[INFO] fetching crate panic-rtt-target 0.1.0...
[INFO] checking panic-rtt-target-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate panic-rtt-target 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate panic-rtt-target 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate panic-rtt-target 0.1.0
[INFO] finished tweaking crates.io crate panic-rtt-target 0.1.0
[INFO] tweaked toml for crates.io crate panic-rtt-target 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtt-target v0.1.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b599b49638a65140c6064ce6237afd0fe1bf106bf3ee12736ae537f527be4a30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b599b49638a65140c6064ce6237afd0fe1bf106bf3ee12736ae537f527be4a30"`
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking rtt-target v0.1.1
[INFO] [stderr]     Checking panic-rtt-target v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.
[INFO] [stderr]   --> src/lib.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | compile_error!("You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.
[INFO] [stderr]   --> src/lib.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | compile_error!("You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.");
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `panic-rtt-target`.
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `panic-rtt-target`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b599b49638a65140c6064ce6237afd0fe1bf106bf3ee12736ae537f527be4a30"`
[INFO] running `"docker" "rm" "-f" "b599b49638a65140c6064ce6237afd0fe1bf106bf3ee12736ae537f527be4a30"`
[INFO] [stdout] b599b49638a65140c6064ce6237afd0fe1bf106bf3ee12736ae537f527be4a30