[INFO] fetching crate brownstone 1.0.1...
[INFO] testing brownstone-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate brownstone 1.0.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate brownstone 1.0.1 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 brownstone 1.0.1
[INFO] finished tweaking crates.io crate brownstone 1.0.1
[INFO] tweaked toml for crates.io crate brownstone 1.0.1 written to /workspace/builds/worker-31/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 2ec626131d23a7e8e3753467e207188bcd944c8b90bfe6b20829a40646d47a8f
[INFO] running `Command { std: "docker" "start" "-a" "2ec626131d23a7e8e3753467e207188bcd944c8b90bfe6b20829a40646d47a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec626131d23a7e8e3753467e207188bcd944c8b90bfe6b20829a40646d47a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec626131d23a7e8e3753467e207188bcd944c8b90bfe6b20829a40646d47a8f", kill_on_drop: false }`
[INFO] [stdout] 2ec626131d23a7e8e3753467e207188bcd944c8b90bfe6b20829a40646d47a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 4238eed8ad6d4d186c19bb6ce3df59228f6250ae45fdd17343eb49c90ddc6a4a
[INFO] running `Command { std: "docker" "start" "-a" "4238eed8ad6d4d186c19bb6ce3df59228f6250ae45fdd17343eb49c90ddc6a4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling brownstone v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "4238eed8ad6d4d186c19bb6ce3df59228f6250ae45fdd17343eb49c90ddc6a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4238eed8ad6d4d186c19bb6ce3df59228f6250ae45fdd17343eb49c90ddc6a4a", kill_on_drop: false }`
[INFO] [stdout] 4238eed8ad6d4d186c19bb6ce3df59228f6250ae45fdd17343eb49c90ddc6a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 6cc503fb4df4de8d827cf8c500dd1cba7df46d487bb94ea135757831627c034a
[INFO] running `Command { std: "docker" "start" "-a" "6cc503fb4df4de8d827cf8c500dd1cba7df46d487bb94ea135757831627c034a", kill_on_drop: false }`
[INFO] [stderr]    Compiling brownstone v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "6cc503fb4df4de8d827cf8c500dd1cba7df46d487bb94ea135757831627c034a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc503fb4df4de8d827cf8c500dd1cba7df46d487bb94ea135757831627c034a", kill_on_drop: false }`
[INFO] [stdout] 6cc503fb4df4de8d827cf8c500dd1cba7df46d487bb94ea135757831627c034a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 2a00028c5cbde204111472ec28e95fa20370a67072750408340bc8dffbe58d52
[INFO] running `Command { std: "docker" "start" "-a" "2a00028c5cbde204111472ec28e95fa20370a67072750408340bc8dffbe58d52", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brownstone-3fec72b9475014c7)
[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 brownstone
[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" "2a00028c5cbde204111472ec28e95fa20370a67072750408340bc8dffbe58d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a00028c5cbde204111472ec28e95fa20370a67072750408340bc8dffbe58d52", kill_on_drop: false }`
[INFO] [stdout] 2a00028c5cbde204111472ec28e95fa20370a67072750408340bc8dffbe58d52