[INFO] cloning repository https://github.com/Txuritan/snowfall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Txuritan/snowfall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTxuritan%2Fsnowfall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTxuritan%2Fsnowfall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1b9b6c7063ec4ac11f1e77a60fee878e2b2c9c3
[INFO] testing Txuritan/snowfall against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTxuritan%2Fsnowfall" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Txuritan/snowfall on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Txuritan/snowfall
[INFO] finished tweaking git repo https://github.com/Txuritan/snowfall
[INFO] tweaked toml for git repo https://github.com/Txuritan/snowfall written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Txuritan/snowfall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e32ee3d66f3f4f445a77cf5b211d46082222e51f0a8f3792c83b5392db76d1
[INFO] running `Command { std: "docker" "start" "-a" "e9e32ee3d66f3f4f445a77cf5b211d46082222e51f0a8f3792c83b5392db76d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e32ee3d66f3f4f445a77cf5b211d46082222e51f0a8f3792c83b5392db76d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e32ee3d66f3f4f445a77cf5b211d46082222e51f0a8f3792c83b5392db76d1", kill_on_drop: false }`
[INFO] [stdout] e9e32ee3d66f3f4f445a77cf5b211d46082222e51f0a8f3792c83b5392db76d1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca700d9d70ee77f507a8062dd9f186454f7037d5798ef3311361fa453064382
[INFO] running `Command { std: "docker" "start" "-a" "4ca700d9d70ee77f507a8062dd9f186454f7037d5798ef3311361fa453064382", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling arc-swap v0.3.7
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling fallible-iterator v0.1.6
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling mysql v15.1.0
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/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="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=e9995fc50dddec1f -C extra-filename=-e9995fc50dddec1f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "4ca700d9d70ee77f507a8062dd9f186454f7037d5798ef3311361fa453064382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca700d9d70ee77f507a8062dd9f186454f7037d5798ef3311361fa453064382", kill_on_drop: false }`
[INFO] [stdout] 4ca700d9d70ee77f507a8062dd9f186454f7037d5798ef3311361fa453064382