[INFO] fetching crate ergo-lib-c-core 0.10.0...
[INFO] checking ergo-lib-c-core-0.10.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate ergo-lib-c-core 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ergo-lib-c-core 0.10.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-lib-c-core 0.10.0
[INFO] finished tweaking crates.io crate ergo-lib-c-core 0.10.0
[INFO] tweaked toml for crates.io crate ergo-lib-c-core 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53bb88495dde235ced52858b64bf5339cd090535bd7155b56fef251a0b8a332
[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" "d53bb88495dde235ced52858b64bf5339cd090535bd7155b56fef251a0b8a332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53bb88495dde235ced52858b64bf5339cd090535bd7155b56fef251a0b8a332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53bb88495dde235ced52858b64bf5339cd090535bd7155b56fef251a0b8a332", kill_on_drop: false }`
[INFO] [stdout] d53bb88495dde235ced52858b64bf5339cd090535bd7155b56fef251a0b8a332
[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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f1e8bca1f585315da48282fc7c24c44f04c21797cdfe8b8b7523428cd3d0e4
[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" "72f1e8bca1f585315da48282fc7c24c44f04c21797cdfe8b8b7523428cd3d0e4", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking elliptic-curve v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking k256 v0.4.2
[INFO] [stderr]     Checking ergotree-ir v0.10.0
[INFO] [stdout] error[E0277]: the trait bound `R: sigma_ser::peekable_reader::Peekable` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ergotree-ir-0.10.0/src/serialization/sigma_byte_reader.rs:68:26
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub trait SigmaByteRead: ReadSigmaVlqExt {
[INFO] [stdout]    |                          --------------- required by this bound in `SigmaByteRead`
[INFO] [stdout] ...
[INFO] [stdout] 68 | impl<R: ReadSigmaVlqExt> SigmaByteRead for SigmaByteReader<R> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^ the trait `sigma_ser::peekable_reader::Peekable` is not implemented for `R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::io::Read` for `SigmaByteReader<R>`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl<R: ReadSigmaVlqExt + sigma_ser::peekable_reader::Peekable> SigmaByteRead for SigmaByteReader<R> {
[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 `ergotree-ir`
[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" "72f1e8bca1f585315da48282fc7c24c44f04c21797cdfe8b8b7523428cd3d0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f1e8bca1f585315da48282fc7c24c44f04c21797cdfe8b8b7523428cd3d0e4", kill_on_drop: false }`
[INFO] [stdout] 72f1e8bca1f585315da48282fc7c24c44f04c21797cdfe8b8b7523428cd3d0e4