[INFO] fetching crate minicov 0.2.2...
[INFO] testing minicov-0.2.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate minicov 0.2.2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate minicov 0.2.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minicov 0.2.2
[INFO] finished tweaking crates.io crate minicov 0.2.2
[INFO] tweaked toml for crates.io crate minicov 0.2.2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 589efa128f7f05c58d9739233cca6ba08b9ab3b8a943dd5918ecea7f6f2c6117
[INFO] running `Command { std: "docker" "start" "-a" "589efa128f7f05c58d9739233cca6ba08b9ab3b8a943dd5918ecea7f6f2c6117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "589efa128f7f05c58d9739233cca6ba08b9ab3b8a943dd5918ecea7f6f2c6117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589efa128f7f05c58d9739233cca6ba08b9ab3b8a943dd5918ecea7f6f2c6117", kill_on_drop: false }`
[INFO] [stdout] 589efa128f7f05c58d9739233cca6ba08b9ab3b8a943dd5918ecea7f6f2c6117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff654543e4e161fe08b71aaca11dabacc40d80a5f854ee172ffdb7797785601d
[INFO] running `Command { std: "docker" "start" "-a" "ff654543e4e161fe08b71aaca11dabacc40d80a5f854ee172ffdb7797785601d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minicov v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "ff654543e4e161fe08b71aaca11dabacc40d80a5f854ee172ffdb7797785601d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff654543e4e161fe08b71aaca11dabacc40d80a5f854ee172ffdb7797785601d", kill_on_drop: false }`
[INFO] [stdout] ff654543e4e161fe08b71aaca11dabacc40d80a5f854ee172ffdb7797785601d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96b739e9cee4fc49a3b5759a7a35da957cedb6b0acee40f756337141447ef980
[INFO] running `Command { std: "docker" "start" "-a" "96b739e9cee4fc49a3b5759a7a35da957cedb6b0acee40f756337141447ef980", kill_on_drop: false }`
[INFO] [stderr]    Compiling minicov v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/minicov-bf76db71b2f4684d)
[INFO] running `Command { std: "docker" "inspect" "96b739e9cee4fc49a3b5759a7a35da957cedb6b0acee40f756337141447ef980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b739e9cee4fc49a3b5759a7a35da957cedb6b0acee40f756337141447ef980", kill_on_drop: false }`
[INFO] [stdout] 96b739e9cee4fc49a3b5759a7a35da957cedb6b0acee40f756337141447ef980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42b10d1ce25acd835e0bec11a6aaa38f9def89ef0fb0c461a6140e0e2eb4cfdd
[INFO] running `Command { std: "docker" "start" "-a" "42b10d1ce25acd835e0bec11a6aaa38f9def89ef0fb0c461a6140e0e2eb4cfdd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minicov-bf76db71b2f4684d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minicov
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 48) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42b10d1ce25acd835e0bec11a6aaa38f9def89ef0fb0c461a6140e0e2eb4cfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b10d1ce25acd835e0bec11a6aaa38f9def89ef0fb0c461a6140e0e2eb4cfdd", kill_on_drop: false }`
[INFO] [stdout] 42b10d1ce25acd835e0bec11a6aaa38f9def89ef0fb0c461a6140e0e2eb4cfdd