[INFO] fetching crate backtrace 0.3.37...
[INFO] checking backtrace-0.3.37 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate backtrace 0.3.37 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate backtrace 0.3.37 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate backtrace 0.3.37
[INFO] removed 2 missing examples
[INFO] removed 5 missing tests
[INFO] finished tweaking crates.io crate backtrace 0.3.37
[INFO] tweaked toml for crates.io crate backtrace 0.3.37 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate backtrace 0.3.37 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] ef5e74b5d14a08417a5964a40a8666b682135c4c6ad43220917dfe7e3dcb78f2
[INFO] running `"docker" "start" "-a" "ef5e74b5d14a08417a5964a40a8666b682135c4c6ad43220917dfe7e3dcb78f2"`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `"docker" "inspect" "ef5e74b5d14a08417a5964a40a8666b682135c4c6ad43220917dfe7e3dcb78f2"`
[INFO] running `"docker" "rm" "-f" "ef5e74b5d14a08417a5964a40a8666b682135c4c6ad43220917dfe7e3dcb78f2"`
[INFO] [stdout] ef5e74b5d14a08417a5964a40a8666b682135c4c6ad43220917dfe7e3dcb78f2