[INFO] cloning repository https://github.com/0x4d415249/lemon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x4d415249/lemon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4d415249%2Flemon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4d415249%2Flemon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e5904397877a5ddb7ecaee40ff04151e3234d14
[INFO] checking 0x4d415249/lemon against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x4d415249%2Flemon" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0x4d415249/lemon
[INFO] finished tweaking git repo https://github.com/0x4d415249/lemon
[INFO] tweaked toml for git repo https://github.com/0x4d415249/lemon written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x4d415249/lemon on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x4d415249/lemon 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" "+035b01b794602d5861daa43ac792f372f8981ed7" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2cdc055cfbc5dac8c5041ad2fbfe3175dc8c4750cb84c3eaa25e61fc2cac585
[INFO] running `Command { std: "docker" "start" "-a" "e2cdc055cfbc5dac8c5041ad2fbfe3175dc8c4750cb84c3eaa25e61fc2cac585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2cdc055cfbc5dac8c5041ad2fbfe3175dc8c4750cb84c3eaa25e61fc2cac585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cdc055cfbc5dac8c5041ad2fbfe3175dc8c4750cb84c3eaa25e61fc2cac585", kill_on_drop: false }`
[INFO] [stdout] e2cdc055cfbc5dac8c5041ad2fbfe3175dc8c4750cb84c3eaa25e61fc2cac585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0291f6e26cdba37621af36c96eec63d3a618dbaa70a86b478639b5de3129591f
[INFO] running `Command { std: "docker" "start" "-a" "0291f6e26cdba37621af36c96eec63d3a618dbaa70a86b478639b5de3129591f", kill_on_drop: false }`
[INFO] [stderr]     Checking xtask v0.0.0 (/opt/rustwide/workdir/crates/xtask)
[INFO] [stderr]     Checking lemon v0.0.0 (/opt/rustwide/workdir/crates/lemon)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lemon` (bin "lemon") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> crates/lemon/src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / fn panic(_info: &PanicInfo<'_>) -> ! {
[INFO] [stdout] 25 | |     loop {}
[INFO] [stdout] 26 | | }
[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/035b01b794602d5861daa43ac792f372f8981ed7/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d21d73a0ded86791.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`lemon`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lemon` (bin "lemon" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0291f6e26cdba37621af36c96eec63d3a618dbaa70a86b478639b5de3129591f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0291f6e26cdba37621af36c96eec63d3a618dbaa70a86b478639b5de3129591f", kill_on_drop: false }`
[INFO] [stdout] 0291f6e26cdba37621af36c96eec63d3a618dbaa70a86b478639b5de3129591f
