[INFO] fetching crate rure 0.2.1...
[INFO] testing rure-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rure 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rure 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rure 0.2.1
[INFO] finished tweaking crates.io crate rure 0.2.1
[INFO] tweaked toml for crates.io crate rure 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc5755757d30c290726c5d1631c1bf65d0aa18fb4784d846a3681ee1d75da4a
[INFO] running `Command { std: "docker" "start" "-a" "2dc5755757d30c290726c5d1631c1bf65d0aa18fb4784d846a3681ee1d75da4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc5755757d30c290726c5d1631c1bf65d0aa18fb4784d846a3681ee1d75da4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc5755757d30c290726c5d1631c1bf65d0aa18fb4784d846a3681ee1d75da4a", kill_on_drop: false }`
[INFO] [stdout] 2dc5755757d30c290726c5d1631c1bf65d0aa18fb4784d846a3681ee1d75da4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15bcd059cfab0198e78e3828f4ad3fabd64869abf555b81d4b79e73a8d45b95f
[INFO] running `Command { std: "docker" "start" "-a" "15bcd059cfab0198e78e3828f4ad3fabd64869abf555b81d4b79e73a8d45b95f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rure v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "15bcd059cfab0198e78e3828f4ad3fabd64869abf555b81d4b79e73a8d45b95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bcd059cfab0198e78e3828f4ad3fabd64869abf555b81d4b79e73a8d45b95f", kill_on_drop: false }`
[INFO] [stdout] 15bcd059cfab0198e78e3828f4ad3fabd64869abf555b81d4b79e73a8d45b95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41791ba56980bcfeca9c86d1ade6a1594912b056ea730968f13d3aacad589b8d
[INFO] running `Command { std: "docker" "start" "-a" "41791ba56980bcfeca9c86d1ade6a1594912b056ea730968f13d3aacad589b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rure v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "41791ba56980bcfeca9c86d1ade6a1594912b056ea730968f13d3aacad589b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41791ba56980bcfeca9c86d1ade6a1594912b056ea730968f13d3aacad589b8d", kill_on_drop: false }`
[INFO] [stdout] 41791ba56980bcfeca9c86d1ade6a1594912b056ea730968f13d3aacad589b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76eb0a9d40dcb415140cf9717482f1b6132eb50945cb91e0c5d7249b7e68393b
[INFO] running `Command { std: "docker" "start" "-a" "76eb0a9d40dcb415140cf9717482f1b6132eb50945cb91e0c5d7249b7e68393b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[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]      Running unittests (/opt/rustwide/target/debug/deps/rure-7f6082d19b17ae89)
[INFO] running `Command { std: "docker" "inspect" "76eb0a9d40dcb415140cf9717482f1b6132eb50945cb91e0c5d7249b7e68393b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76eb0a9d40dcb415140cf9717482f1b6132eb50945cb91e0c5d7249b7e68393b", kill_on_drop: false }`
[INFO] [stdout] 76eb0a9d40dcb415140cf9717482f1b6132eb50945cb91e0c5d7249b7e68393b