[INFO] cloning repository https://github.com/PaulGrandperrin/reactfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PaulGrandperrin/reactfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Freactfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Freactfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ea73bb124a9a0e836becee740eed790f3dae47e
[INFO] checking PaulGrandperrin/reactfs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPaulGrandperrin%2Freactfs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PaulGrandperrin/reactfs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PaulGrandperrin/reactfs
[INFO] finished tweaking git repo https://github.com/PaulGrandperrin/reactfs
[INFO] tweaked toml for git repo https://github.com/PaulGrandperrin/reactfs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/PaulGrandperrin/reactfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/PaulGrandperrin/futures-await.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.5.6
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded quickcheck_macros v0.6.1
[INFO] [stderr]   Downloaded fuzztest v0.1.1
[INFO] [stderr]   Downloaded proptest v0.4.2
[INFO] [stderr]   Downloaded futures v0.1.20
[INFO] [stderr]   Downloaded honggfuzz v0.5.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a89b481e7fd4de4cb7f2d67b76fe07a3d77c82d8c9ea5e0a5cc8e11a4667a31
[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" "8a89b481e7fd4de4cb7f2d67b76fe07a3d77c82d8c9ea5e0a5cc8e11a4667a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a89b481e7fd4de4cb7f2d67b76fe07a3d77c82d8c9ea5e0a5cc8e11a4667a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a89b481e7fd4de4cb7f2d67b76fe07a3d77c82d8c9ea5e0a5cc8e11a4667a31", kill_on_drop: false }`
[INFO] [stdout] 8a89b481e7fd4de4cb7f2d67b76fe07a3d77c82d8c9ea5e0a5cc8e11a4667a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] eede61939e039240422a94e6f16c2fa8e57787a8875305e047ceda03013038ee
[INFO] running `Command { std: "docker" "start" "-a" "eede61939e039240422a94e6f16c2fa8e57787a8875305e047ceda03013038ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling honggfuzz v0.5.13
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]     Checking futures-await-await-macro v0.1.0 (https://github.com/PaulGrandperrin/futures-await.git#2195131f)
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stdout] error[E0425]: cannot find function `unreachable` in module `std::mem`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/nightly_lazy.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 None => std::mem::unreachable(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^ not found in `std::mem`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lazy::std::intrinsics::unreachable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lazy_static`
[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] [stdout] error[E0425]: cannot find function `unreachable` in module `std::mem`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.0/src/nightly_lazy.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 None => std::mem::unreachable(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^ not found in `std::mem`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lazy::std::intrinsics::unreachable;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eede61939e039240422a94e6f16c2fa8e57787a8875305e047ceda03013038ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eede61939e039240422a94e6f16c2fa8e57787a8875305e047ceda03013038ee", kill_on_drop: false }`
[INFO] [stdout] eede61939e039240422a94e6f16c2fa8e57787a8875305e047ceda03013038ee