[INFO] cloning repository https://github.com/tcr/edit-text
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcr/edit-text" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fedit-text", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fedit-text'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ecd6a1b7c5970b2ea4cd8bbfce4d444ad15512f
[INFO] testing tcr/edit-text against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fedit-text" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcr/edit-text on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-24/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/tcr/edit-text
[INFO] finished tweaking git repo https://github.com/tcr/edit-text
[INFO] tweaked toml for git repo https://github.com/tcr/edit-text written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/tcr/edit-text already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `http://github.com/tcr/wasm-bindgen`
[INFO] [stderr]     Updating git repository `https://github.com/jcdyer/include-dir-macro`
[INFO] [stderr] warning: Patch `js-sys v0.3.5 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `wasm-bindgen v0.2.28 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `wasm-bindgen-cli-support v0.2.28 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `wasm-bindgen-shared v0.2.28 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `web-sys v0.3.5 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.23
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.29
[INFO] [stderr]   Downloaded ron v0.4.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded phf v0.7.23
[INFO] [stderr]   Downloaded tokio-timer v0.2.8
[INFO] [stderr]   Downloaded juniper_codegen v0.9.2
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded tempfile v3.0.5
[INFO] [stderr]   Downloaded openssl v0.10.15
[INFO] [stderr]   Downloaded rouille v2.2.0
[INFO] [stderr]   Downloaded h2 v0.1.14
[INFO] [stderr]   Downloaded http v0.1.14
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.1
[INFO] [stderr]   Downloaded utf-8 v0.7.4
[INFO] [stderr]   Downloaded ammonia v1.2.0
[INFO] [stderr]   Downloaded markup5ever v0.7.3
[INFO] [stderr]   Downloaded tokio-uds v0.2.4
[INFO] [stderr]   Downloaded strum v0.11.0
[INFO] [stderr]   Downloaded migrations_internals v1.3.0
[INFO] [stderr]   Downloaded buf_redux v0.6.3
[INFO] [stderr]   Downloaded js-sys v0.3.6
[INFO] [stderr]   Downloaded ignore v0.4.4
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-interpreter v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen-threads-xform v0.2.29
[INFO] [stderr]   Downloaded watchexec v1.9.2
[INFO] [stderr]   Downloaded security-framework v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-gc v0.2.29
[INFO] [stderr]   Downloaded hyper v0.12.18
[INFO] [stderr]   Downloaded security-framework-sys v0.2.1
[INFO] [stderr]   Downloaded pom v1.1.0
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded hyper-tls v0.1.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.2
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] [stderr]   Downloaded parity-wasm v0.35.4
[INFO] [stderr]   Downloaded fantoccini v0.11.6
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded r2d2-diesel v1.0.0
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded handlebars v0.32.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.9
[INFO] [stderr]   Downloaded tokio v0.1.13
[INFO] [stderr]   Downloaded toml-query v0.7.0
[INFO] [stderr]   Downloaded string v0.1.2
[INFO] [stderr]   Downloaded svgbob v0.4.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.24.1
[INFO] [stderr]   Downloaded elasticlunr-rs v2.3.4
[INFO] [stderr]   Downloaded bus v1.4.1
[INFO] [stderr]   Downloaded webdriver v0.38.0
[INFO] [stderr]   Downloaded rental-impl v0.5.2
[INFO] [stderr]   Downloaded wee_alloc v0.4.2
[INFO] [stderr]   Downloaded tokio-async-await v0.1.4
[INFO] [stderr]   Downloaded commandspec v0.12.2
[INFO] [stderr]   Downloaded svg v0.5.11
[INFO] [stderr]   Downloaded enumset v0.3.14
[INFO] [stderr]   Downloaded quicli v0.3.1
[INFO] [stderr]   Downloaded wasm-typescript-definition v0.1.4
[INFO] [stderr]   Downloaded enumset_derive v0.2.0
[INFO] [stderr]   Downloaded taken v0.1.1
[INFO] [stderr]   Downloaded wbg-rand v0.4.1
[INFO] [stderr]   Downloaded multipart v0.13.6
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.29
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.29
[INFO] [stderr]   Downloaded web-sys v0.3.6
[INFO] [stderr]   Downloaded wasm-bindgen-cli-support v0.2.29
[INFO] [stderr]   Downloaded encoding_rs v0.8.13
[INFO] [stderr]   Downloaded r2d2 v0.8.3
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] [stderr]   Downloaded mdbook v0.2.0
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.5
[INFO] [stderr]   Downloaded weedle v0.8.0
[INFO] [stderr]   Downloaded strum_macros v0.11.0
[INFO] [stderr]   Downloaded reqwest v0.9.5
[INFO] [stderr]   Downloaded rental v0.5.2
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v1.1.0
[INFO] [stderr]   Downloaded juniper v0.9.2
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded open v1.2.2
[INFO] [stderr]   Downloaded quicli v0.4.0
[INFO] [stderr]   Downloaded mime v0.3.12
[INFO] [stderr]   Downloaded openssl-sys v0.9.39
[INFO] [stderr]   Downloaded reqwest v0.8.8
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded phf_shared v0.7.23
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded tiny_http v0.6.0
[INFO] [stderr]   Downloaded atomic-option v0.1.2
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.29
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded tiny_http v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 346837f7067e951340151311a9089c0b7658288b7ee88f74bd9f7c340ee24c7c
[INFO] running `Command { std: "docker" "start" "-a" "346837f7067e951340151311a9089c0b7658288b7ee88f74bd9f7c340ee24c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "346837f7067e951340151311a9089c0b7658288b7ee88f74bd9f7c340ee24c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346837f7067e951340151311a9089c0b7658288b7ee88f74bd9f7c340ee24c7c", kill_on_drop: false }`
[INFO] [stdout] 346837f7067e951340151311a9089c0b7658288b7ee88f74bd9f7c340ee24c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea7f7cb83025e021791c3dfebbc1ee02f45f81124b6a9bb1ea56746529003400
[INFO] running `Command { std: "docker" "start" "-a" "ea7f7cb83025e021791c3dfebbc1ee02f45f81124b6a9bb1ea56746529003400", kill_on_drop: false }`
[INFO] [stderr] warning: Patch `js-sys v0.3.5 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `wasm-bindgen v0.2.28 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `wasm-bindgen-cli-support v0.2.28 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `wasm-bindgen-shared v0.2.28 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Patch `web-sys v0.3.5 (http://github.com/tcr/wasm-bindgen?rev=90193ea#90193eab)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.29
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.29
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling taken v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling utf-8 v0.7.4
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling open v1.2.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling wee_alloc v0.4.2
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling strum v0.11.0
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling svg v0.5.11
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:42
[INFO] [stdout]     |
[INFO] [stdout] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parity-wasm v0.35.4
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ea7f7cb83025e021791c3dfebbc1ee02f45f81124b6a9bb1ea56746529003400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7f7cb83025e021791c3dfebbc1ee02f45f81124b6a9bb1ea56746529003400", kill_on_drop: false }`
[INFO] [stdout] ea7f7cb83025e021791c3dfebbc1ee02f45f81124b6a9bb1ea56746529003400