[INFO] updating cached repository https://github.com/AlbinMartinsson/E7020E_labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c06967d0dabccffeb399f2d7acab78aa27320e48 [INFO] testing AlbinMartinsson/E7020E_labs against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbinMartinsson%2FE7020E_labs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/AlbinMartinsson/E7020E_labs on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1/source/.cargo/config [INFO] started tweaking git repo https://github.com/AlbinMartinsson/E7020E_labs [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/AlbinMartinsson/E7020E_labs [INFO] tweaked toml for git repo https://github.com/AlbinMartinsson/E7020E_labs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/AlbinMartinsson/E7020E_labs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 508d61909e0e8958cfc3b16e00a0eaa7191baa5704f8ee1b97d3fef318959655 [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" "508d61909e0e8958cfc3b16e00a0eaa7191baa5704f8ee1b97d3fef318959655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "508d61909e0e8958cfc3b16e00a0eaa7191baa5704f8ee1b97d3fef318959655", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "508d61909e0e8958cfc3b16e00a0eaa7191baa5704f8ee1b97d3fef318959655", kill_on_drop: false }` [INFO] [stdout] 508d61909e0e8958cfc3b16e00a0eaa7191baa5704f8ee1b97d3fef318959655 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 416604cd66f83a1fd52a4452ca83d79bda914db62041f81cc46355cd6ee80996 [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" "416604cd66f83a1fd52a4452ca83d79bda914db62041f81cc46355cd6ee80996", 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] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling cortex-m v0.6.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling vcell v0.1.2 [INFO] [stderr] Compiling cortex-m-semihosting v0.3.5 [INFO] [stderr] Compiling cortex-m-rt v0.6.12 [INFO] [stderr] Compiling heapless v0.5.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling ufmt-write v0.1.0 [INFO] [stderr] Compiling panic-halt v0.2.0 [INFO] [stderr] Compiling nb v0.1.2 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling volatile-register v0.2.0 [INFO] [stderr] Compiling as-slice v0.1.3 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling aligned v0.3.2 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.6.2/src/lib.rs:32:37 [INFO] [stdout] | [INFO] [stdout] 32 | #![cfg_attr(feature = "inline-asm", feature(asm))] [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 E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m`. [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" "416604cd66f83a1fd52a4452ca83d79bda914db62041f81cc46355cd6ee80996", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "416604cd66f83a1fd52a4452ca83d79bda914db62041f81cc46355cd6ee80996", kill_on_drop: false }` [INFO] [stdout] 416604cd66f83a1fd52a4452ca83d79bda914db62041f81cc46355cd6ee80996