[INFO] fetching crate rustbuddy 0.1.0...
[INFO] testing rustbuddy-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rustbuddy 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustbuddy 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustbuddy 0.1.0
[INFO] finished tweaking crates.io crate rustbuddy 0.1.0
[INFO] tweaked toml for crates.io crate rustbuddy 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 354ed8f2ea934c3ad0b8d7455ede94f1e421511651c486dcd1216ce97bea89bf
[INFO] running `Command { std: "docker" "start" "-a" "354ed8f2ea934c3ad0b8d7455ede94f1e421511651c486dcd1216ce97bea89bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354ed8f2ea934c3ad0b8d7455ede94f1e421511651c486dcd1216ce97bea89bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354ed8f2ea934c3ad0b8d7455ede94f1e421511651c486dcd1216ce97bea89bf", kill_on_drop: false }`
[INFO] [stdout] 354ed8f2ea934c3ad0b8d7455ede94f1e421511651c486dcd1216ce97bea89bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3eaa5eaa5df4fcc110512f1eb7af7a2d6ab4b325691df26666cd7d52c363b40
[INFO] running `Command { std: "docker" "start" "-a" "b3eaa5eaa5df4fcc110512f1eb7af7a2d6ab4b325691df26666cd7d52c363b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbuddy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "b3eaa5eaa5df4fcc110512f1eb7af7a2d6ab4b325691df26666cd7d52c363b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3eaa5eaa5df4fcc110512f1eb7af7a2d6ab4b325691df26666cd7d52c363b40", kill_on_drop: false }`
[INFO] [stdout] b3eaa5eaa5df4fcc110512f1eb7af7a2d6ab4b325691df26666cd7d52c363b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5159793df58b5d67f0b4f6edf7cad2691a2f090ef22d8525b2b1e39adde7960
[INFO] running `Command { std: "docker" "start" "-a" "a5159793df58b5d67f0b4f6edf7cad2691a2f090ef22d8525b2b1e39adde7960", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbuddy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "a5159793df58b5d67f0b4f6edf7cad2691a2f090ef22d8525b2b1e39adde7960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5159793df58b5d67f0b4f6edf7cad2691a2f090ef22d8525b2b1e39adde7960", kill_on_drop: false }`
[INFO] [stdout] a5159793df58b5d67f0b4f6edf7cad2691a2f090ef22d8525b2b1e39adde7960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d4cebe636fcdfc62a1be21707d693056d74685bda4941f253656a4a995e2540
[INFO] running `Command { std: "docker" "start" "-a" "5d4cebe636fcdfc62a1be21707d693056d74685bda4941f253656a4a995e2540", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustbuddy-4bd55baea2f306f3)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rustbuddy_test.rs (/opt/rustwide/target/debug/deps/rustbuddy_test-b4b22b305db93a1b)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_creates_a_new_instance ... ok
[INFO] [stdout] test it_allocates_and_frees_many_blocks ... ok
[INFO] [stdout] test it_allocates_one_block ... ok
[INFO] [stdout] test it_frees_one_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustbuddy
[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] running `Command { std: "docker" "inspect" "5d4cebe636fcdfc62a1be21707d693056d74685bda4941f253656a4a995e2540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4cebe636fcdfc62a1be21707d693056d74685bda4941f253656a4a995e2540", kill_on_drop: false }`
[INFO] [stdout] 5d4cebe636fcdfc62a1be21707d693056d74685bda4941f253656a4a995e2540