[INFO] cloning repository https://github.com/Luminoth/echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luminoth/echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminoth%2Fecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminoth%2Fecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d0d4ac1686711a53db7c84740808d16f1939e8f
[INFO] checking Luminoth/echo against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminoth%2Fecho" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Luminoth/echo on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Luminoth/echo
[INFO] finished tweaking git repo https://github.com/Luminoth/echo
[INFO] tweaked toml for git repo https://github.com/Luminoth/echo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Luminoth/echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f78b51343ec586a8fbdeebe830bf627657a7e36cf40ec629cb2b52fd76f0be1d
[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" "f78b51343ec586a8fbdeebe830bf627657a7e36cf40ec629cb2b52fd76f0be1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f78b51343ec586a8fbdeebe830bf627657a7e36cf40ec629cb2b52fd76f0be1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78b51343ec586a8fbdeebe830bf627657a7e36cf40ec629cb2b52fd76f0be1d", kill_on_drop: false }`
[INFO] [stdout] f78b51343ec586a8fbdeebe830bf627657a7e36cf40ec629cb2b52fd76f0be1d
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97852e09dda26574942e24f7b6cb5c62654df6d2c5da64e291a1af74c8e1d978
[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" "97852e09dda26574942e24f7b6cb5c62654df6d2c5da64e291a1af74c8e1d978", kill_on_drop: false }`
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[INFO] [stderr]    Compiling prost v0.9.0
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[INFO] [stderr]     Checking aws-sdk-sts v0.3.0
[INFO] [stderr]     Checking aws-sdk-gamelift v0.3.0
[INFO] [stderr]     Checking aws-config v0.3.0
[INFO] [stderr]     Checking console-subscriber v0.1.0
[INFO] [stderr]     Checking echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::server`
[INFO] [stdout]  --> src/gamelift.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::server;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::server`
[INFO] [stdout]  --> src/gamelift.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::server;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown_receiver`
[INFO] [stdout]   --> src/gamelift.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (shutdown_sender, shutdown_receiver) = broadcast::channel(1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown_receiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown_receiver`
[INFO] [stdout]   --> src/gamelift.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (shutdown_sender, shutdown_receiver) = broadcast::channel(1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown_receiver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 12s
[INFO] running `Command { std: "docker" "inspect" "97852e09dda26574942e24f7b6cb5c62654df6d2c5da64e291a1af74c8e1d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97852e09dda26574942e24f7b6cb5c62654df6d2c5da64e291a1af74c8e1d978", kill_on_drop: false }`
[INFO] [stdout] 97852e09dda26574942e24f7b6cb5c62654df6d2c5da64e291a1af74c8e1d978