[INFO] fetching crate panic-persist 0.3.0...
[INFO] testing panic-persist-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate panic-persist 0.3.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate panic-persist 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-persist 0.3.0
[INFO] finished tweaking crates.io crate panic-persist 0.3.0
[INFO] tweaked toml for crates.io crate panic-persist 0.3.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eda746c1afb9115c5763ca243e5059f1f2cf855d3f8108bc43fdee2d34d0881
[INFO] running `Command { std: "docker" "start" "-a" "0eda746c1afb9115c5763ca243e5059f1f2cf855d3f8108bc43fdee2d34d0881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eda746c1afb9115c5763ca243e5059f1f2cf855d3f8108bc43fdee2d34d0881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eda746c1afb9115c5763ca243e5059f1f2cf855d3f8108bc43fdee2d34d0881", kill_on_drop: false }`
[INFO] [stdout] 0eda746c1afb9115c5763ca243e5059f1f2cf855d3f8108bc43fdee2d34d0881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 428a660d0b217401b357a05354a2dba6ce9d70f1881212e480dbae7278241b90
[INFO] running `Command { std: "docker" "start" "-a" "428a660d0b217401b357a05354a2dba6ce9d70f1881212e480dbae7278241b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling panic-persist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "428a660d0b217401b357a05354a2dba6ce9d70f1881212e480dbae7278241b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428a660d0b217401b357a05354a2dba6ce9d70f1881212e480dbae7278241b90", kill_on_drop: false }`
[INFO] [stdout] 428a660d0b217401b357a05354a2dba6ce9d70f1881212e480dbae7278241b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8044d151860e345a0d88b6106a7486b93e93de261018714d9d9e5aad9dc49ddd
[INFO] running `Command { std: "docker" "start" "-a" "8044d151860e345a0d88b6106a7486b93e93de261018714d9d9e5aad9dc49ddd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling panic-persist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/lib.rs:254:1
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn panic(info: &PanicInfo) -> ! {
[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/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.so, /opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib
[INFO] [stdout]     = note: second definition in the local crate (`panic_persist`)
[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-persist` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8044d151860e345a0d88b6106a7486b93e93de261018714d9d9e5aad9dc49ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8044d151860e345a0d88b6106a7486b93e93de261018714d9d9e5aad9dc49ddd", kill_on_drop: false }`
[INFO] [stdout] 8044d151860e345a0d88b6106a7486b93e93de261018714d9d9e5aad9dc49ddd