[INFO] fetching crate portus 0.8.0... [INFO] checking portus-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate portus 0.8.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate portus 0.8.0 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 portus 0.8.0 [INFO] finished tweaking crates.io crate portus 0.8.0 [INFO] tweaked toml for crates.io crate portus 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate portus 0.8.0 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded portus_export v0.2.0 [INFO] [stderr] Downloaded serde_json v1.0.97 [INFO] [stderr] Downloaded clang-sys v1.6.1 [INFO] [stderr] Downloaded bindgen v0.58.1 [INFO] [stderr] Downloaded libccp v1.1.1 [INFO] [stderr] Downloaded minion v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3d0ab1f87371fe3697da2b470f76aaf598a803480a0cb27c75aef35826b9d459 [INFO] running `Command { std: "docker" "start" "-a" "3d0ab1f87371fe3697da2b470f76aaf598a803480a0cb27c75aef35826b9d459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d0ab1f87371fe3697da2b470f76aaf598a803480a0cb27c75aef35826b9d459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0ab1f87371fe3697da2b470f76aaf598a803480a0cb27c75aef35826b9d459", kill_on_drop: false }` [INFO] [stdout] 3d0ab1f87371fe3697da2b470f76aaf598a803480a0cb27c75aef35826b9d459 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c0aafc8f411711904acacce3a11194c6972efce07fa21095e96ec34dcae1d0cf [INFO] running `Command { std: "docker" "start" "-a" "c0aafc8f411711904acacce3a11194c6972efce07fa21095e96ec34dcae1d0cf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling regex-syntax v0.7.2 [INFO] [stderr] Compiling clang-sys v1.6.1 [INFO] [stderr] Compiling nom v5.1.3 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling bindgen v0.58.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.15 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking minion v0.1.3 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking crossbeam v0.8.2 [INFO] [stderr] Checking nix v0.23.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling regex v1.8.4 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling portus_export v0.2.0 [INFO] [stderr] Compiling tracing-attributes v0.1.24 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking portus v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/serialize/mod.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/lang/datapath.rs:428:64 [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); $count + 1} [INFO] [stdout] | ^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] ... [INFO] [stdout] 474 | / expand_reg!( [INFO] [stdout] 475 | | sc; Primitive; [INFO] [stdout] 476 | | "Ack.bytes_acked" => Type::Num(None), [INFO] [stdout] 477 | | "Ack.bytes_misordered" => Type::Num(None), [INFO] [stdout] ... | [INFO] [stdout] 490 | | "Flow.was_timeout" => Type::Bool(None) [INFO] [stdout] 491 | | ); [INFO] [stdout] | |_________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `expand_reg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); let _ = $count + 1;} [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/lang/datapath.rs:428:64 [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); $count + 1} [INFO] [stdout] | ^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] ... [INFO] [stdout] 498 | / expand_reg!( [INFO] [stdout] 499 | | sc; Implicit; [INFO] [stdout] 500 | | "__eventFlag" => Type::Bool(None), [INFO] [stdout] 501 | | "__shouldContinue" => Type::Bool(None), [INFO] [stdout] ... | [INFO] [stdout] 505 | | "Rate" => Type::Num(None) [INFO] [stdout] 506 | | ); [INFO] [stdout] | |_________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `expand_reg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); let _ = $count + 1;} [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling libccp v1.1.1 [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/libccp_integration/mock_datapath.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 61 | pub struct MockConnection( [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 62 | libccp::Connection<'static, MockConnectionState>, [INFO] [stdout] 63 | Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | (), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/libccp_integration/mock_datapath.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 61 | pub struct MockConnection( [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 62 | libccp::Connection<'static, MockConnectionState>, [INFO] [stdout] 63 | Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | (), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/libccp_integration/mock_datapath.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 61 | pub struct MockConnection( [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 62 | libccp::Connection<'static, MockConnectionState>, [INFO] [stdout] 63 | Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | (), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/libccp_integration/mock_datapath.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 61 | pub struct MockConnection( [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 62 | libccp::Connection<'static, MockConnectionState>, [INFO] [stdout] 63 | Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | (), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/libccp_integration/mock_datapath.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 61 | pub struct MockConnection( [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 62 | libccp::Connection<'static, MockConnectionState>, [INFO] [stdout] 63 | Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | (), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/libccp_integration/mock_datapath.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 61 | pub struct MockConnection( [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 62 | libccp::Connection<'static, MockConnectionState>, [INFO] [stdout] 63 | Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | (), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nom` is imported redundantly [INFO] [stdout] --> src/lang/prog.rs:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | use nom; [INFO] [stdout] | ^^^ the item `nom` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/serialize/mod.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/lang/datapath.rs:428:64 [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); $count + 1} [INFO] [stdout] | ^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] ... [INFO] [stdout] 474 | / expand_reg!( [INFO] [stdout] 475 | | sc; Primitive; [INFO] [stdout] 476 | | "Ack.bytes_acked" => Type::Num(None), [INFO] [stdout] 477 | | "Ack.bytes_misordered" => Type::Num(None), [INFO] [stdout] ... | [INFO] [stdout] 490 | | "Flow.was_timeout" => Type::Bool(None) [INFO] [stdout] 491 | | ); [INFO] [stdout] | |_________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `expand_reg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); let _ = $count + 1;} [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/lang/datapath.rs:428:64 [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); $count + 1} [INFO] [stdout] | ^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] ... [INFO] [stdout] 498 | / expand_reg!( [INFO] [stdout] 499 | | sc; Implicit; [INFO] [stdout] 500 | | "__eventFlag" => Type::Bool(None), [INFO] [stdout] 501 | | "__shouldContinue" => Type::Bool(None), [INFO] [stdout] ... | [INFO] [stdout] 505 | | "Rate" => Type::Num(None) [INFO] [stdout] 506 | | ); [INFO] [stdout] | |_________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `expand_reg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 428 | {add_reg!($scope, $headname, $reg, $count, $headtype); let _ = $count + 1;} [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.47s [INFO] running `Command { std: "docker" "inspect" "c0aafc8f411711904acacce3a11194c6972efce07fa21095e96ec34dcae1d0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0aafc8f411711904acacce3a11194c6972efce07fa21095e96ec34dcae1d0cf", kill_on_drop: false }` [INFO] [stdout] c0aafc8f411711904acacce3a11194c6972efce07fa21095e96ec34dcae1d0cf