[INFO] fetching crate umm-malloc 0.3.2...
[INFO] checking umm-malloc-0.3.2 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate umm-malloc 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate umm-malloc 0.3.2 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umm-malloc 0.3.2
[INFO] finished tweaking crates.io crate umm-malloc 0.3.2
[INFO] tweaked toml for crates.io crate umm-malloc 0.3.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate umm-malloc 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded umm-malloc-sys v0.3.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66a4e27e826bd97742b8fde04651ac0c82abb156f51205ccfaa92fc17f239c8e
[INFO] running `Command { std: "docker" "start" "-a" "66a4e27e826bd97742b8fde04651ac0c82abb156f51205ccfaa92fc17f239c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a4e27e826bd97742b8fde04651ac0c82abb156f51205ccfaa92fc17f239c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a4e27e826bd97742b8fde04651ac0c82abb156f51205ccfaa92fc17f239c8e", kill_on_drop: false }`
[INFO] [stdout] 66a4e27e826bd97742b8fde04651ac0c82abb156f51205ccfaa92fc17f239c8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d273c5a9a01fcde4d5344ebaa8824278e0b5eb665602cddf33181120508045db
[INFO] running `Command { std: "docker" "start" "-a" "d273c5a9a01fcde4d5344ebaa8824278e0b5eb665602cddf33181120508045db", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling umm-malloc-sys v0.3.2
[INFO] [stderr]     Checking umm-malloc v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: A critical section cargo feature must be enabled
[INFO] [stdout]    --> src/lib.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | compile_error!("A critical section cargo feature must be enabled");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: A critical section cargo feature must be enabled
[INFO] [stdout]    --> src/lib.rs:156:1
[INFO] [stdout]     |
[INFO] [stdout] 156 | compile_error!("A critical section cargo feature must be enabled");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `umm-malloc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `umm-malloc` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d273c5a9a01fcde4d5344ebaa8824278e0b5eb665602cddf33181120508045db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d273c5a9a01fcde4d5344ebaa8824278e0b5eb665602cddf33181120508045db", kill_on_drop: false }`
[INFO] [stdout] d273c5a9a01fcde4d5344ebaa8824278e0b5eb665602cddf33181120508045db
