[INFO] cloning repository https://github.com/niclashoyer/embedded-hal-vcd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niclashoyer/embedded-hal-vcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniclashoyer%2Fembedded-hal-vcd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniclashoyer%2Fembedded-hal-vcd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 05abcb8f90cabfc911f1cf13016ee4824b2070e3 [INFO] checking niclashoyer/embedded-hal-vcd 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%2Fniclashoyer%2Fembedded-hal-vcd" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/niclashoyer/embedded-hal-vcd [INFO] finished tweaking git repo https://github.com/niclashoyer/embedded-hal-vcd [INFO] tweaked toml for git repo https://github.com/niclashoyer/embedded-hal-vcd written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/niclashoyer/embedded-hal-vcd 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/niclashoyer/embedded-hal-vcd 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Adding embedded-hal-sync-pins v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 15adafcf03c721bf7edae17786fd96c7b8f79c7c8de6aa9ad8c8be975c73ac21 [INFO] running `Command { std: "docker" "start" "-a" "15adafcf03c721bf7edae17786fd96c7b8f79c7c8de6aa9ad8c8be975c73ac21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15adafcf03c721bf7edae17786fd96c7b8f79c7c8de6aa9ad8c8be975c73ac21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15adafcf03c721bf7edae17786fd96c7b8f79c7c8de6aa9ad8c8be975c73ac21", kill_on_drop: false }` [INFO] [stdout] 15adafcf03c721bf7edae17786fd96c7b8f79c7c8de6aa9ad8c8be975c73ac21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aec66519afaa25b797eb06c7baf676d09e8d55e346454a255a7135ab0832aa7a [INFO] running `Command { std: "docker" "start" "-a" "aec66519afaa25b797eb06c7baf676d09e8d55e346454a255a7135ab0832aa7a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking vcd v0.6.1 [INFO] [stderr] Checking embedded-hal v1.0.0-alpha.9 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking synchronized-writer v1.1.10 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking pretty_assertions v1.0.0 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking embedded-time v0.12.1 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking embedded-hal-sync-pins v0.7.0 [INFO] [stderr] Checking embedded-hal-vcd v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq` [INFO] [stdout] --> src/writer.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | use pretty_assertions::assert_eq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/reader.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | pin.is_high(), [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/reader.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | Ok(state_pin), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/reader.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | / assert_eq!( [INFO] [stdout] 147 | | pin.is_high(), [INFO] [stdout] 148 | | Ok(state_pin), [INFO] [stdout] 149 | | "testing pin state at timestamp {}", [INFO] [stdout] 150 | | vcd_time [INFO] [stdout] 151 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/reader.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | / assert_eq!( [INFO] [stdout] 147 | | pin.is_high(), [INFO] [stdout] 148 | | Ok(state_pin), [INFO] [stdout] 149 | | "testing pin state at timestamp {}", [INFO] [stdout] 150 | | vcd_time [INFO] [stdout] 151 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/reader.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | / assert_eq!( [INFO] [stdout] 147 | | pin.is_high(), [INFO] [stdout] 148 | | Ok(state_pin), [INFO] [stdout] 149 | | "testing pin state at timestamp {}", [INFO] [stdout] 150 | | vcd_time [INFO] [stdout] 151 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/reader.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | / assert_eq!( [INFO] [stdout] 147 | | pin.is_high(), [INFO] [stdout] 148 | | Ok(state_pin), [INFO] [stdout] 149 | | "testing pin state at timestamp {}", [INFO] [stdout] 150 | | vcd_time [INFO] [stdout] 151 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/in_out.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | if in_pin.is_high().unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `embedded-hal-vcd` (example "in_out") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `embedded-hal-vcd` (lib test) due to 6 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "aec66519afaa25b797eb06c7baf676d09e8d55e346454a255a7135ab0832aa7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aec66519afaa25b797eb06c7baf676d09e8d55e346454a255a7135ab0832aa7a", kill_on_drop: false }` [INFO] [stdout] aec66519afaa25b797eb06c7baf676d09e8d55e346454a255a7135ab0832aa7a