[INFO] fetching crate evdi 0.7.2... [INFO] testing evdi-0.7.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate evdi 0.7.2 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate evdi 0.7.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-flame v0.1.0 [INFO] [stderr] Downloaded evdi-sys v0.3.1 [INFO] [stderr] Downloaded tokio-test v0.4.1 [INFO] [stderr] Downloaded use v0.0.0 [INFO] [stderr] Downloaded drm-fourcc v1.3.3 [INFO] [stderr] Downloaded logtest v2.0.0 [INFO] [stderr] Downloaded anyhow v1.0.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc14eb4e7e4049c134f40b4f8f9b9eb36661a2df15c07860bafa8faba088723c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cc14eb4e7e4049c134f40b4f8f9b9eb36661a2df15c07860bafa8faba088723c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc14eb4e7e4049c134f40b4f8f9b9eb36661a2df15c07860bafa8faba088723c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc14eb4e7e4049c134f40b4f8f9b9eb36661a2df15c07860bafa8faba088723c", kill_on_drop: false }` [INFO] [stdout] cc14eb4e7e4049c134f40b4f8f9b9eb36661a2df15c07860bafa8faba088723c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1373d9cc39a3f0cce5cba4880796457a84a65394e89bfaf302a3413c1ff208cf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1373d9cc39a3f0cce5cba4880796457a84a65394e89bfaf302a3413c1ff208cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling cfg-if v1.0.0 [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 lazy_static v1.4.0 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling drm-fourcc v1.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] error: could not compile `drm-fourcc` [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] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1373d9cc39a3f0cce5cba4880796457a84a65394e89bfaf302a3413c1ff208cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1373d9cc39a3f0cce5cba4880796457a84a65394e89bfaf302a3413c1ff208cf", kill_on_drop: false }` [INFO] [stdout] 1373d9cc39a3f0cce5cba4880796457a84a65394e89bfaf302a3413c1ff208cf