[INFO] cloning repository https://github.com/S2Lab/messycanvas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/S2Lab/messycanvas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS2Lab%2Fmessycanvas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS2Lab%2Fmessycanvas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccfcdc28d1f82dc1a550c957a55b69e32fae75b8
[INFO] checking S2Lab/messycanvas against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS2Lab%2Fmessycanvas" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S2Lab/messycanvas on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/S2Lab/messycanvas
[INFO] finished tweaking git repo https://github.com/S2Lab/messycanvas
[INFO] tweaked toml for git repo https://github.com/S2Lab/messycanvas written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/S2Lab/messycanvas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] 97ba3a6dc705cbb4c3a9f40af28aa11c0388eeb8213adc6f4ce34e2032e4423f
[INFO] running `Command { std: "docker" "start" "-a" "97ba3a6dc705cbb4c3a9f40af28aa11c0388eeb8213adc6f4ce34e2032e4423f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ba3a6dc705cbb4c3a9f40af28aa11c0388eeb8213adc6f4ce34e2032e4423f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ba3a6dc705cbb4c3a9f40af28aa11c0388eeb8213adc6f4ce34e2032e4423f", kill_on_drop: false }`
[INFO] [stdout] 97ba3a6dc705cbb4c3a9f40af28aa11c0388eeb8213adc6f4ce34e2032e4423f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d07206335531a4e3664ec9bdc922770aa0c33f4484e5dced044a2c33fb5e74
[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" "a5d07206335531a4e3664ec9bdc922770aa0c33f4484e5dced044a2c33fb5e74", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cli.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     lazy_static! {
[INFO] [stdout] 41 | |         static ref DEFAULT_CONFIG_PATH: &'static str = option_env!("CANVAS_DEFAULT_CONFIG_PATH")
[INFO] [stdout] 42 | |             .unwrap_or("/usr/local/etc/messycanvas/canvasd.toml");
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cli.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref CONFIG_PATH_DESCRIPTION: String = format!(
[INFO] [stdout] 51 | |             r"Reads configuration from path
[INFO] [stdout] 52 | |     This value can also be provided by environment variable
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         );
[INFO] [stdout] 59 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cli.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     lazy_static! {
[INFO] [stdout] 41 | |         static ref DEFAULT_CONFIG_PATH: &'static str = option_env!("CANVAS_DEFAULT_CONFIG_PATH")
[INFO] [stdout] 42 | |             .unwrap_or("/usr/local/etc/messycanvas/canvasd.toml");
[INFO] [stdout] 43 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cli.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref CONFIG_PATH_DESCRIPTION: String = format!(
[INFO] [stdout] 51 | |             r"Reads configuration from path
[INFO] [stdout] 52 | |     This value can also be provided by environment variable
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         );
[INFO] [stdout] 59 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddressChanged`
[INFO] [stdout]   --> src/srv.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     AddressChanged,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AddressChanged`
[INFO] [stdout]   --> src/srv.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     AddressChanged,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `Command { std: "docker" "inspect" "a5d07206335531a4e3664ec9bdc922770aa0c33f4484e5dced044a2c33fb5e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d07206335531a4e3664ec9bdc922770aa0c33f4484e5dced044a2c33fb5e74", kill_on_drop: false }`
[INFO] [stdout] a5d07206335531a4e3664ec9bdc922770aa0c33f4484e5dced044a2c33fb5e74