[INFO] fetching crate count_occurences 1.0.0...
[INFO] testing count_occurences-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate count_occurences 1.0.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate count_occurences 1.0.0 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 count_occurences 1.0.0
[INFO] finished tweaking crates.io crate count_occurences 1.0.0
[INFO] tweaked toml for crates.io crate count_occurences 1.0.0 written to /workspace/builds/worker-50/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] 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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 963a90b3caf2d9df75566c838d725d4dfa8269fb6baa9ce7a3ceb247f9b933f4
[INFO] running `Command { std: "docker" "start" "-a" "963a90b3caf2d9df75566c838d725d4dfa8269fb6baa9ce7a3ceb247f9b933f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963a90b3caf2d9df75566c838d725d4dfa8269fb6baa9ce7a3ceb247f9b933f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963a90b3caf2d9df75566c838d725d4dfa8269fb6baa9ce7a3ceb247f9b933f4", kill_on_drop: false }`
[INFO] [stdout] 963a90b3caf2d9df75566c838d725d4dfa8269fb6baa9ce7a3ceb247f9b933f4
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47cc5fa4b41363d3a3ecbb3ba12b9a0ed6fb85f375d24c2923611f510782b9f4
[INFO] running `Command { std: "docker" "start" "-a" "47cc5fa4b41363d3a3ecbb3ba12b9a0ed6fb85f375d24c2923611f510782b9f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling count_occurences v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "47cc5fa4b41363d3a3ecbb3ba12b9a0ed6fb85f375d24c2923611f510782b9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cc5fa4b41363d3a3ecbb3ba12b9a0ed6fb85f375d24c2923611f510782b9f4", kill_on_drop: false }`
[INFO] [stdout] 47cc5fa4b41363d3a3ecbb3ba12b9a0ed6fb85f375d24c2923611f510782b9f4
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0ee69cab2a86c87b3c1aeed5713415a145772145280ba0841e9ef66b952e60
[INFO] running `Command { std: "docker" "start" "-a" "9e0ee69cab2a86c87b3c1aeed5713415a145772145280ba0841e9ef66b952e60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling count_occurences v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "9e0ee69cab2a86c87b3c1aeed5713415a145772145280ba0841e9ef66b952e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0ee69cab2a86c87b3c1aeed5713415a145772145280ba0841e9ef66b952e60", kill_on_drop: false }`
[INFO] [stdout] 9e0ee69cab2a86c87b3c1aeed5713415a145772145280ba0841e9ef66b952e60
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cdc44a4122fb7bf7327d54aafab87fcc183c13788bd1cab0a9ae21a37083228
[INFO] running `Command { std: "docker" "start" "-a" "3cdc44a4122fb7bf7327d54aafab87fcc183c13788bd1cab0a9ae21a37083228", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/count_occurences-0d395de3a38550a8)
[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" "3cdc44a4122fb7bf7327d54aafab87fcc183c13788bd1cab0a9ae21a37083228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdc44a4122fb7bf7327d54aafab87fcc183c13788bd1cab0a9ae21a37083228", kill_on_drop: false }`
[INFO] [stdout] 3cdc44a4122fb7bf7327d54aafab87fcc183c13788bd1cab0a9ae21a37083228