[INFO] cloning repository https://github.com/tetcoin/cargo-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcoin/cargo-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fcargo-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fcargo-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9e078c031508d03195992c2dd069deb31657ce5
[INFO] checking tetcoin/cargo-contract against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin%2Fcargo-contract" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcoin/cargo-contract on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcoin/cargo-contract
[INFO] finished tweaking git repo https://github.com/tetcoin/cargo-contract
[INFO] tweaked toml for git repo https://github.com/tetcoin/cargo-contract written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcoin/cargo-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-wasm v0.42.1
[INFO] [stderr]   Downloaded pwasm-utils v0.17.0
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded binaryen-sys v0.12.0
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded binaryen v0.12.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0775405c860312435bb991a3398f913fb4b68b005c688171c34a891ee22b7926
[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" "0775405c860312435bb991a3398f913fb4b68b005c688171c34a891ee22b7926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0775405c860312435bb991a3398f913fb4b68b005c688171c34a891ee22b7926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0775405c860312435bb991a3398f913fb4b68b005c688171c34a891ee22b7926", kill_on_drop: false }`
[INFO] [stdout] 0775405c860312435bb991a3398f913fb4b68b005c688171c34a891ee22b7926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39893f4ce5bb4d4d7aadb622a72267f56ec4f3f07b5a684a4fa8e719c0f3341
[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" "c39893f4ce5bb4d4d7aadb622a72267f56ec4f3f07b5a684a4fa8e719c0f3341", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking parity-wasm v0.42.1
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking bitvec v0.20.1
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking pwasm-utils v0.17.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling binaryen-sys v0.12.0
[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-1.0.60/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=2f31c5d35a951c7e -C extra-filename=-2f31c5d35a951c7e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-65304f056af28667.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --cap-lints allow --cap-lints=forbid` (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" "c39893f4ce5bb4d4d7aadb622a72267f56ec4f3f07b5a684a4fa8e719c0f3341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39893f4ce5bb4d4d7aadb622a72267f56ec4f3f07b5a684a4fa8e719c0f3341", kill_on_drop: false }`
[INFO] [stdout] c39893f4ce5bb4d4d7aadb622a72267f56ec4f3f07b5a684a4fa8e719c0f3341