[INFO] fetching crate panic_rtt 0.3.0...
[INFO] testing panic_rtt-0.3.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate panic_rtt 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate panic_rtt 0.3.0
[INFO] finished tweaking crates.io crate panic_rtt 0.3.0
[INFO] tweaked toml for crates.io crate panic_rtt 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate panic_rtt 0.3.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to highest compatible versions
[INFO] [stderr]       Adding cortex-m v0.6.7 (available: v0.7.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `panic_rtt` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-macros v0.7.8
[INFO] [stderr]   Downloaded jlink_rtt v0.2.0
[INFO] [stderr]   Downloaded cortex-m v0.7.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980
[INFO] running `Command { std: "docker" "start" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `panic_rtt` (manifest) generated 1 warning
[INFO] [stderr]    Compiling cortex-m-macros v0.7.8
[INFO] [stderr]    Compiling cortex-m v0.7.9
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling jlink_rtt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling panic_rtt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `panic_rtt` (manifest) generated 1 warning
[INFO] [stderr]    Compiling panic_rtt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 33 | |     interrupt::disable();
[INFO] [stdout] 34 | |
[INFO] [stdout] 35 | |     let mut out = jlink_rtt::Output::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3ebd33b08985d8a2.so, /opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3ebd33b08985d8a2.rlib, /opt/rustwide/rustup-home/toolchains/1.99.0-beta.8-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3ebd33b08985d8a2.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`panic_rtt`)
[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` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980", kill_on_drop: false }`
[INFO] [stdout] a0c20ed6bcd1d1d3b3c4e3f673fe74fe59e41b34126f3791334556be35920980
