[INFO] cloning repository https://github.com/cthwaite/jadis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cthwaite/jadis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthwaite%2Fjadis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthwaite%2Fjadis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 440b781057f397e11c6e9f6d6942dc8593e7d7e5
[INFO] testing cthwaite/jadis against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthwaite%2Fjadis" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cthwaite/jadis on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cthwaite/jadis
[INFO] finished tweaking git repo https://github.com/cthwaite/jadis
[INFO] tweaked toml for git repo https://github.com/cthwaite/jadis written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cthwaite/jadis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e0c072432c6ede0cc3a35519626db495c33dbf39fd41f1ac5f09e7e8ac25b89
[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" "2e0c072432c6ede0cc3a35519626db495c33dbf39fd41f1ac5f09e7e8ac25b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e0c072432c6ede0cc3a35519626db495c33dbf39fd41f1ac5f09e7e8ac25b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0c072432c6ede0cc3a35519626db495c33dbf39fd41f1ac5f09e7e8ac25b89", kill_on_drop: false }`
[INFO] [stdout] 2e0c072432c6ede0cc3a35519626db495c33dbf39fd41f1ac5f09e7e8ac25b89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--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] 864274018f0ef078fd07e84768cf529e54d7d04326dc932e5e5e789b0ef298a5
[INFO] running `Command { std: "docker" "start" "-a" "864274018f0ef078fd07e84768cf529e54d7d04326dc932e5e5e789b0ef298a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]    Compiling stb_truetype v0.2.5
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling spirv_cross v0.12.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.7
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]    Compiling andrew v0.1.4
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.6
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.22/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=c6117cf8f96965c7 -C extra-filename=-c6117cf8f96965c7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-79d9993c21502006.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e1244994aa5fd4f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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" "864274018f0ef078fd07e84768cf529e54d7d04326dc932e5e5e789b0ef298a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864274018f0ef078fd07e84768cf529e54d7d04326dc932e5e5e789b0ef298a5", kill_on_drop: false }`
[INFO] [stdout] 864274018f0ef078fd07e84768cf529e54d7d04326dc932e5e5e789b0ef298a5