[INFO] fetching crate pcomb 0.1.0...
[INFO] checking pcomb-0.1.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate pcomb 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pcomb 0.1.0 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 pcomb 0.1.0
[INFO] finished tweaking crates.io crate pcomb 0.1.0
[INFO] tweaked toml for crates.io crate pcomb 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7ef9f47f4f386e8904f4787330efc2b16a91928a44159ab7e59099dd6331f04
[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" "a7ef9f47f4f386e8904f4787330efc2b16a91928a44159ab7e59099dd6331f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ef9f47f4f386e8904f4787330efc2b16a91928a44159ab7e59099dd6331f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ef9f47f4f386e8904f4787330efc2b16a91928a44159ab7e59099dd6331f04", kill_on_drop: false }`
[INFO] [stdout] a7ef9f47f4f386e8904f4787330efc2b16a91928a44159ab7e59099dd6331f04
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c3b03e19a125dfd635956c108e018a3cd5f58b9c7db3ae2f682b8d40b31cf2
[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" "48c3b03e19a125dfd635956c108e018a3cd5f58b9c7db3ae2f682b8d40b31cf2", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking pcomb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the `or` method cannot be invoked on a trait object
[INFO] [stdout]   --> src/test.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |     parser = parser.or(Match(&i.to_string()));
[INFO] [stdout]    |                     ^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/str.rs:38:65
[INFO] [stdout]    |
[INFO] [stdout] 38 |   where O: Parse<Output = Self::Output, Err = Self::Err>, Self: Sized {
[INFO] [stdout]    |                                                                 ----- this has a `Sized` requirement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `fuse` method cannot be invoked on a trait object
[INFO] [stdout]    --> src/test.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |     parser = parser.fuse(Match(&i.to_string()));
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/str.rs:46:11
[INFO] [stdout]     |
[INFO] [stdout] 46  |     Self: Sized,
[INFO] [stdout]     |           ----- this has a `Sized` requirement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pcomb`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "48c3b03e19a125dfd635956c108e018a3cd5f58b9c7db3ae2f682b8d40b31cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c3b03e19a125dfd635956c108e018a3cd5f58b9c7db3ae2f682b8d40b31cf2", kill_on_drop: false }`
[INFO] [stdout] 48c3b03e19a125dfd635956c108e018a3cd5f58b9c7db3ae2f682b8d40b31cf2