[INFO] fetching crate z3 0.6.0...
[INFO] checking z3-0.6.0 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate z3 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate z3 0.6.0 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate z3 0.6.0
[INFO] finished tweaking crates.io crate z3 0.6.0
[INFO] tweaked toml for crates.io crate z3 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded z3-sys v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e4eddf2c6e672f2db2bfbdf45ac01293c8e9ff925128b0accd6a9bb45f7cf28
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e4eddf2c6e672f2db2bfbdf45ac01293c8e9ff925128b0accd6a9bb45f7cf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e4eddf2c6e672f2db2bfbdf45ac01293c8e9ff925128b0accd6a9bb45f7cf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4eddf2c6e672f2db2bfbdf45ac01293c8e9ff925128b0accd6a9bb45f7cf28", kill_on_drop: false }`
[INFO] [stdout] 7e4eddf2c6e672f2db2bfbdf45ac01293c8e9ff925128b0accd6a9bb45f7cf28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7825a6ca5488d9927ddfe2a4e48fc8719cd4b48321008e1a6b5ce82f5ca34037
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7825a6ca5488d9927ddfe2a4e48fc8719cd4b48321008e1a6b5ce82f5ca34037", kill_on_drop: false }`
[INFO] [stderr]    Compiling z3-sys v0.6.2
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking z3 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "7825a6ca5488d9927ddfe2a4e48fc8719cd4b48321008e1a6b5ce82f5ca34037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7825a6ca5488d9927ddfe2a4e48fc8719cd4b48321008e1a6b5ce82f5ca34037", kill_on_drop: false }`
[INFO] [stdout] 7825a6ca5488d9927ddfe2a4e48fc8719cd4b48321008e1a6b5ce82f5ca34037