[INFO] fetching crate rlay-backend 0.3.0... [INFO] checking rlay-backend-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rlay-backend 0.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate rlay-backend 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rlay-backend 0.3.0 [INFO] finished tweaking crates.io crate rlay-backend 0.3.0 [INFO] tweaked toml for crates.io crate rlay-backend 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 89 packages [INFO] [stderr] Adding ambassador v0.2.1 (latest: v0.3.6) [INFO] [stderr] Adding block-buffer v0.3.3 (latest: v0.10.4) [INFO] [stderr] Adding byte-tools v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding crunchy v0.1.6 (latest: v0.2.2) [INFO] [stderr] Adding digest v0.7.6 (latest: v0.10.7) [INFO] [stderr] Adding ethbloom v0.5.3 (latest: v0.13.0) [INFO] [stderr] Adding ethereum-types v0.4.2 (latest: v0.14.1) [INFO] [stderr] Adding fixed-hash v0.2.5 (latest: v0.8.0) [INFO] [stderr] Adding generic-array v0.9.1 (latest: v1.0.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding integer-encoding v1.0.8 (latest: v4.0.0) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding multibase v0.6.0 (latest: v0.9.1) [INFO] [stderr] Adding multihash v0.8.0 (latest: v0.19.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding prost v0.6.1 (latest: v0.12.4) [INFO] [stderr] Adding prost-derive v0.6.1 (latest: v0.12.4) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding serde_cbor v0.10.2 (latest: v0.11.2) [INFO] [stderr] Adding sha1 v0.5.0 (latest: v0.10.6) [INFO] [stderr] Adding sha2 v0.7.1 (latest: v0.10.8) [INFO] [stderr] Adding strum_macros v0.16.0 (latest: v0.26.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding tiny-keccak v1.5.0 (latest: v2.0.2) [INFO] [stderr] Adding uint v0.4.1 (latest: v0.9.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded strum_macros v0.16.0 [INFO] [stderr] Downloaded prost v0.6.1 [INFO] [stderr] Downloaded rlay_ontology v0.2.6 [INFO] [stderr] Downloaded tiny-keccak v1.5.0 [INFO] [stderr] Downloaded rlay_ontology_build v0.2.5 [INFO] [stderr] Downloaded cid_fork_rlay v0.3.1 [INFO] [stderr] Downloaded fixed-hash v0.2.5 [INFO] [stderr] Downloaded ambassador v0.2.1 [INFO] [stderr] Downloaded uint v0.4.1 [INFO] [stderr] Downloaded sha2 v0.7.1 [INFO] [stderr] Downloaded prost-derive v0.6.1 [INFO] [stderr] Downloaded ethbloom v0.5.3 [INFO] [stderr] Downloaded integer-encoding v1.0.8 [INFO] [stderr] Downloaded sha1 v0.5.0 [INFO] [stderr] Downloaded ethereum-types v0.4.2 [INFO] [stderr] Downloaded multibase v0.6.0 [INFO] [stderr] Downloaded multihash v0.8.0 [INFO] [stderr] Downloaded serde_cbor v0.10.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a804d8a2052f3acd9e86d3aa4cc086c69cf4c572d24f992e6f13e35fe754c7dc [INFO] running `Command { std: "docker" "start" "-a" "a804d8a2052f3acd9e86d3aa4cc086c69cf4c572d24f992e6f13e35fe754c7dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a804d8a2052f3acd9e86d3aa4cc086c69cf4c572d24f992e6f13e35fe754c7dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a804d8a2052f3acd9e86d3aa4cc086c69cf4c572d24f992e6f13e35fe754c7dc", kill_on_drop: false }` [INFO] [stdout] a804d8a2052f3acd9e86d3aa4cc086c69cf4c572d24f992e6f13e35fe754c7dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f5de55943d1f57b28bef22b362bdfafcd141b154c277127b6d2fe815bca3604 [INFO] running `Command { std: "docker" "start" "-a" "6f5de55943d1f57b28bef22b362bdfafcd141b154c277127b6d2fe815bca3604", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking tiny-keccak v1.5.0 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Checking sha1 v0.5.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking uint v0.4.1 [INFO] [stderr] Checking multibase v0.6.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking fixed-hash v0.2.5 [INFO] [stderr] Checking ethbloom v0.5.3 [INFO] [stderr] Checking ethereum-types v0.4.2 [INFO] [stderr] Checking generic-array v0.9.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking multihash v0.8.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking serde_cbor v0.10.2 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling ambassador v0.2.1 [INFO] [stderr] Compiling strum_macros v0.16.0 [INFO] [stderr] Compiling rlay_ontology_build v0.2.5 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking integer-encoding v1.0.8 [INFO] [stderr] Checking cid_fork_rlay v0.3.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling rlay_ontology v0.2.6 [INFO] [stderr] Checking prost v0.6.1 [INFO] [stderr] Checking rlay-backend v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.83s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: uint v0.4.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "6f5de55943d1f57b28bef22b362bdfafcd141b154c277127b6d2fe815bca3604", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f5de55943d1f57b28bef22b362bdfafcd141b154c277127b6d2fe815bca3604", kill_on_drop: false }` [INFO] [stdout] 6f5de55943d1f57b28bef22b362bdfafcd141b154c277127b6d2fe815bca3604 [INFO] checking rlay-backend-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate rlay-backend 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate rlay-backend 0.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rlay-backend 0.3.0 [INFO] finished tweaking crates.io crate rlay-backend 0.3.0 [INFO] tweaked toml for crates.io crate rlay-backend 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce321cf7790d06155415971a0af91ad4b595468b6354b7442f8a35d8d126a652 [INFO] running `Command { std: "docker" "start" "-a" "ce321cf7790d06155415971a0af91ad4b595468b6354b7442f8a35d8d126a652", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce321cf7790d06155415971a0af91ad4b595468b6354b7442f8a35d8d126a652", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce321cf7790d06155415971a0af91ad4b595468b6354b7442f8a35d8d126a652", kill_on_drop: false }` [INFO] [stdout] ce321cf7790d06155415971a0af91ad4b595468b6354b7442f8a35d8d126a652 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad28b2042b859726a7060e4422da6e61cd3951be4eb56767990b8ce40699adb2 [INFO] running `Command { std: "docker" "start" "-a" "ad28b2042b859726a7060e4422da6e61cd3951be4eb56767990b8ce40699adb2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Checking tiny-keccak v1.5.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking sha1 v0.5.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking multibase v0.6.0 [INFO] [stderr] Checking uint v0.4.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking fixed-hash v0.2.5 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Checking ethbloom v0.5.3 [INFO] [stderr] Checking ethereum-types v0.4.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking generic-array v0.9.1 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking multihash v0.8.0 [INFO] [stderr] Checking serde_cbor v0.10.2 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking integer-encoding v1.0.8 [INFO] [stderr] Checking cid_fork_rlay v0.3.1 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling strum_macros v0.16.0 [INFO] [stderr] Compiling ambassador v0.2.1 [INFO] [stderr] Compiling rlay_ontology_build v0.2.5 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling rlay_ontology v0.2.6 [INFO] [stderr] Checking prost v0.6.1 [INFO] [stderr] Checking rlay-backend v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.92s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: uint v0.4.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ad28b2042b859726a7060e4422da6e61cd3951be4eb56767990b8ce40699adb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad28b2042b859726a7060e4422da6e61cd3951be4eb56767990b8ce40699adb2", kill_on_drop: false }` [INFO] [stdout] ad28b2042b859726a7060e4422da6e61cd3951be4eb56767990b8ce40699adb2