[INFO] cloning repository https://github.com/dyxushuai/mum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dyxushuai/mum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyxushuai%2Fmum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyxushuai%2Fmum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eb1c3fd1d1b029bd62f78f5bd51171d5126190b
[INFO] checking dyxushuai/mum against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyxushuai%2Fmum" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dyxushuai/mum on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dyxushuai/mum
[INFO] finished tweaking git repo https://github.com/dyxushuai/mum
[INFO] tweaked toml for git repo https://github.com/dyxushuai/mum written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dyxushuai/mum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.4
[INFO] [stderr]   Downloaded env_logger v0.5.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.3
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded cmake v0.1.31
[INFO] [stderr]   Downloaded tokio-reactor v0.1.2
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded tokio-io v0.1.7
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.4
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded protobuf-codegen v2.0.2
[INFO] [stderr]   Downloaded grpcio v0.3.0
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded structopt v0.2.10
[INFO] [stderr]   Downloaded spin v0.4.8
[INFO] [stderr]   Downloaded tokio-fs v0.1.1
[INFO] [stderr]   Downloaded tokio-udp v0.1.1
[INFO] [stderr]   Downloaded procinfo v0.3.1
[INFO] [stderr]   Downloaded tokio v0.1.7
[INFO] [stderr]   Downloaded bytes v0.4.8
[INFO] [stderr]   Downloaded prometheus v0.4.1
[INFO] [stderr]   Downloaded protoc-rust v2.0.2
[INFO] [stderr]   Downloaded protoc-grpc v0.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded protoc v2.0.2
[INFO] [stderr]   Downloaded protobuf v1.7.3
[INFO] [stderr]   Downloaded protobuf v2.0.2
[INFO] [stderr]   Downloaded hyper v0.9.18
[INFO] [stderr]   Downloaded structopt-derive v0.2.10
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded quick-error v0.2.2
[INFO] [stderr]   Downloaded grpcio-compiler v0.3.0
[INFO] [stderr]   Downloaded grpcio-sys v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", 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] e52eeb5675ec6cab9e0eb72c1e2e8afc3cc5bcc48dd307cea8322580baa3a30c
[INFO] running `Command { std: "docker" "start" "-a" "e52eeb5675ec6cab9e0eb72c1e2e8afc3cc5bcc48dd307cea8322580baa3a30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52eeb5675ec6cab9e0eb72c1e2e8afc3cc5bcc48dd307cea8322580baa3a30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52eeb5675ec6cab9e0eb72c1e2e8afc3cc5bcc48dd307cea8322580baa3a30c", kill_on_drop: false }`
[INFO] [stdout] e52eeb5675ec6cab9e0eb72c1e2e8afc3cc5bcc48dd307cea8322580baa3a30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 666184d416ea5e673120b5ecf7193606a92c576c4ef118ab3833e5ebb8311790
[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" "666184d416ea5e673120b5ecf7193606a92c576c4ef118ab3833e5ebb8311790", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling protobuf v2.0.2
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling protobuf v1.7.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking spin v0.4.8
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/util.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stdout]   |              ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: replace with: `llvm_asm!`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]   = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "666184d416ea5e673120b5ecf7193606a92c576c4ef118ab3833e5ebb8311790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666184d416ea5e673120b5ecf7193606a92c576c4ef118ab3833e5ebb8311790", kill_on_drop: false }`
[INFO] [stdout] 666184d416ea5e673120b5ecf7193606a92c576c4ef118ab3833e5ebb8311790