[INFO] cloning repository https://github.com/mrcosta/repl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrcosta/repl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrcosta%2Frepl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrcosta%2Frepl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcdb99997da75d788e3e6d12a64870c10ba8f7ab
[INFO] checking mrcosta/repl against try#ea2bf32540662c61547071aad6cf0851a0b02f58 for pr-96376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrcosta%2Frepl" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrcosta/repl on toolchain ea2bf32540662c61547071aad6cf0851a0b02f58
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrcosta/repl
[INFO] finished tweaking git repo https://github.com/mrcosta/repl
[INFO] tweaked toml for git repo https://github.com/mrcosta/repl written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/mrcosta/repl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d8a37f1dd81f1b56a5ff2ba74fba6acee419efb22a7e05f3d572e4235f9a5d8
[INFO] running `Command { std: "docker" "start" "-a" "5d8a37f1dd81f1b56a5ff2ba74fba6acee419efb22a7e05f3d572e4235f9a5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8a37f1dd81f1b56a5ff2ba74fba6acee419efb22a7e05f3d572e4235f9a5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8a37f1dd81f1b56a5ff2ba74fba6acee419efb22a7e05f3d572e4235f9a5d8", kill_on_drop: false }`
[INFO] [stdout] 5d8a37f1dd81f1b56a5ff2ba74fba6acee419efb22a7e05f3d572e4235f9a5d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+ea2bf32540662c61547071aad6cf0851a0b02f58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a42098ad89d264e65666068a1c8f6b6a574aa071a500ef841becf824788413
[INFO] running `Command { std: "docker" "start" "-a" "52a42098ad89d264e65666068a1c8f6b6a574aa071a500ef841becf824788413", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.72/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=b31d09ad17abb80c -C extra-filename=-b31d09ad17abb80c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1ca73c2ae68d1778.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-daf4ad1f1525b527.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52a42098ad89d264e65666068a1c8f6b6a574aa071a500ef841becf824788413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a42098ad89d264e65666068a1c8f6b6a574aa071a500ef841becf824788413", kill_on_drop: false }`
[INFO] [stdout] 52a42098ad89d264e65666068a1c8f6b6a574aa071a500ef841becf824788413