[INFO] updating cached repository https://github.com/embed-rs/stm32f7-discovery-rewrite
[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] 93175983ed22531531138ca0cf9a12324ed9a757
[INFO] checking embed-rs/stm32f7-discovery-rewrite against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery-rewrite" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/embed-rs/stm32f7-discovery-rewrite on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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/embed-rs/stm32f7-discovery-rewrite
[INFO] finished tweaking git repo https://github.com/embed-rs/stm32f7-discovery-rewrite
[INFO] tweaked toml for git repo https://github.com/embed-rs/stm32f7-discovery-rewrite written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/embed-rs/stm32f7-discovery-rewrite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a0188e138620d0e6e599e62718aee6b845b3e42e04893290db5ae6d7534a471
[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" "9a0188e138620d0e6e599e62718aee6b845b3e42e04893290db5ae6d7534a471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0188e138620d0e6e599e62718aee6b845b3e42e04893290db5ae6d7534a471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0188e138620d0e6e599e62718aee6b845b3e42e04893290db5ae6d7534a471", kill_on_drop: false }`
[INFO] [stdout] 9a0188e138620d0e6e599e62718aee6b845b3e42e04893290db5ae6d7534a471
[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=forbid" "-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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5938f2debd9a20e030eaf065aafee7e4c8c61691104f534f37913ba03eb6cd34
[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" "5938f2debd9a20e030eaf065aafee7e4c8c61691104f534f37913ba03eb6cd34", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling stm32f7 v0.2.2
[INFO] [stderr]     Checking volatile-register v0.1.2
[INFO] [stderr]     Checking bare-metal v0.2.3
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]    Compiling stm32f7-discovery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linked_list_allocator v0.6.3
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking volatile v0.2.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking spin v0.4.9
[INFO] [stderr]     Checking font8x8 v0.2.4
[INFO] [stderr]    Compiling cortex-m v0.5.4
[INFO] [stderr]    Compiling cortex-m-rt v0.5.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stdout] error[E0432]: unresolved import `alloc::alloc::Alloc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.6.3/src/lib.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use alloc::alloc::{Alloc, AllocErr, Layout};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    no `Alloc` in `alloc`
[INFO] [stdout]    |                    help: a similar name exists in the module: `alloc`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator`.
[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" "5938f2debd9a20e030eaf065aafee7e4c8c61691104f534f37913ba03eb6cd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5938f2debd9a20e030eaf065aafee7e4c8c61691104f534f37913ba03eb6cd34", kill_on_drop: false }`
[INFO] [stdout] 5938f2debd9a20e030eaf065aafee7e4c8c61691104f534f37913ba03eb6cd34