[INFO] crate mantle-build 0.2.2 is already in cache
[INFO] checking mantle-build-0.2.2 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate mantle-build 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mantle-build 0.2.2 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mantle-build 0.2.2
[INFO] finished tweaking crates.io crate mantle-build 0.2.2
[INFO] tweaked toml for crates.io crate mantle-build 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mantle-build 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08bd6f9fe3ab9b19b7dd1c464f1be204b920da36b7db080d879d4a325e647b5b
[INFO] running `"docker" "start" "-a" "08bd6f9fe3ab9b19b7dd1c464f1be204b920da36b7db080d879d4a325e647b5b"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking wasmparser v0.30.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling regex v1.1.8
[INFO] [stderr]    Compiling compiletest_rs v0.3.22
[INFO] [stderr]     Checking blockchain-traits v0.2.0
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]     Checking libflate v0.1.25
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling walrus-macro v0.8.0
[INFO] [stderr]    Compiling default-env v0.1.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling mantle-macros v0.2.1
[INFO] [stderr]     Checking walrus v0.8.0
[INFO] [stderr]     Checking serde v1.0.94
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking mantle-types v0.2.0
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking mantle v0.2.0
[INFO] [stderr]     Checking mantle-rpc v0.1.1
[INFO] [stderr]     Checking rustfix v0.4.5
[INFO] [stderr] error[E0463]: can't find crate for `rustc`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.22/src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | extern crate rustc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `compiletest_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "08bd6f9fe3ab9b19b7dd1c464f1be204b920da36b7db080d879d4a325e647b5b"`
[INFO] running `"docker" "rm" "-f" "08bd6f9fe3ab9b19b7dd1c464f1be204b920da36b7db080d879d4a325e647b5b"`
[INFO] [stdout] 08bd6f9fe3ab9b19b7dd1c464f1be204b920da36b7db080d879d4a325e647b5b