[INFO] fetching crate seax_scheme 0.3.0...
[INFO] testing seax_scheme-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate seax_scheme 0.3.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate seax_scheme 0.3.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seax_scheme 0.3.0
[INFO] finished tweaking crates.io crate seax_scheme 0.3.0
[INFO] tweaked toml for crates.io crate seax_scheme 0.3.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a74f8864335cd5ab1f216c7a98a283991d44ba3ab58c8123eee0a9c6b2d1efc5
[INFO] running `Command { std: "docker" "start" "-a" "a74f8864335cd5ab1f216c7a98a283991d44ba3ab58c8123eee0a9c6b2d1efc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74f8864335cd5ab1f216c7a98a283991d44ba3ab58c8123eee0a9c6b2d1efc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74f8864335cd5ab1f216c7a98a283991d44ba3ab58c8123eee0a9c6b2d1efc5", kill_on_drop: false }`
[INFO] [stdout] a74f8864335cd5ab1f216c7a98a283991d44ba3ab58c8123eee0a9c6b2d1efc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2622cb5167b7f97c0718ce30bf240c0e293e7a2d5365a683128ed2e23e101c
[INFO] running `Command { std: "docker" "start" "-a" "ab2622cb5167b7f97c0718ce30bf240c0e293e7a2d5365a683128ed2e23e101c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling parser-combinators v0.2.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling seax_svm v0.2.8
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/seax_svm-0.2.8/src/slist.rs:41:32
[INFO] [stdout]     |
[INFO] [stdout] 41  |     fn pop(self)            -> Option<(T, Self)>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because it appears within the type `(T, Self)`
[INFO] [stdout] note: required by a bound in `Option`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 41  |     fn pop(self)            -> Option<(T, Self)> where Self: Sized;
[INFO] [stdout]     |                                                  +++++++++++++++++
[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 `seax_svm` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab2622cb5167b7f97c0718ce30bf240c0e293e7a2d5365a683128ed2e23e101c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2622cb5167b7f97c0718ce30bf240c0e293e7a2d5365a683128ed2e23e101c", kill_on_drop: false }`
[INFO] [stdout] ab2622cb5167b7f97c0718ce30bf240c0e293e7a2d5365a683128ed2e23e101c