[INFO] cloning repository https://github.com/smbolton/stm32f3-oscilloscope [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smbolton/stm32f3-oscilloscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbolton%2Fstm32f3-oscilloscope", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbolton%2Fstm32f3-oscilloscope'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06443bfa64375d1f576aa297186e88d31dc284a6 [INFO] checking smbolton/stm32f3-oscilloscope against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmbolton%2Fstm32f3-oscilloscope" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smbolton/stm32f3-oscilloscope on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/.cargo/config [INFO] started tweaking git repo https://github.com/smbolton/stm32f3-oscilloscope [INFO] finished tweaking git repo https://github.com/smbolton/stm32f3-oscilloscope [INFO] tweaked toml for git repo https://github.com/smbolton/stm32f3-oscilloscope written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/smbolton/stm32f3-oscilloscope already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded r0 v0.2.1 [INFO] [stderr] Downloaded aligned v0.1.1 [INFO] [stderr] Downloaded cortex-m-semihosting v0.1.3 [INFO] [stderr] Downloaded cortex-m-rt v0.2.5 [INFO] [stderr] Downloaded cortex-m v0.2.11 [INFO] [stderr] Downloaded stm32f30x v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8af66e3c04b7e773be909c5d9d1ae87a044a988940f82bfe01dbd33f4258ab24 [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" "8af66e3c04b7e773be909c5d9d1ae87a044a988940f82bfe01dbd33f4258ab24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8af66e3c04b7e773be909c5d9d1ae87a044a988940f82bfe01dbd33f4258ab24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8af66e3c04b7e773be909c5d9d1ae87a044a988940f82bfe01dbd33f4258ab24", kill_on_drop: false }` [INFO] [stdout] 8af66e3c04b7e773be909c5d9d1ae87a044a988940f82bfe01dbd33f4258ab24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 83e2e99b3a7d08a571ffeecad8e4f8b4807f3cf2b4e879cf4c094b5e437f60b2 [INFO] running `Command { std: "docker" "start" "-a" "83e2e99b3a7d08a571ffeecad8e4f8b4807f3cf2b4e879cf4c094b5e437f60b2", kill_on_drop: false }` [INFO] [stderr] Checking vcell v0.1.0 [INFO] [stderr] Compiling cortex-m v0.2.11 [INFO] [stderr] Compiling gcc v0.3.51 [INFO] [stderr] Compiling cortex-m-rt v0.2.5 [INFO] [stderr] Checking aligned v0.1.1 [INFO] [stderr] Checking cortex-m-semihosting v0.1.3 [INFO] [stderr] Checking r0 v0.2.1 [INFO] [stderr] Checking volatile-register v0.2.0 [INFO] [stdout] error[E0259]: the name `compiler_builtins` is defined multiple times [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-0.2.5/src/lib.rs:160:1 [INFO] [stdout] | [INFO] [stdout] 160 | extern crate compiler_builtins; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `compiler_builtins` reimported here [INFO] [stdout] | [INFO] [stdout] = note: `compiler_builtins` must be defined only once in the type namespace of this module [INFO] [stdout] help: you can use `as` to change the binding name of the import [INFO] [stdout] | [INFO] [stdout] 160 | extern crate compiler_builtins as other_compiler_builtins; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0522]: definition of an unknown language item: `panic_fmt` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-0.2.5/src/lang_items.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[lang = "panic_fmt"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-0.2.5/src/lib.rs:160:1 [INFO] [stdout] | [INFO] [stdout] 160 | extern crate compiler_builtins; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0259, E0522, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0259`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` [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" "83e2e99b3a7d08a571ffeecad8e4f8b4807f3cf2b4e879cf4c094b5e437f60b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83e2e99b3a7d08a571ffeecad8e4f8b4807f3cf2b4e879cf4c094b5e437f60b2", kill_on_drop: false }` [INFO] [stdout] 83e2e99b3a7d08a571ffeecad8e4f8b4807f3cf2b4e879cf4c094b5e437f60b2