[INFO] fetching crate yumcha 0.0.1...
[INFO] building yumcha-0.0.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate yumcha 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate yumcha 0.0.1
[INFO] finished tweaking crates.io crate yumcha 0.0.1
[INFO] tweaked toml for crates.io crate yumcha 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yumcha 0.0.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yumcha 0.0.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f47632ae7652e4160be8ecfcc9c67027fc179189df61b45cb211d50068c3e39a
[INFO] running `Command { std: "docker" "start" "-a" "f47632ae7652e4160be8ecfcc9c67027fc179189df61b45cb211d50068c3e39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f47632ae7652e4160be8ecfcc9c67027fc179189df61b45cb211d50068c3e39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47632ae7652e4160be8ecfcc9c67027fc179189df61b45cb211d50068c3e39a", kill_on_drop: false }`
[INFO] [stdout] f47632ae7652e4160be8ecfcc9c67027fc179189df61b45cb211d50068c3e39a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0edced9923d8ab1b9552c63b27ba4940d6e7bc1a4ffa84fbc1cfb1b25f0e2606
[INFO] running `Command { std: "docker" "start" "-a" "0edced9923d8ab1b9552c63b27ba4940d6e7bc1a4ffa84fbc1cfb1b25f0e2606", kill_on_drop: false }`
[INFO] [stderr]    Compiling yumcha v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0edced9923d8ab1b9552c63b27ba4940d6e7bc1a4ffa84fbc1cfb1b25f0e2606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edced9923d8ab1b9552c63b27ba4940d6e7bc1a4ffa84fbc1cfb1b25f0e2606", kill_on_drop: false }`
[INFO] [stdout] 0edced9923d8ab1b9552c63b27ba4940d6e7bc1a4ffa84fbc1cfb1b25f0e2606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f39cb60aee9699f2697402ba18b3b63bf91c936ab47433ff35ab745959c7ab6
[INFO] running `Command { std: "docker" "start" "-a" "8f39cb60aee9699f2697402ba18b3b63bf91c936ab47433ff35ab745959c7ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling yumcha v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "8f39cb60aee9699f2697402ba18b3b63bf91c936ab47433ff35ab745959c7ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f39cb60aee9699f2697402ba18b3b63bf91c936ab47433ff35ab745959c7ab6", kill_on_drop: false }`
[INFO] [stdout] 8f39cb60aee9699f2697402ba18b3b63bf91c936ab47433ff35ab745959c7ab6