[INFO] updating cached repository https://github.com/colbyn/web-images-js
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b766b8bdfccb2c429832e461d2be680b61966c9
[INFO] checking colbyn/web-images-js against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyn%2Fweb-images-js" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colbyn/web-images-js on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/colbyn/web-images-js
[INFO] finished tweaking git repo https://github.com/colbyn/web-images-js
[INFO] tweaked toml for git repo https://github.com/colbyn/web-images-js written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/colbyn/web-images-js already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1a399c10897767c36d147199696c96f193034e49" "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] 412e3a43fb37d4f3f3feff71a3340689d4bf09203151cf51f8a92d136218647e
[INFO] running `"docker" "start" "-a" "412e3a43fb37d4f3f3feff71a3340689d4bf09203151cf51f8a92d136218647e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `num-iter`.
[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: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linker `x86_64-linux-musl-gcc` not found
[INFO] [stderr]   |
[INFO] [stderr]   = note: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "412e3a43fb37d4f3f3feff71a3340689d4bf09203151cf51f8a92d136218647e"`
[INFO] running `"docker" "rm" "-f" "412e3a43fb37d4f3f3feff71a3340689d4bf09203151cf51f8a92d136218647e"`
[INFO] [stdout] 412e3a43fb37d4f3f3feff71a3340689d4bf09203151cf51f8a92d136218647e