[INFO] fetching crate backing 0.0.0...
[INFO] testing backing-0.0.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate backing 0.0.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate backing 0.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backing 0.0.0
[INFO] finished tweaking crates.io crate backing 0.0.0
[INFO] tweaked toml for crates.io crate backing 0.0.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60f490938d4dc49bbf260b2717d8a08c2d23fc9ebc2d7a943b481eb3b872943b
[INFO] running `Command { std: "docker" "start" "-a" "60f490938d4dc49bbf260b2717d8a08c2d23fc9ebc2d7a943b481eb3b872943b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f490938d4dc49bbf260b2717d8a08c2d23fc9ebc2d7a943b481eb3b872943b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f490938d4dc49bbf260b2717d8a08c2d23fc9ebc2d7a943b481eb3b872943b", kill_on_drop: false }`
[INFO] [stdout] 60f490938d4dc49bbf260b2717d8a08c2d23fc9ebc2d7a943b481eb3b872943b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b88d355d91cf3caffafb27c6a656a963907ca70ec81b5570d6887f0a4186d61
[INFO] running `Command { std: "docker" "start" "-a" "0b88d355d91cf3caffafb27c6a656a963907ca70ec81b5570d6887f0a4186d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling backing v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "0b88d355d91cf3caffafb27c6a656a963907ca70ec81b5570d6887f0a4186d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b88d355d91cf3caffafb27c6a656a963907ca70ec81b5570d6887f0a4186d61", kill_on_drop: false }`
[INFO] [stdout] 0b88d355d91cf3caffafb27c6a656a963907ca70ec81b5570d6887f0a4186d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b014fe492e1a0ea23f70c26ae4cea56fcef643b447d48a67eb4dab73a9a13c3
[INFO] running `Command { std: "docker" "start" "-a" "0b014fe492e1a0ea23f70c26ae4cea56fcef643b447d48a67eb4dab73a9a13c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling backing v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "0b014fe492e1a0ea23f70c26ae4cea56fcef643b447d48a67eb4dab73a9a13c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b014fe492e1a0ea23f70c26ae4cea56fcef643b447d48a67eb4dab73a9a13c3", kill_on_drop: false }`
[INFO] [stdout] 0b014fe492e1a0ea23f70c26ae4cea56fcef643b447d48a67eb4dab73a9a13c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d86b53a05f9424cb184b2983b6647680bc82694fabb2891f99ebd27d9145641d
[INFO] running `Command { std: "docker" "start" "-a" "d86b53a05f9424cb184b2983b6647680bc82694fabb2891f99ebd27d9145641d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backing-7475ab9d576fd14a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backing
[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" "d86b53a05f9424cb184b2983b6647680bc82694fabb2891f99ebd27d9145641d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86b53a05f9424cb184b2983b6647680bc82694fabb2891f99ebd27d9145641d", kill_on_drop: false }`
[INFO] [stdout] d86b53a05f9424cb184b2983b6647680bc82694fabb2891f99ebd27d9145641d
