[INFO] fetching crate free-ranges 1.0.7...
[INFO] testing free-ranges-1.0.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate free-ranges 1.0.7 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate free-ranges 1.0.7 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 free-ranges 1.0.7
[INFO] finished tweaking crates.io crate free-ranges 1.0.7
[INFO] tweaked toml for crates.io crate free-ranges 1.0.7 written to /workspace/builds/worker-106/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 4355b62df18f6ebbb7e34307ca65baf8df25f06c9d5b4ef326a1f78562f2ada9
[INFO] running `Command { std: "docker" "start" "-a" "4355b62df18f6ebbb7e34307ca65baf8df25f06c9d5b4ef326a1f78562f2ada9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4355b62df18f6ebbb7e34307ca65baf8df25f06c9d5b4ef326a1f78562f2ada9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4355b62df18f6ebbb7e34307ca65baf8df25f06c9d5b4ef326a1f78562f2ada9", kill_on_drop: false }`
[INFO] [stdout] 4355b62df18f6ebbb7e34307ca65baf8df25f06c9d5b4ef326a1f78562f2ada9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 8c0598c18ce19df78faa39a180b8aaa7080811028f8292acc31b28996905a5fc
[INFO] running `Command { std: "docker" "start" "-a" "8c0598c18ce19df78faa39a180b8aaa7080811028f8292acc31b28996905a5fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-ranges v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "8c0598c18ce19df78faa39a180b8aaa7080811028f8292acc31b28996905a5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0598c18ce19df78faa39a180b8aaa7080811028f8292acc31b28996905a5fc", kill_on_drop: false }`
[INFO] [stdout] 8c0598c18ce19df78faa39a180b8aaa7080811028f8292acc31b28996905a5fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 090147aba28994c36f84cabf3ba3936e09de02310d4984cc90d3ee6eb13147c8
[INFO] running `Command { std: "docker" "start" "-a" "090147aba28994c36f84cabf3ba3936e09de02310d4984cc90d3ee6eb13147c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-ranges v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "090147aba28994c36f84cabf3ba3936e09de02310d4984cc90d3ee6eb13147c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090147aba28994c36f84cabf3ba3936e09de02310d4984cc90d3ee6eb13147c8", kill_on_drop: false }`
[INFO] [stdout] 090147aba28994c36f84cabf3ba3936e09de02310d4984cc90d3ee6eb13147c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 8ba8674f8fcfe4415c457a1b8db44aa243ab1f865558548d68ecbe56c6212bcb
[INFO] running `Command { std: "docker" "start" "-a" "8ba8674f8fcfe4415c457a1b8db44aa243ab1f865558548d68ecbe56c6212bcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/free_ranges-68e8c35bea3e7936)
[INFO] [stderr]    Doc-tests free-ranges
[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] [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" "8ba8674f8fcfe4415c457a1b8db44aa243ab1f865558548d68ecbe56c6212bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba8674f8fcfe4415c457a1b8db44aa243ab1f865558548d68ecbe56c6212bcb", kill_on_drop: false }`
[INFO] [stdout] 8ba8674f8fcfe4415c457a1b8db44aa243ab1f865558548d68ecbe56c6212bcb