[INFO] fetching crate snowchains_core 0.8.1...
[INFO] checking snowchains_core-0.8.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate snowchains_core 0.8.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate snowchains_core 0.8.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snowchains_core 0.8.1
[INFO] finished tweaking crates.io crate snowchains_core 0.8.1
[INFO] tweaked toml for crates.io crate snowchains_core 0.8.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate snowchains_core 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded serde v1.0.120
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded easy-ext v0.2.6
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded insta v1.5.2
[INFO] [stderr]   Downloaded tokio-util v0.6.2
[INFO] [stderr]   Downloaded rpassword v5.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.120
[INFO] [stderr]   Downloaded rprompt v1.0.5
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded humantime-serde v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94b0a3c3787f12620b43335cdabd13470870e7f1c1670badae9b2d99e9bda655
[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" "94b0a3c3787f12620b43335cdabd13470870e7f1c1670badae9b2d99e9bda655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b0a3c3787f12620b43335cdabd13470870e7f1c1670badae9b2d99e9bda655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b0a3c3787f12620b43335cdabd13470870e7f1c1670badae9b2d99e9bda655", kill_on_drop: false }`
[INFO] [stdout] 94b0a3c3787f12620b43335cdabd13470870e7f1c1670badae9b2d99e9bda655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc2f4230c3ebd280c30a8a5fc35376dd0d4c363963a92b4ef0f3c8fb4d789ddd
[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" "fc2f4230c3ebd280c30a8a5fc35376dd0d4c363963a92b4ef0f3c8fb4d789ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time v0.2.24
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking fwdansi v1.1.0
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling easy-ext v0.2.6
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr] error: could not compile `pin-project-internal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-0.4.27/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=45a2b1995509119a -C extra-filename=-45a2b1995509119a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb4ba7198c8ab084.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5a69b9c9858fa556.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-1008749d255994ea.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts --cfg deprecated_proc_macro` (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" "fc2f4230c3ebd280c30a8a5fc35376dd0d4c363963a92b4ef0f3c8fb4d789ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2f4230c3ebd280c30a8a5fc35376dd0d4c363963a92b4ef0f3c8fb4d789ddd", kill_on_drop: false }`
[INFO] [stdout] fc2f4230c3ebd280c30a8a5fc35376dd0d4c363963a92b4ef0f3c8fb4d789ddd