[INFO] fetching crate panic-write 0.1.0...
[INFO] testing panic-write-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate panic-write 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate panic-write 0.1.0
[INFO] finished tweaking crates.io crate panic-write 0.1.0
[INFO] tweaked toml for crates.io crate panic-write 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate panic-write 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d8a2aabedb5cbeb858713981da52b35cbedd96289ecafc3c9e84f292e5089a9
[INFO] running `Command { std: "docker" "start" "-a" "6d8a2aabedb5cbeb858713981da52b35cbedd96289ecafc3c9e84f292e5089a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d8a2aabedb5cbeb858713981da52b35cbedd96289ecafc3c9e84f292e5089a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8a2aabedb5cbeb858713981da52b35cbedd96289ecafc3c9e84f292e5089a9", kill_on_drop: false }`
[INFO] [stdout] 6d8a2aabedb5cbeb858713981da52b35cbedd96289ecafc3c9e84f292e5089a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb982af31a22dd3235c673804a37d02eb5a229a4773f365e653ee8fb364d64aa
[INFO] running `Command { std: "docker" "start" "-a" "bb982af31a22dd3235c673804a37d02eb5a229a4773f365e653ee8fb364d64aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-write v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "bb982af31a22dd3235c673804a37d02eb5a229a4773f365e653ee8fb364d64aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb982af31a22dd3235c673804a37d02eb5a229a4773f365e653ee8fb364d64aa", kill_on_drop: false }`
[INFO] [stdout] bb982af31a22dd3235c673804a37d02eb5a229a4773f365e653ee8fb364d64aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 444b6352580593b20d09ed4bb50c41aedf65f9ad2985ceb36f5fcda929d66209
[INFO] running `Command { std: "docker" "start" "-a" "444b6352580593b20d09ed4bb50c41aedf65f9ad2985ceb36f5fcda929d66209", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-write v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 92 | |     unsafe {
[INFO] [stdout] 93 | |         if let Some(trampoline) = PANIC_HANDLER_GETTER {
[INFO] [stdout] 94 | |             trampoline(PANIC_HANDLER, info);
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |     loop {}
[INFO] [stdout] 98 | | }
[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/b83b707f97d809763b7861afa7638871f3339a33/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.so, /opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-689ca45c0c8af91f.rlib
[INFO] [stdout]    = note: second definition in the local crate (`panic_write`)
[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-write` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "444b6352580593b20d09ed4bb50c41aedf65f9ad2985ceb36f5fcda929d66209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444b6352580593b20d09ed4bb50c41aedf65f9ad2985ceb36f5fcda929d66209", kill_on_drop: false }`
[INFO] [stdout] 444b6352580593b20d09ed4bb50c41aedf65f9ad2985ceb36f5fcda929d66209