2b155613b207696744
[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" "c9b57766aed69ecdfe7fcd02b9c89b82bf6f8124142b4e2b155613b207696744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b57766aed69ecdfe7fcd02b9c89b82bf6f8124142b4e2b155613b207696744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b57766aed69ecdfe7fcd02b9c89b82bf6f8124142b4e2b155613b207696744", kill_on_drop: false }`
[INFO] [stdout] c9b57766aed69ecdfe7fcd02b9c89b82bf6f8124142b4e2b155613b207696744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "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] 890f9165014f82dd80db43a777920981627ce4868fae9363a9fa52e350c6bad7
[INFO] running `Command { std: "docker" "start" "-a" "890f9165014f82dd80db43a777920981627ce4868fae9363a9fa52e350c6bad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling console v0.10.0
[INFO] [stderr]    Compiling dialoguer v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `participants` is never read
[INFO] [stdout]   --> src/chat/chat_client.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   participants = new_participants_array;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `participants`
[INFO] [stdout]   --> src/chat/chat_client.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   participants = new_participants_array;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.34s
[INFO] running `Command { std: "docker" "inspect" "890f9165014f82dd80db43a777920981627ce4868fae9363a9fa52e350c6bad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890f9165014f82dd80db43a777920981627ce4868fae9363a9fa52e350c6bad7", kill_on_drop: false }`
[INFO] [stdout] 890f9165014f82dd80db43a777920981627ce4868fae9363a9fa52e350c6bad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3583c88b49a45427d9fead386bc73c61265f29ce59348247cff37b85caa1def3
[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" "3583c88b49a45427d9fead386bc73c61265f29ce59348247cff37b85caa1def3", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `participants` is never read
[INFO] [stdout]   --> src/chat/chat_client.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   participants = new_participants_array;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `participants`
[INFO] [stdout]   --> src/chat/chat_client.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   participants = new_participants_array;
[INFO] [stdout]    |                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "3583c88b49a45427d9fead386bc73c61265f29ce59348247cff37b85caa1def3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3583c88b49a45427d9fead386bc73c61265f29ce59348247cff37b85caa1def3", kill_on_drop: false }`
[INFO] [stdout] 3583c88b49a45427d9fead386bc73c61265f29ce59348247cff37b85caa1def3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 394ad424c74d561d19fbae9e09c06da99745e3be889d6dc1cbcd9491b2a0c9c3
[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" "394ad424c74d561d19fbae9e09c06da99745e3be889d6dc1cbcd9491b2a0c9c3", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `participants` is never read
[INFO] [stderr]   --> src/chat/chat_client.rs:59:29
[INFO] [stderr]    |
[INFO] [stderr] 59 | ...                   participants = new_participants_array;
[INFO] [stderr]    |                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `participants`
[INFO] [stderr]   --> src/chat/chat_client.rs:59:29
[INFO] [stderr]    |
[INFO] [stderr] 59 | ...                   participants = new_participants_array;
[INFO] [stderr]    |                       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chat-61508c584b3f64bf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chat::prepare_request::tests::prepare_functions_are_compatibile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "394ad424c74d561d19fbae9e09c06da99745e3be889d6dc1cbcd9491b2a0c9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394ad424c74d561d19fbae9e09c06da99745e3be889d6dc1cbcd9491b2a0c9c3", kill_on_drop: false }`
[INFO] [stdout] 394ad424c74d561d19fbae9e09c06da99745e3be889d6dc1cbcd9491b2a0c9c3