[INFO] crate smoltcp 0.5.0 is already in cache [INFO] extracting crate smoltcp 0.5.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/smoltcp/0.5.0 [INFO] extracting crate smoltcp 0.5.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/smoltcp/0.5.0 [INFO] validating manifest of smoltcp-0.5.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of smoltcp-0.5.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing smoltcp-0.5.0 [INFO] removed 8 missing examples [INFO] finished frobbing smoltcp-0.5.0 [INFO] frobbed toml for smoltcp-0.5.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/smoltcp/0.5.0/Cargo.toml [INFO] started frobbing smoltcp-0.5.0 [INFO] removed 8 missing examples [INFO] finished frobbing smoltcp-0.5.0 [INFO] frobbed toml for smoltcp-0.5.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/smoltcp/0.5.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking smoltcp-0.5.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/smoltcp/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f07b1dca7237fd54e07ff6f8ad5ecab05a4b2badbb1773bc6299c317a6be6bdb [INFO] running `"docker" "start" "-a" "f07b1dca7237fd54e07ff6f8ad5ecab05a4b2badbb1773bc6299c317a6be6bdb"` [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking managed v0.7.1 [INFO] [stderr] Checking smoltcp v0.5.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/phy/pcap_writer.rs:88:15 [INFO] [stderr] | [INFO] [stderr] 88 | impl> PcapSink for T { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn PcapSink` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/pretty_print.rs:74:30 [INFO] [stderr] | [INFO] [stderr] 74 | fn pretty_print(buffer: &AsRef<[u8]>, fmt: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/pretty_print.rs:81:18 [INFO] [stderr] | [INFO] [stderr] 81 | buffer: &'a AsRef<[u8]>, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/pretty_print.rs:87:50 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn new(prefix: &'static str, buffer: &'a AsRef<[u8]>) -> PrettyPrinter<'a, T> { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ethernet.rs:215:30 [INFO] [stderr] | [INFO] [stderr] 215 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/arp.rs:362:30 [INFO] [stderr] | [INFO] [stderr] 362 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ipv4.rs:668:30 [INFO] [stderr] | [INFO] [stderr] 668 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ipv6.rs:655:30 [INFO] [stderr] | [INFO] [stderr] 655 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/icmpv4.rs:537:30 [INFO] [stderr] | [INFO] [stderr] 537 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/igmp.rs:361:30 [INFO] [stderr] | [INFO] [stderr] 361 | fn pretty_print(buffer: &AsRef<[u8]>, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ndiscoption.rs:593:30 [INFO] [stderr] | [INFO] [stderr] 593 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/udp.rs:280:30 [INFO] [stderr] | [INFO] [stderr] 280 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/tcp.rs:889:30 [INFO] [stderr] | [INFO] [stderr] 889 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/phy/pcap_writer.rs:88:15 [INFO] [stderr] | [INFO] [stderr] 88 | impl> PcapSink for T { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn PcapSink` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/pretty_print.rs:74:30 [INFO] [stderr] | [INFO] [stderr] 74 | fn pretty_print(buffer: &AsRef<[u8]>, fmt: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/pretty_print.rs:81:18 [INFO] [stderr] | [INFO] [stderr] 81 | buffer: &'a AsRef<[u8]>, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/pretty_print.rs:87:50 [INFO] [stderr] | [INFO] [stderr] 87 | pub fn new(prefix: &'static str, buffer: &'a AsRef<[u8]>) -> PrettyPrinter<'a, T> { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ethernet.rs:215:30 [INFO] [stderr] | [INFO] [stderr] 215 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/arp.rs:362:30 [INFO] [stderr] | [INFO] [stderr] 362 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ipv4.rs:668:30 [INFO] [stderr] | [INFO] [stderr] 668 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ipv6.rs:655:30 [INFO] [stderr] | [INFO] [stderr] 655 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/icmpv4.rs:537:30 [INFO] [stderr] | [INFO] [stderr] 537 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/igmp.rs:361:30 [INFO] [stderr] | [INFO] [stderr] 361 | fn pretty_print(buffer: &AsRef<[u8]>, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/ndiscoption.rs:593:30 [INFO] [stderr] | [INFO] [stderr] 593 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/udp.rs:280:30 [INFO] [stderr] | [INFO] [stderr] 280 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/wire/tcp.rs:889:30 [INFO] [stderr] | [INFO] [stderr] 889 | fn pretty_print(buffer: &AsRef<[u8]>, f: &mut fmt::Formatter, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<[u8]>` [INFO] [stderr] [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/socket/raw.rs:177:25 [INFO] [stderr] | [INFO] [stderr] 177 | let mut packet = Ipv6Packet::new_checked(buffer.as_mut())?; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:4:71 [INFO] [stderr] | [INFO] [stderr] 4 | #![cfg_attr(any(feature = "proto-ipv4", feature = "proto-ipv6"), deny(unused))] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[deny(unused_mut)]` implied by `#[deny(unused)]` [INFO] [stderr] [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> src/socket/ref_.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 39 | impl<'a, T: Session + 'a> Ref<'a, T> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 61 | ref_.socket [INFO] [stderr] | ^^^^^^^^^^^ returning this value requires that `*ref_.socket` is borrowed for `'a` [INFO] [stderr] 62 | } [INFO] [stderr] | - here, drop of `ref_` needs exclusive access to `*ref_.socket`, because the type `socket::ref_::Ref<'_, T>` implements the `Drop` trait [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0713`. [INFO] [stderr] error: Could not compile `smoltcp`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: variable does not need to be mutable [INFO] [stderr] --> src/socket/raw.rs:177:25 [INFO] [stderr] | [INFO] [stderr] 177 | let mut packet = Ipv6Packet::new_checked(buffer.as_mut())?; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:4:71 [INFO] [stderr] | [INFO] [stderr] 4 | #![cfg_attr(any(feature = "proto-ipv4", feature = "proto-ipv6"), deny(unused))] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[deny(unused_mut)]` implied by `#[deny(unused)]` [INFO] [stderr] [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> src/socket/ref_.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 39 | impl<'a, T: Session + 'a> Ref<'a, T> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 61 | ref_.socket [INFO] [stderr] | ^^^^^^^^^^^ returning this value requires that `*ref_.socket` is borrowed for `'a` [INFO] [stderr] 62 | } [INFO] [stderr] | - here, drop of `ref_` needs exclusive access to `*ref_.socket`, because the type `socket::ref_::Ref<'_, T>` implements the `Drop` trait [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0713`. [INFO] [stderr] error: Could not compile `smoltcp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f07b1dca7237fd54e07ff6f8ad5ecab05a4b2badbb1773bc6299c317a6be6bdb"` [INFO] running `"docker" "rm" "-f" "f07b1dca7237fd54e07ff6f8ad5ecab05a4b2badbb1773bc6299c317a6be6bdb"` [INFO] [stdout] f07b1dca7237fd54e07ff6f8ad5ecab05a4b2badbb1773bc6299c317a6be6bdb