[INFO] cloning repository https://github.com/SoniaRaskolnikov/midi-key-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SoniaRaskolnikov/midi-key-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoniaRaskolnikov%2Fmidi-key-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoniaRaskolnikov%2Fmidi-key-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52b08bc90e8b9379dd89f1468ee7c49e8a779f33 [INFO] checking SoniaRaskolnikov/midi-key-interpreter against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoniaRaskolnikov%2Fmidi-key-interpreter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/SoniaRaskolnikov/midi-key-interpreter [INFO] finished tweaking git repo https://github.com/SoniaRaskolnikov/midi-key-interpreter [INFO] tweaked toml for git repo https://github.com/SoniaRaskolnikov/midi-key-interpreter written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SoniaRaskolnikov/midi-key-interpreter on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/SoniaRaskolnikov/midi-key-interpreter 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9ec742b8f51c1fa5dbc983a009431e66072283d08f8e102d5375ea909b6d3ce [INFO] running `Command { std: "docker" "start" "-a" "c9ec742b8f51c1fa5dbc983a009431e66072283d08f8e102d5375ea909b6d3ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9ec742b8f51c1fa5dbc983a009431e66072283d08f8e102d5375ea909b6d3ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9ec742b8f51c1fa5dbc983a009431e66072283d08f8e102d5375ea909b6d3ce", kill_on_drop: false }` [INFO] [stdout] c9ec742b8f51c1fa5dbc983a009431e66072283d08f8e102d5375ea909b6d3ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70664e57bb62dcdab753e10c2a520bef99d27ed71bfe271df7ef98d1e24c17b6 [INFO] running `Command { std: "docker" "start" "-a" "70664e57bb62dcdab753e10c2a520bef99d27ed71bfe271df7ef98d1e24c17b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling input-sys v1.17.0 [INFO] [stderr] Checking ioctl-sys v0.5.2 [INFO] [stderr] Checking enum_derive v0.1.7 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking bimap v0.6.3 [INFO] [stderr] Compiling x11 v2.21.0 [INFO] [stderr] Compiling enigo v0.1.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking libudev-sys v0.1.4 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking alsa-sys v0.3.1 [INFO] [stderr] Checking uinput-sys v0.1.7 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking udev v0.6.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking input v0.6.0 [INFO] [stderr] Checking alsa v0.7.0 [INFO] [stderr] Checking midir v0.9.1 [INFO] [stderr] Checking uinput v0.1.3 [INFO] [stderr] Checking inputbot v0.5.1 [INFO] [stderr] Checking midi-key-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: ControlFlow, String> [INFO] [stdout] --> src/main.rs:74:20 [INFO] [stdout] | [INFO] [stdout] 74 | layout_input = layout_input.trim().parse()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:74:20 [INFO] [stdout] | [INFO] [stdout] 74 | layout_input = layout_input.trim().parse()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `midi-key-interpreter` (bin "midi-key-interpreter") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: ControlFlow, String> [INFO] [stdout] --> src/main.rs:74:20 [INFO] [stdout] | [INFO] [stdout] 74 | layout_input = layout_input.trim().parse()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:74:20 [INFO] [stdout] | [INFO] [stdout] 74 | layout_input = layout_input.trim().parse()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `midi-key-interpreter` (bin "midi-key-interpreter" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "70664e57bb62dcdab753e10c2a520bef99d27ed71bfe271df7ef98d1e24c17b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70664e57bb62dcdab753e10c2a520bef99d27ed71bfe271df7ef98d1e24c17b6", kill_on_drop: false }` [INFO] [stdout] 70664e57bb62dcdab753e10c2a520bef99d27ed71bfe271df7ef98d1e24c17b6