[INFO] cloning repository https://github.com/ognevny/billion_loops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ognevny/billion_loops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fognevny%2Fbillion_loops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fognevny%2Fbillion_loops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 289d02458c00ac3ed67082eeedcd98820a699314
[INFO] checking ognevny/billion_loops against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fognevny%2Fbillion_loops" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ognevny/billion_loops on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ognevny/billion_loops
[INFO] finished tweaking git repo https://github.com/ognevny/billion_loops
[INFO] tweaked toml for git repo https://github.com/ognevny/billion_loops written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ognevny/billion_loops 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd5bb4325eaf5232708c8c3981ea62a2c50c931326e7df474704166ce1c0d05b
[INFO] running `Command { std: "docker" "start" "-a" "dd5bb4325eaf5232708c8c3981ea62a2c50c931326e7df474704166ce1c0d05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd5bb4325eaf5232708c8c3981ea62a2c50c931326e7df474704166ce1c0d05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5bb4325eaf5232708c8c3981ea62a2c50c931326e7df474704166ce1c0d05b", kill_on_drop: false }`
[INFO] [stdout] dd5bb4325eaf5232708c8c3981ea62a2c50c931326e7df474704166ce1c0d05b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79cdf8c4abda803e23acf769b2435801a1276ff29a2d65a1663173d94ceb7c84
[INFO] running `Command { std: "docker" "start" "-a" "79cdf8c4abda803e23acf769b2435801a1276ff29a2d65a1663173d94ceb7c84", kill_on_drop: false }`
[INFO] [stderr]     Checking bl_rs-no-core v0.0.0 (/opt/rustwide/workdir/rust-no-core)
[INFO] [stderr]     Checking bl_rs v0.0.0 (/opt/rustwide/workdir/rust)
[INFO] [stdout] error[E0152]: found duplicate lang item `sized`
[INFO] [stdout]   --> rust-no-core/src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait Sized {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `core` (which `std` depends on)
[INFO] [stdout]    = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/901e6d56697c79b2e80df6a487b2318ec6f57ee3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2aeff126d727b037.rlib
[INFO] [stdout]    = note: second definition in the local crate (`bl_rs_no_core`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bl_rs-no-core` (bin "bl_rs-no-core" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "79cdf8c4abda803e23acf769b2435801a1276ff29a2d65a1663173d94ceb7c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cdf8c4abda803e23acf769b2435801a1276ff29a2d65a1663173d94ceb7c84", kill_on_drop: false }`
[INFO] [stdout] 79cdf8c4abda803e23acf769b2435801a1276ff29a2d65a1663173d94ceb7c84