[INFO] cloning repository https://github.com/comprakt/comprakt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comprakt/comprakt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomprakt%2Fcomprakt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomprakt%2Fcomprakt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2315e85972e63ea327c4d115ffe623253b520440
[INFO] checking comprakt/comprakt against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomprakt%2Fcomprakt" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comprakt/comprakt on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-29/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/comprakt/comprakt
[INFO] finished tweaking git repo https://github.com/comprakt/comprakt
[INFO] tweaked toml for git repo https://github.com/comprakt/comprakt written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/comprakt/comprakt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-29/source/compiler-cli/Cargo.toml: the cargo feature `default-run` has been stabilized in the 1.37 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-default-run-field for more information about using this feature.
[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 rustc-demangle v0.1.11
[INFO] [stderr]   Downloaded streaming-stats v0.2.2
[INFO] [stderr]   Downloaded notify v4.0.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.8
[INFO] [stderr]   Downloaded priority-queue v0.5.2
[INFO] [stderr]   Downloaded indexmap v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e41ab31c4bbb34cd4e89ab9ffba6a1009db12392c89a56af08fa28442dcd90e
[INFO] running `Command { std: "docker" "start" "-a" "1e41ab31c4bbb34cd4e89ab9ffba6a1009db12392c89a56af08fa28442dcd90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e41ab31c4bbb34cd4e89ab9ffba6a1009db12392c89a56af08fa28442dcd90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e41ab31c4bbb34cd4e89ab9ffba6a1009db12392c89a56af08fa28442dcd90e", kill_on_drop: false }`
[INFO] [stdout] 1e41ab31c4bbb34cd4e89ab9ffba6a1009db12392c89a56af08fa28442dcd90e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecc9b143ab179f05650fbe21514221a0168293a2ff0c06d50c00a1648f2029f2
[INFO] running `Command { std: "docker" "start" "-a" "ecc9b143ab179f05650fbe21514221a0168293a2ff0c06d50c00a1648f2029f2", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/compiler-cli/Cargo.toml: the cargo feature `default-run` has been stabilized in the 1.37 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-default-run-field for more information about using this feature.
[INFO] [stderr] warning: compiler-cli v0.0.1 (/opt/rustwide/workdir/compiler-cli) ignoring invalid dependency `inspect-ast` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking strum v0.11.0
[INFO] [stderr]     Checking levenshtein v1.0.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking trilean v1.0.1
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking shell-words v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling clang-sys v0.26.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]    Compiling rocket v0.4.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[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 --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=2ebf20a8fd780292 -C extra-filename=-2ebf20a8fd780292 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "ecc9b143ab179f05650fbe21514221a0168293a2ff0c06d50c00a1648f2029f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc9b143ab179f05650fbe21514221a0168293a2ff0c06d50c00a1648f2029f2", kill_on_drop: false }`
[INFO] [stdout] ecc9b143ab179f05650fbe21514221a0168293a2ff0c06d50c00a1648f2029f2