[INFO] cloning repository https://github.com/pypypypypypypypypyp/space_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pypypypypypypypypyp/space_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Fspace_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Fspace_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67224b0085bcaccb428923bc4bb436081bb4a605
[INFO] checking pypypypypypypypypyp/space_client against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpypypypypypypypypyp%2Fspace_client" "/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/pypypypypypypypypyp/space_client on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pypypypypypypypypyp/space_client
[INFO] finished tweaking git repo https://github.com/pypypypypypypypypyp/space_client
[INFO] tweaked toml for git repo https://github.com/pypypypypypypypypyp/space_client written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pypypypypypypypypyp/space_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pypypypypypypypypyp/array_tuple`
[INFO] [stderr]     Updating git repository `https://github.com/pypypypypypypypypyp/limiter`
[INFO] [stderr]     Updating git repository `https://github.com/pypypypypypypypypyp/math_lib`
[INFO] [stderr]     Updating git repository `https://github.com/pypypypypypypypypyp/terminal`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] a48768baf31e435df07bd299358c5b095fe7576b846f8ecdda5fd6e35312b179
[INFO] running `Command { std: "docker" "start" "-a" "a48768baf31e435df07bd299358c5b095fe7576b846f8ecdda5fd6e35312b179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48768baf31e435df07bd299358c5b095fe7576b846f8ecdda5fd6e35312b179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48768baf31e435df07bd299358c5b095fe7576b846f8ecdda5fd6e35312b179", kill_on_drop: false }`
[INFO] [stdout] a48768baf31e435df07bd299358c5b095fe7576b846f8ecdda5fd6e35312b179
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 6ffd247b1529fdba2c757bef08008e506ccf0cffa11675c407006f48131ec2c8
[INFO] running `Command { std: "docker" "start" "-a" "6ffd247b1529fdba2c757bef08008e506ccf0cffa11675c407006f48131ec2c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking array_tuple v0.1.0 (https://github.com/pypypypypypypypypyp/array_tuple#a75ae591)
[INFO] [stderr]     Checking terminal v0.1.0 (https://github.com/pypypypypypypypypyp/terminal#19316794)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/array_tuple-50bd20982362b952/a75ae59/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking limiter v0.1.0 (https://github.com/pypypypypypypypypyp/limiter#f812738f)
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking 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 `array_tuple`.
[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" "6ffd247b1529fdba2c757bef08008e506ccf0cffa11675c407006f48131ec2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ffd247b1529fdba2c757bef08008e506ccf0cffa11675c407006f48131ec2c8", kill_on_drop: false }`
[INFO] [stdout] 6ffd247b1529fdba2c757bef08008e506ccf0cffa11675c407006f48131ec2c8
