[INFO] fetching crate round_robin_tournament 0.3.1... [INFO] building round_robin_tournament-0.3.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate round_robin_tournament 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate round_robin_tournament 0.3.1 [INFO] finished tweaking crates.io crate round_robin_tournament 0.3.1 [INFO] tweaked toml for crates.io crate round_robin_tournament 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate round_robin_tournament 0.3.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14d34d386e15a52f6099abec7aac73dd0f02cfc7937f0f68f8919fe4e78876b3 [INFO] running `Command { std: "docker" "start" "-a" "14d34d386e15a52f6099abec7aac73dd0f02cfc7937f0f68f8919fe4e78876b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14d34d386e15a52f6099abec7aac73dd0f02cfc7937f0f68f8919fe4e78876b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14d34d386e15a52f6099abec7aac73dd0f02cfc7937f0f68f8919fe4e78876b3", kill_on_drop: false }` [INFO] [stdout] 14d34d386e15a52f6099abec7aac73dd0f02cfc7937f0f68f8919fe4e78876b3 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cb9d4bfc9c72dc9d7af4e75b81e8a1909283962f0b3f438b4dd6d6eca475752 [INFO] running `Command { std: "docker" "start" "-a" "2cb9d4bfc9c72dc9d7af4e75b81e8a1909283962f0b3f438b4dd6d6eca475752", kill_on_drop: false }` [INFO] [stderr] Compiling round_robin_tournament v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "2cb9d4bfc9c72dc9d7af4e75b81e8a1909283962f0b3f438b4dd6d6eca475752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cb9d4bfc9c72dc9d7af4e75b81e8a1909283962f0b3f438b4dd6d6eca475752", kill_on_drop: false }` [INFO] [stdout] 2cb9d4bfc9c72dc9d7af4e75b81e8a1909283962f0b3f438b4dd6d6eca475752 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84a068e47417abde076b0804a8c709835d2c33190519bf57c80078a9d5886aa5 [INFO] running `Command { std: "docker" "start" "-a" "84a068e47417abde076b0804a8c709835d2c33190519bf57c80078a9d5886aa5", kill_on_drop: false }` [INFO] [stderr] Compiling round_robin_tournament v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "84a068e47417abde076b0804a8c709835d2c33190519bf57c80078a9d5886aa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84a068e47417abde076b0804a8c709835d2c33190519bf57c80078a9d5886aa5", kill_on_drop: false }` [INFO] [stdout] 84a068e47417abde076b0804a8c709835d2c33190519bf57c80078a9d5886aa5