[INFO] cloning repository https://github.com/degaart/polnareff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/degaart/polnareff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdegaart%2Fpolnareff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdegaart%2Fpolnareff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61df82aa8cfbad2f171b89597115c818dcf376d0
[INFO] checking degaart/polnareff against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdegaart%2Fpolnareff" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/degaart/polnareff on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/degaart/polnareff
[INFO] finished tweaking git repo https://github.com/degaart/polnareff
[INFO] tweaked toml for git repo https://github.com/degaart/polnareff written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/degaart/polnareff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40df060a26473ab765d4f1852745ac79f1ec7757844fbe975910ba4f234ea9a
[INFO] running `Command { std: "docker" "start" "-a" "c40df060a26473ab765d4f1852745ac79f1ec7757844fbe975910ba4f234ea9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40df060a26473ab765d4f1852745ac79f1ec7757844fbe975910ba4f234ea9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40df060a26473ab765d4f1852745ac79f1ec7757844fbe975910ba4f234ea9a", kill_on_drop: false }`
[INFO] [stdout] c40df060a26473ab765d4f1852745ac79f1ec7757844fbe975910ba4f234ea9a
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0eedf085cfd5dad242587437dbf2a959b56961c9fc4d9aa26775874a51a0c8a
[INFO] running `Command { std: "docker" "start" "-a" "f0eedf085cfd5dad242587437dbf2a959b56961c9fc4d9aa26775874a51a0c8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling polnareff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / fn panic(info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 19 | |     println!("\n*** PANIC***\n{}", info);
[INFO] [stdout] 20 | |     exit_qemu(2);
[INFO] [stdout] 21 | | }
[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/121a90d34197f711021eeb158e7f4184b8be8ceb/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5024342751ec4fae.rlib
[INFO] [stdout]    = note: second definition in the local crate (`polnareff`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polnareff` (bin "polnareff" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f0eedf085cfd5dad242587437dbf2a959b56961c9fc4d9aa26775874a51a0c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0eedf085cfd5dad242587437dbf2a959b56961c9fc4d9aa26775874a51a0c8a", kill_on_drop: false }`
[INFO] [stdout] f0eedf085cfd5dad242587437dbf2a959b56961c9fc4d9aa26775874a51a0c8a