[INFO] fetching crate vcdiff 0.1.0...
[INFO] checking vcdiff-0.1.0 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate vcdiff 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vcdiff 0.1.0 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vcdiff 0.1.0
[INFO] removed path dependency open-vcdiff-sys from crates.io crate vcdiff 0.1.0
[INFO] finished tweaking crates.io crate vcdiff 0.1.0
[INFO] tweaked toml for crates.io crate vcdiff 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46f0b77ef2dc0b87b3efb44e24e7c4d072a95819f40ae6936c47bec0ecea768b
[INFO] running `Command { std: "docker" "start" "-a" "46f0b77ef2dc0b87b3efb44e24e7c4d072a95819f40ae6936c47bec0ecea768b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f0b77ef2dc0b87b3efb44e24e7c4d072a95819f40ae6936c47bec0ecea768b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f0b77ef2dc0b87b3efb44e24e7c4d072a95819f40ae6936c47bec0ecea768b", kill_on_drop: false }`
[INFO] [stdout] 46f0b77ef2dc0b87b3efb44e24e7c4d072a95819f40ae6936c47bec0ecea768b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 105cf1530623edc45a87f8fb239d3d8a4bf66516b23258aa5a5fbfa17d28cedb
[INFO] running `Command { std: "docker" "start" "-a" "105cf1530623edc45a87f8fb239d3d8a4bf66516b23258aa5a5fbfa17d28cedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling open-vcdiff-sys v0.1.1
[INFO] [stderr]     Checking vcdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / bitflags! {
[INFO] [stdout] 9  | |     pub flags FormatExtension: u32 {
[INFO] [stdout] 10 | |         const FORMAT_STANDARD    = 0b000,
[INFO] [stdout] 11 | |         const FORMAT_INTERLEAVED = 0b001,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / bitflags! {
[INFO] [stdout] 9  | |     pub flags FormatExtension: u32 {
[INFO] [stdout] 10 | |         const FORMAT_STANDARD    = 0b000,
[INFO] [stdout] 11 | |         const FORMAT_INTERLEAVED = 0b001,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / bitflags! {
[INFO] [stdout] 9  | |     pub flags FormatExtension: u32 {
[INFO] [stdout] 10 | |         const FORMAT_STANDARD    = 0b000,
[INFO] [stdout] 11 | |         const FORMAT_INTERLEAVED = 0b001,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / bitflags! {
[INFO] [stdout] 9  | |     pub flags FormatExtension: u32 {
[INFO] [stdout] 10 | |         const FORMAT_STANDARD    = 0b000,
[INFO] [stdout] 11 | |         const FORMAT_INTERLEAVED = 0b001,
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `Command { std: "docker" "inspect" "105cf1530623edc45a87f8fb239d3d8a4bf66516b23258aa5a5fbfa17d28cedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105cf1530623edc45a87f8fb239d3d8a4bf66516b23258aa5a5fbfa17d28cedb", kill_on_drop: false }`
[INFO] [stdout] 105cf1530623edc45a87f8fb239d3d8a4bf66516b23258aa5a5fbfa17d28cedb