[INFO] cloning repository https://github.com/wcr490/screen_embassy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wcr490/screen_embassy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcr490%2Fscreen_embassy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcr490%2Fscreen_embassy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10af24fc7ca225b6698136128947dbc9261a16bd
[INFO] building wcr490/screen_embassy against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcr490%2Fscreen_embassy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wcr490/screen_embassy
[INFO] finished tweaking git repo https://github.com/wcr490/screen_embassy
[INFO] tweaked toml for git repo https://github.com/wcr490/screen_embassy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wcr490/screen_embassy on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wcr490/screen_embassy 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e9f8ace334c5505380c778342c2ab8fdf2ae2f4d5c9fb2ca8273a4c3f85461
[INFO] running `Command { std: "docker" "start" "-a" "00e9f8ace334c5505380c778342c2ab8fdf2ae2f4d5c9fb2ca8273a4c3f85461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e9f8ace334c5505380c778342c2ab8fdf2ae2f4d5c9fb2ca8273a4c3f85461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e9f8ace334c5505380c778342c2ab8fdf2ae2f4d5c9fb2ca8273a4c3f85461", kill_on_drop: false }`
[INFO] [stdout] 00e9f8ace334c5505380c778342c2ab8fdf2ae2f4d5c9fb2ca8273a4c3f85461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 5d80142782653353e4e0f91c7a1ced584298d77e114f6fa5250f32cac8fd87db
[INFO] running `Command { std: "docker" "start" "-a" "5d80142782653353e4e0f91c7a1ced584298d77e114f6fa5250f32cac8fd87db", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling screen_embassy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]    --> src/ssd1306.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |             buf[x_index] |= 1 << index_in_page;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]    --> src/ssd1306.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             buf[x_index] |= 1 << index_in_page;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5d80142782653353e4e0f91c7a1ced584298d77e114f6fa5250f32cac8fd87db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d80142782653353e4e0f91c7a1ced584298d77e114f6fa5250f32cac8fd87db", kill_on_drop: false }`
[INFO] [stdout] 5d80142782653353e4e0f91c7a1ced584298d77e114f6fa5250f32cac8fd87db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 2fed3b21bef17baddc37e06e5e5327a8279ef344f26fc7ebda08ecd5280514d4
[INFO] running `Command { std: "docker" "start" "-a" "2fed3b21bef17baddc37e06e5e5327a8279ef344f26fc7ebda08ecd5280514d4", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]    --> src/ssd1306.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |             buf[x_index] |= 1 << index_in_page;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]    --> src/ssd1306.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             buf[x_index] |= 1 << index_in_page;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling screen_embassy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]    --> src/ssd1306.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |             buf[x_index] |= 1 << index_in_page;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `buf` is never read
[INFO] [stdout]    --> src/ssd1306.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             buf[x_index] |= 1 << index_in_page;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2fed3b21bef17baddc37e06e5e5327a8279ef344f26fc7ebda08ecd5280514d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fed3b21bef17baddc37e06e5e5327a8279ef344f26fc7ebda08ecd5280514d4", kill_on_drop: false }`
[INFO] [stdout] 2fed3b21bef17baddc37e06e5e5327a8279ef344f26fc7ebda08ecd5280514d4