[INFO] cloning repository https://github.com/teymour-aldridge/sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teymour-aldridge/sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteymour-aldridge%2Fsim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteymour-aldridge%2Fsim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7376eb1e3b89efc3d4852a838746a0329676e84f
[INFO] checking teymour-aldridge/sim against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteymour-aldridge%2Fsim" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teymour-aldridge/sim on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/teymour-aldridge/sim
[INFO] finished tweaking git repo https://github.com/teymour-aldridge/sim
[INFO] tweaked toml for git repo https://github.com/teymour-aldridge/sim written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/teymour-aldridge/sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3837577b4a5fe086a62f64d155289d52f85514ab32977b27558680bb13f8a650
[INFO] running `Command { std: "docker" "start" "-a" "3837577b4a5fe086a62f64d155289d52f85514ab32977b27558680bb13f8a650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3837577b4a5fe086a62f64d155289d52f85514ab32977b27558680bb13f8a650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3837577b4a5fe086a62f64d155289d52f85514ab32977b27558680bb13f8a650", kill_on_drop: false }`
[INFO] [stdout] 3837577b4a5fe086a62f64d155289d52f85514ab32977b27558680bb13f8a650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c769796fbfafe9d3a3bd4eebbd0869693a3edc0925f6a18441db51ae03a6862
[INFO] running `Command { std: "docker" "start" "-a" "4c769796fbfafe9d3a3bd4eebbd0869693a3edc0925f6a18441db51ae03a6862", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling wasmtime-cache v0.28.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling wasi-common v0.28.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling wasmtime-wasi v0.28.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking wasm_agent v0.1.0 (/opt/rustwide/workdir/wasm_agent)
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking wast v36.0.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking cpp_demangle v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling io-lifetimes v0.1.1
[INFO] [stderr]    Compiling system-interface v0.6.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling unsafe-io v0.6.12
[INFO] [stderr]    Compiling cap-primitives v0.13.10
[INFO] [stderr]    Compiling cap-std v0.13.10
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling cap-fs-ext v0.13.10
[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-1.0.74/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="extra-traits"' --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=7c8a09896a0f22e4 -C extra-filename=-7c8a09896a0f22e4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72dd94e62781faf3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-754b571958ad5368.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.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" "4c769796fbfafe9d3a3bd4eebbd0869693a3edc0925f6a18441db51ae03a6862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c769796fbfafe9d3a3bd4eebbd0869693a3edc0925f6a18441db51ae03a6862", kill_on_drop: false }`
[INFO] [stdout] 4c769796fbfafe9d3a3bd4eebbd0869693a3edc0925f6a18441db51ae03a6862