[INFO] cloning repository https://github.com/jimblandy/fxsnapshot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/fxsnapshot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c7eceaa6943fecf213e0ac89e9c5c329038792a
[INFO] checking jimblandy/fxsnapshot against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/fxsnapshot on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimblandy/fxsnapshot
[INFO] finished tweaking git repo https://github.com/jimblandy/fxsnapshot
[INFO] tweaked toml for git repo https://github.com/jimblandy/fxsnapshot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jimblandy/fxsnapshot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdc99d31b1122057c0352374593fbf6bc88737bf1e8f1b52d8194dbbb7af65b9
[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" "fdc99d31b1122057c0352374593fbf6bc88737bf1e8f1b52d8194dbbb7af65b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc99d31b1122057c0352374593fbf6bc88737bf1e8f1b52d8194dbbb7af65b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc99d31b1122057c0352374593fbf6bc88737bf1e8f1b52d8194dbbb7af65b9", kill_on_drop: false }`
[INFO] [stdout] fdc99d31b1122057c0352374593fbf6bc88737bf1e8f1b52d8194dbbb7af65b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63cfa3e0fbb43caddeb73cf57860acf2245b6a5ecf9cbbf8568202d8446badb9
[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" "63cfa3e0fbb43caddeb73cf57860acf2245b6a5ecf9cbbf8568202d8446badb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling termcolor v1.0.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0 (https://github.com/sfackler/rust-fallible-iterator.git?rev=11ea3bf0e6ad2bc4f4fe220d6c3332942e5dfa35#11ea3bf0)
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling ena v0.9.3
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling lalrpop-snap v0.16.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling pb-rs v0.5.0
[INFO] [stderr]     Checking quick-protobuf v0.6.3
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr] error: could not compile `lalrpop-snap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name lalrpop_snap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-snap-0.16.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3e9543621a5ccd80 -C extra-filename=-3e9543621a5ccd80 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ascii_canvas=/opt/rustwide/target/debug/deps/libascii_canvas-17ef8ff2131a7c43.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-619df8bb89d3fd39.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-8c7d8bfe9f9a9860.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-8e053cb8ca3cb2e2.rmeta --extern ena=/opt/rustwide/target/debug/deps/libena-bc4a71e81efde682.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-750e921eebcf50fd.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-d53d6d467c2e193b.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-ab5589e671121106.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f6bf34b397db7a43.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-e25e1aa1e96ef403.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-c743801f9eb1ad71.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-5987de33cf4cc5da.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5ef45b28e7fc52f2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "63cfa3e0fbb43caddeb73cf57860acf2245b6a5ecf9cbbf8568202d8446badb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cfa3e0fbb43caddeb73cf57860acf2245b6a5ecf9cbbf8568202d8446badb9", kill_on_drop: false }`
[INFO] [stdout] 63cfa3e0fbb43caddeb73cf57860acf2245b6a5ecf9cbbf8568202d8446badb9