[INFO] cloning repository https://github.com/Its-ibijon/wasm-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Its-ibijon/wasm-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-ibijon%2Fwasm-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-ibijon%2Fwasm-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d4946e908bb1decaf340a734e4d61d4ed4379aa
[INFO] checking Its-ibijon/wasm-snake against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-ibijon%2Fwasm-snake" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  86% (390/449)
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Updating files: 100% (449/449), done.
[INFO] validating manifest of git repo https://github.com/Its-ibijon/wasm-snake on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Its-ibijon/wasm-snake
[INFO] finished tweaking git repo https://github.com/Its-ibijon/wasm-snake
[INFO] tweaked toml for git repo https://github.com/Its-ibijon/wasm-snake written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Its-ibijon/wasm-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c5fb4d40d40c91c296b2b566af74e92db25534cca57074e20ed4ec1da9cfc0
[INFO] running `Command { std: "docker" "start" "-a" "98c5fb4d40d40c91c296b2b566af74e92db25534cca57074e20ed4ec1da9cfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c5fb4d40d40c91c296b2b566af74e92db25534cca57074e20ed4ec1da9cfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c5fb4d40d40c91c296b2b566af74e92db25534cca57074e20ed4ec1da9cfc0", kill_on_drop: false }`
[INFO] [stdout] 98c5fb4d40d40c91c296b2b566af74e92db25534cca57074e20ed4ec1da9cfc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c915dc2c1d8d269bbe0c7a8397222ae46445345f9e3f73bc1f47e77c6c51530
[INFO] running `Command { std: "docker" "start" "-a" "9c915dc2c1d8d269bbe0c7a8397222ae46445345f9e3f73bc1f47e77c6c51530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]     Checking js-sys v0.3.58
[INFO] [stderr]     Checking web-sys v0.3.58
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wasm_bindgen::{prelude::*, JsCast, UnwrapThrowExt};
[INFO] [stdout]   |                    ----------          ^^^^^^^^^^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the item `UnwrapThrowExt` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wasm_bindgen::{prelude::*, JsCast, UnwrapThrowExt};
[INFO] [stdout]   |                    ----------          ^^^^^^^^^^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the item `UnwrapThrowExt` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9c915dc2c1d8d269bbe0c7a8397222ae46445345f9e3f73bc1f47e77c6c51530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c915dc2c1d8d269bbe0c7a8397222ae46445345f9e3f73bc1f47e77c6c51530", kill_on_drop: false }`
[INFO] [stdout] 9c915dc2c1d8d269bbe0c7a8397222ae46445345f9e3f73bc1f47e77c6c51530
[INFO] checking Its-ibijon/wasm-snake against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIts-ibijon%2Fwasm-snake" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  98% (441/449)
Updating files:  99% (445/449)
Updating files: 100% (449/449)
Updating files: 100% (449/449), done.
[INFO] validating manifest of git repo https://github.com/Its-ibijon/wasm-snake on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Its-ibijon/wasm-snake
[INFO] finished tweaking git repo https://github.com/Its-ibijon/wasm-snake
[INFO] tweaked toml for git repo https://github.com/Its-ibijon/wasm-snake written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Its-ibijon/wasm-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e482388c76ffb052e998fccc0c33c2649b0c6dd44d990d1a968f85b784482df
[INFO] running `Command { std: "docker" "start" "-a" "7e482388c76ffb052e998fccc0c33c2649b0c6dd44d990d1a968f85b784482df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e482388c76ffb052e998fccc0c33c2649b0c6dd44d990d1a968f85b784482df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e482388c76ffb052e998fccc0c33c2649b0c6dd44d990d1a968f85b784482df", kill_on_drop: false }`
[INFO] [stdout] 7e482388c76ffb052e998fccc0c33c2649b0c6dd44d990d1a968f85b784482df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 565387a49cda63ab0fae7947d01b34d50b5348f4f17294170082a47419f09010
[INFO] running `Command { std: "docker" "start" "-a" "565387a49cda63ab0fae7947d01b34d50b5348f4f17294170082a47419f09010", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.81
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.10.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.81
[INFO] [stderr]     Checking js-sys v0.3.58
[INFO] [stderr]     Checking web-sys v0.3.58
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wasm_bindgen::{prelude::*, JsCast, UnwrapThrowExt};
[INFO] [stdout]   |                    ----------          ^^^^^^^^^^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the item `UnwrapThrowExt` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wasm_bindgen::{prelude::*, JsCast, UnwrapThrowExt};
[INFO] [stdout]   |                    ----------          ^^^^^^^^^^^^^^
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the item `UnwrapThrowExt` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.81
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "565387a49cda63ab0fae7947d01b34d50b5348f4f17294170082a47419f09010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565387a49cda63ab0fae7947d01b34d50b5348f4f17294170082a47419f09010", kill_on_drop: false }`
[INFO] [stdout] 565387a49cda63ab0fae7947d01b34d50b5348f4f17294170082a47419f09010