[INFO] cloning repository https://github.com/cutelab/doory
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cutelab/doory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutelab%2Fdoory", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutelab%2Fdoory'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af89965e60ee94fed2e0bbc0ed73d22f5af52b87
[INFO] checking cutelab/doory against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcutelab%2Fdoory" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cutelab/doory on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cutelab/doory
[INFO] finished tweaking git repo https://github.com/cutelab/doory
[INFO] tweaked toml for git repo https://github.com/cutelab/doory written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cutelab/doory already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e7c23bc115ec5811d76486290ca975dc6af9bbb8b488a0835f995792f54c975
[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" "7e7c23bc115ec5811d76486290ca975dc6af9bbb8b488a0835f995792f54c975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7c23bc115ec5811d76486290ca975dc6af9bbb8b488a0835f995792f54c975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7c23bc115ec5811d76486290ca975dc6af9bbb8b488a0835f995792f54c975", kill_on_drop: false }`
[INFO] [stdout] 7e7c23bc115ec5811d76486290ca975dc6af9bbb8b488a0835f995792f54c975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbe966a99aacc9c3bad335b8da30c8590baad475be4d9b441976643ae8f4e479
[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" "bbe966a99aacc9c3bad335b8da30c8590baad475be4d9b441976643ae8f4e479", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling cortex-m v0.3.1
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking aligned v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]     Checking bare-metal v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt v0.3.5
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking static-ref v0.2.1
[INFO] [stderr]    Compiling cortex-m-rtfm v0.2.1
[INFO] [stderr]    Compiling blue-pill v0.1.0 (https://github.com/evq/blue-pill#0944ee01)
[INFO] [stderr]     Checking nb v0.1.0 (https://github.com/japaric/nb#159cf95a)
[INFO] [stderr]    Compiling nfc-oath v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `const_unsafe_cell_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.1/src/lib.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn,const_unsafe_cell_new)]
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bare-metal`
[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" "bbe966a99aacc9c3bad335b8da30c8590baad475be4d9b441976643ae8f4e479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe966a99aacc9c3bad335b8da30c8590baad475be4d9b441976643ae8f4e479", kill_on_drop: false }`
[INFO] [stdout] bbe966a99aacc9c3bad335b8da30c8590baad475be4d9b441976643ae8f4e479