[INFO] cloning repository https://github.com/unkso/titan-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unkso/titan-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funkso%2Ftitan-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funkso%2Ftitan-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f130b03b724d704c9fd3172e65485330d1b14fb4
[INFO] checking unkso/titan-app against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funkso%2Ftitan-app" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unkso/titan-app on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unkso/titan-app
[INFO] finished tweaking git repo https://github.com/unkso/titan-app
[INFO] tweaked toml for git repo https://github.com/unkso/titan-app written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/unkso/titan-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56a6fda572c02be686dc8a7822962fb458148e0c48f69e7723e5e0766fe7b8a4
[INFO] running `Command { std: "docker" "start" "-a" "56a6fda572c02be686dc8a7822962fb458148e0c48f69e7723e5e0766fe7b8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a6fda572c02be686dc8a7822962fb458148e0c48f69e7723e5e0766fe7b8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a6fda572c02be686dc8a7822962fb458148e0c48f69e7723e5e0766fe7b8a4", kill_on_drop: false }`
[INFO] [stdout] 56a6fda572c02be686dc8a7822962fb458148e0c48f69e7723e5e0766fe7b8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2278a81e98b59d21cec08ba5b0ef655388ce3aec94b03edc2d71dfbc36374c
[INFO] running `Command { std: "docker" "start" "-a" "bf2278a81e98b59d21cec08ba5b0ef655388ce3aec94b03edc2d71dfbc36374c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=6010a76e0b835f65 -C extra-filename=-6010a76e0b835f65 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.rmeta --cap-lints allow --cap-lints=forbid --cfg use_proc_macro --cfg wrap_proc_macro --cfg proc_macro_span` (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" "bf2278a81e98b59d21cec08ba5b0ef655388ce3aec94b03edc2d71dfbc36374c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2278a81e98b59d21cec08ba5b0ef655388ce3aec94b03edc2d71dfbc36374c", kill_on_drop: false }`
[INFO] [stdout] bf2278a81e98b59d21cec08ba5b0ef655388ce3aec94b03edc2d71dfbc36374c