[INFO] fetching crate evdi 0.7.2... [INFO] checking evdi-0.7.2 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] extracting crate evdi 0.7.2 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate evdi 0.7.2 on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate evdi 0.7.2 [INFO] finished tweaking crates.io crate evdi 0.7.2 [INFO] tweaked toml for crates.io crate evdi 0.7.2 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate evdi 0.7.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c931b355d5cc8faa5365e51a8067d4958db49924034dc5635d84d063bd7deed [INFO] running `Command { std: "docker" "start" "-a" "2c931b355d5cc8faa5365e51a8067d4958db49924034dc5635d84d063bd7deed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c931b355d5cc8faa5365e51a8067d4958db49924034dc5635d84d063bd7deed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c931b355d5cc8faa5365e51a8067d4958db49924034dc5635d84d063bd7deed", kill_on_drop: false }` [INFO] [stdout] 2c931b355d5cc8faa5365e51a8067d4958db49924034dc5635d84d063bd7deed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce2bae44bdf299262a1f6d759ea9aafd2d9af9f56d4e551e94706ec354e7aba0 [INFO] running `Command { std: "docker" "start" "-a" "ce2bae44bdf299262a1f6d759ea9aafd2d9af9f56d4e551e94706ec354e7aba0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.6 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling drm-fourcc v1.3.3 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling anyhow v1.0.39 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking use v0.0.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking ryu v1.0.5 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Option`s in a function that returns `Option` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drm-fourcc-1.3.3/src/lib.rs:127:89 [INFO] [stdout] | [INFO] [stdout] 126 | / fn fourcc_string_form(fourcc: u32) -> Option { [INFO] [stdout] 127 | | let string = String::from_utf8(fourcc.to_le_bytes().to_vec()).map_err(|_| NoneError)?; [INFO] [stdout] | | ^ this `?` produces `Result`, which is incompatible with `Option` [INFO] [stdout] 128 | | [INFO] [stdout] 129 | | let mut out = String::new(); [INFO] [stdout] ... | [INFO] [stdout] 151 | | Some(out) [INFO] [stdout] 152 | | } [INFO] [stdout] | |_- this function returns an `Option` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Option` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drm-fourcc` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ce2bae44bdf299262a1f6d759ea9aafd2d9af9f56d4e551e94706ec354e7aba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce2bae44bdf299262a1f6d759ea9aafd2d9af9f56d4e551e94706ec354e7aba0", kill_on_drop: false }` [INFO] [stdout] ce2bae44bdf299262a1f6d759ea9aafd2d9af9f56d4e551e94706ec354e7aba0