[INFO] updating cached repository https://github.com/monkslc/hyperpolyglot
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfb31d506ce10e3580ea901bb7fae26d457f58a3
[INFO] checking monkslc/hyperpolyglot against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonkslc%2Fhyperpolyglot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/monkslc/hyperpolyglot on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/monkslc/hyperpolyglot
[INFO] removed workspace from git repo https://github.com/monkslc/hyperpolyglot
[INFO] removed path dependency polyglot_tokenizer from git repo https://github.com/monkslc/hyperpolyglot
[INFO] finished tweaking git repo https://github.com/monkslc/hyperpolyglot
[INFO] tweaked toml for git repo https://github.com/monkslc/hyperpolyglot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/monkslc/hyperpolyglot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3685bf9c04cd233b2d75fc17b3423818c7857180a90ad6416611ad8397d7a5f4
[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" "3685bf9c04cd233b2d75fc17b3423818c7857180a90ad6416611ad8397d7a5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3685bf9c04cd233b2d75fc17b3423818c7857180a90ad6416611ad8397d7a5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3685bf9c04cd233b2d75fc17b3423818c7857180a90ad6416611ad8397d7a5f4", kill_on_drop: false }`
[INFO] [stdout] 3685bf9c04cd233b2d75fc17b3423818c7857180a90ad6416611ad8397d7a5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8836ba6a72fbb58203ab9bd6deca732f6dfa695329acc8399efa2694b1a822e
[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" "a8836ba6a72fbb58203ab9bd6deca732f6dfa695329acc8399efa2694b1a822e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking polyglot_tokenizer v0.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling pcre2-sys v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pcre2 v0.2.3
[INFO] [stderr]     Checking phf_generator v0.8.0
[INFO] [stderr]     Checking phf_codegen v0.8.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking hyperpolyglot v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `hyperpolyglot`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hyperpolyglot --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=c4a0fea2ee453c75 -C extra-filename=-c4a0fea2ee453c75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-36f79231fa2f46a7.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-088475782ff8dfa7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-38b91ae2ace6519a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-661454dceb487975.rmeta --extern pcre2=/opt/rustwide/target/debug/deps/libpcre2-71b44582ebe9ee62.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-e67975f1b76f3dec.rmeta --extern phf_codegen=/opt/rustwide/target/debug/deps/libphf_codegen-d6290f5af98181f8.rmeta --extern polyglot_tokenizer=/opt/rustwide/target/debug/deps/libpolyglot_tokenizer-5bfe32b3471f6aab.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-455fc72cc5e448d5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c265157d0b98610b.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-bcfbb246a62743cc.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-0cd12a91564de486.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a8836ba6a72fbb58203ab9bd6deca732f6dfa695329acc8399efa2694b1a822e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8836ba6a72fbb58203ab9bd6deca732f6dfa695329acc8399efa2694b1a822e", kill_on_drop: false }`
[INFO] [stdout] a8836ba6a72fbb58203ab9bd6deca732f6dfa695329acc8399efa2694b1a822e