[INFO] fetching crate data_nostd 0.1.0...
[INFO] testing data_nostd-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate data_nostd 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate data_nostd 0.1.0
[INFO] finished tweaking crates.io crate data_nostd 0.1.0
[INFO] tweaked toml for crates.io crate data_nostd 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate data_nostd 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 077dd2181528eb8ec850f6e34893a7f31173639ccd7b2b75c6750252e3e70e38
[INFO] running `Command { std: "docker" "start" "-a" "077dd2181528eb8ec850f6e34893a7f31173639ccd7b2b75c6750252e3e70e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077dd2181528eb8ec850f6e34893a7f31173639ccd7b2b75c6750252e3e70e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077dd2181528eb8ec850f6e34893a7f31173639ccd7b2b75c6750252e3e70e38", kill_on_drop: false }`
[INFO] [stdout] 077dd2181528eb8ec850f6e34893a7f31173639ccd7b2b75c6750252e3e70e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3d2ba4f20b11d5035234a76b06eb996a678eee6e12ec8ded6965223684bb07b9
[INFO] running `Command { std: "docker" "start" "-a" "3d2ba4f20b11d5035234a76b06eb996a678eee6e12ec8ded6965223684bb07b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "3d2ba4f20b11d5035234a76b06eb996a678eee6e12ec8ded6965223684bb07b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2ba4f20b11d5035234a76b06eb996a678eee6e12ec8ded6965223684bb07b9", kill_on_drop: false }`
[INFO] [stdout] 3d2ba4f20b11d5035234a76b06eb996a678eee6e12ec8ded6965223684bb07b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c844939bf179036b6a5bb36cf6bf085c90f8bd3805b70761be00a3a2ff87cf2d
[INFO] running `Command { std: "docker" "start" "-a" "c844939bf179036b6a5bb36cf6bf085c90f8bd3805b70761be00a3a2ff87cf2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 79 | |     loop {} //Something should be done with this
[INFO] [stdout] 80 | | }
[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 (`data_nostd`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_nostd` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c844939bf179036b6a5bb36cf6bf085c90f8bd3805b70761be00a3a2ff87cf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c844939bf179036b6a5bb36cf6bf085c90f8bd3805b70761be00a3a2ff87cf2d", kill_on_drop: false }`
[INFO] [stdout] c844939bf179036b6a5bb36cf6bf085c90f8bd3805b70761be00a3a2ff87cf2d