[INFO] fetching crate rusty-cheddar 0.3.3...
[INFO] checking rusty-cheddar-0.3.3 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate rusty-cheddar 0.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rusty-cheddar 0.3.3 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-cheddar 0.3.3
[INFO] finished tweaking crates.io crate rusty-cheddar 0.3.3
[INFO] tweaked toml for crates.io crate rusty-cheddar 0.3.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc2c8b03fbfd4ac45d57f947b240b856ab5ee9e16365a8ee7fb10a48639fb2b8
[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" "bc2c8b03fbfd4ac45d57f947b240b856ab5ee9e16365a8ee7fb10a48639fb2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2c8b03fbfd4ac45d57f947b240b856ab5ee9e16365a8ee7fb10a48639fb2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2c8b03fbfd4ac45d57f947b240b856ab5ee9e16365a8ee7fb10a48639fb2b8", kill_on_drop: false }`
[INFO] [stdout] bc2c8b03fbfd4ac45d57f947b240b856ab5ee9e16365a8ee7fb10a48639fb2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a983d0454739cd68d5057a4516aa224059a7bbec85223592ee76591baea04b4
[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" "6a983d0454739cd68d5057a4516aa224059a7bbec85223592ee76591baea04b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking ansi_term v0.6.3
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking toml v0.1.30
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking clap v1.3.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking syntex_syntax v0.24.0
[INFO] [stdout] error: to use a constant of type `Span` in a pattern, `Span` must be annotated with `#[derive(PartialEq, Eq)]`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.24.0/src/errors/emitter.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Some(COMMAND_LINE_SP) => self.emit_(FileLine(COMMAND_LINE_SP), msg, code, lvl),
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6a983d0454739cd68d5057a4516aa224059a7bbec85223592ee76591baea04b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a983d0454739cd68d5057a4516aa224059a7bbec85223592ee76591baea04b4", kill_on_drop: false }`
[INFO] [stdout] 6a983d0454739cd68d5057a4516aa224059a7bbec85223592ee76591baea04b4