[INFO] cloning repository https://github.com/ibaryshnikov/yew-match-3-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ibaryshnikov/yew-match-3-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibaryshnikov%2Fyew-match-3-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibaryshnikov%2Fyew-match-3-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9602f6c3b30459aee025ee9542a6a93d5ff0269b
[INFO] checking ibaryshnikov/yew-match-3-example against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibaryshnikov%2Fyew-match-3-example" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ibaryshnikov/yew-match-3-example on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ibaryshnikov/yew-match-3-example
[INFO] finished tweaking git repo https://github.com/ibaryshnikov/yew-match-3-example
[INFO] tweaked toml for git repo https://github.com/ibaryshnikov/yew-match-3-example written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ibaryshnikov/yew-match-3-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web_logger v0.1.0
[INFO] [stderr]   Downloaded base-x v0.2.2
[INFO] [stderr]   Downloaded rand v0.5.0
[INFO] [stderr]   Downloaded rand_core v0.2.0
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded serde_json v1.0.19
[INFO] [stderr]   Downloaded stdweb v0.4.6
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.1.0
[INFO] [stderr]   Downloaded discard v1.0.3
[INFO] [stderr]   Downloaded stdweb-derive v0.4.0
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4102552aaf518009d93b9b3ce137c4332305fe611b5b5455f07fcdc91e648a24
[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" "4102552aaf518009d93b9b3ce137c4332305fe611b5b5455f07fcdc91e648a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4102552aaf518009d93b9b3ce137c4332305fe611b5b5455f07fcdc91e648a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4102552aaf518009d93b9b3ce137c4332305fe611b5b5455f07fcdc91e648a24", kill_on_drop: false }`
[INFO] [stdout] 4102552aaf518009d93b9b3ce137c4332305fe611b5b5455f07fcdc91e648a24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 75f05c8dc2d461f8a238d0f5ee9a70d87947c0b4ee5ac7fcd3eeb4b627a6f3e2
[INFO] running `Command { std: "docker" "start" "-a" "75f05c8dc2d461f8a238d0f5ee9a70d87947c0b4ee5ac7fcd3eeb4b627a6f3e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling stdweb v0.4.6
[INFO] [stderr]     Checking discard v1.0.3
[INFO] [stderr]     Checking rand_core v0.2.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]     Checking web_logger v0.1.0
[INFO] [stderr]     Checking yew v0.5.0 (https://github.com/DenisKolodin/yew#19515cc8)
[INFO] [stderr]     Checking m3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(x: i8, y: i8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     width:  i8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     height: i8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     position: Option<Position>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(x: i8, y: i8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     width:  i8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     height: i8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     position: Option<Position>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.99s
[INFO] running `Command { std: "docker" "inspect" "75f05c8dc2d461f8a238d0f5ee9a70d87947c0b4ee5ac7fcd3eeb4b627a6f3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f05c8dc2d461f8a238d0f5ee9a70d87947c0b4ee5ac7fcd3eeb4b627a6f3e2", kill_on_drop: false }`
[INFO] [stdout] 75f05c8dc2d461f8a238d0f5ee9a70d87947c0b4ee5ac7fcd3eeb4b627a6f3e2