[INFO] crate panic-rtt-core 0.1.1 is already in cache
[INFO] testing panic-rtt-core-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate panic-rtt-core 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate panic-rtt-core 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-rtt-core 0.1.1
[INFO] finished tweaking crates.io crate panic-rtt-core 0.1.1
[INFO] tweaked toml for crates.io crate panic-rtt-core 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6fe391ba84a143bc9678376cabfd9bffbe147fd5130f1d98e54539541a05607
[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" "a6fe391ba84a143bc9678376cabfd9bffbe147fd5130f1d98e54539541a05607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6fe391ba84a143bc9678376cabfd9bffbe147fd5130f1d98e54539541a05607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fe391ba84a143bc9678376cabfd9bffbe147fd5130f1d98e54539541a05607", kill_on_drop: false }`
[INFO] [stdout] a6fe391ba84a143bc9678376cabfd9bffbe147fd5130f1d98e54539541a05607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14f38736c16a03f3c15229d9a5b695a326d422dac6b8d02de5047dd5a919635
[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" "e14f38736c16a03f3c15229d9a5b695a326d422dac6b8d02de5047dd5a919635", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling rtt-target v0.1.1
[INFO] [stderr]    Compiling panic-rtt-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "e14f38736c16a03f3c15229d9a5b695a326d422dac6b8d02de5047dd5a919635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14f38736c16a03f3c15229d9a5b695a326d422dac6b8d02de5047dd5a919635", kill_on_drop: false }`
[INFO] [stdout] e14f38736c16a03f3c15229d9a5b695a326d422dac6b8d02de5047dd5a919635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aefc773095d78a6b88e9e02bcd489ce25970ce9aa86d86783888b844c648ccc
[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" "4aefc773095d78a6b88e9e02bcd489ce25970ce9aa86d86783888b844c648ccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-rtt-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 32 | |     interrupt::disable();
[INFO] [stdout] 33 | |     rprintln!("{}", info);
[INFO] [stdout] 34 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[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 E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-rtt-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4aefc773095d78a6b88e9e02bcd489ce25970ce9aa86d86783888b844c648ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aefc773095d78a6b88e9e02bcd489ce25970ce9aa86d86783888b844c648ccc", kill_on_drop: false }`
[INFO] [stdout] 4aefc773095d78a6b88e9e02bcd489ce25970ce9aa86d86783888b844c648ccc