[INFO] fetching crate lyricer 1.0.3... [INFO] checking lyricer-1.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate lyricer 1.0.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate lyricer 1.0.3 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 lyricer 1.0.3 [INFO] finished tweaking crates.io crate lyricer 1.0.3 [INFO] tweaked toml for crates.io crate lyricer 1.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate lyricer 1.0.3 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 mpris v1.1.2 [INFO] [stderr] Downloaded quote v0.5.2 [INFO] [stderr] Downloaded from_variants_impl v0.3.0 [INFO] [stderr] Downloaded urlencoding v1.1.1 [INFO] [stderr] Downloaded enum-kinds v0.4.1 [INFO] [stderr] Downloaded darling_macro v0.4.0 [INFO] [stderr] Downloaded libdbus-sys v0.2.1 [INFO] [stderr] Downloaded from_variants v0.3.0 [INFO] [stderr] Downloaded derive_is_enum_variant v0.1.1 [INFO] [stderr] Downloaded adler v0.2.3 [INFO] [stderr] Downloaded synstructure v0.12.4 [INFO] [stderr] Downloaded addr2line v0.14.0 [INFO] [stderr] Downloaded darling_core v0.4.0 [INFO] [stderr] Downloaded dbus v0.6.5 [INFO] [stderr] Downloaded miniz_oxide v0.4.3 [INFO] [stderr] Downloaded object v0.22.0 [INFO] [stderr] Downloaded backtrace v0.3.54 [INFO] [stderr] Downloaded syn v0.13.11 [INFO] [stderr] Downloaded darling v0.4.0 [INFO] [stderr] Downloaded error-chain v0.10.0 [INFO] [stderr] Downloaded proc-macro2 v0.3.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0bfcd53eba0edce040ad1fc4312408d05e0b8600afddded4652f9a03bbe86c9a [INFO] running `Command { std: "docker" "start" "-a" "0bfcd53eba0edce040ad1fc4312408d05e0b8600afddded4652f9a03bbe86c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bfcd53eba0edce040ad1fc4312408d05e0b8600afddded4652f9a03bbe86c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bfcd53eba0edce040ad1fc4312408d05e0b8600afddded4652f9a03bbe86c9a", kill_on_drop: false }` [INFO] [stdout] 0bfcd53eba0edce040ad1fc4312408d05e0b8600afddded4652f9a03bbe86c9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f341b6ccb7aba234da64b7d41acdeebe7e4f5d3126c96b8044a72036d87a9683 [INFO] running `Command { std: "docker" "start" "-a" "f341b6ccb7aba234da64b7d41acdeebe7e4f5d3126c96b8044a72036d87a9683", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling derive_is_enum_variant v0.1.1 [INFO] [stderr] Checking dbus v0.6.5 [INFO] [stderr] Checking urlencoding v1.1.1 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling enum-kinds v0.4.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking backtrace v0.3.54 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling darling_core v0.4.0 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling darling_macro v0.4.0 [INFO] [stderr] Compiling darling v0.4.0 [INFO] [stderr] Compiling from_variants_impl v0.3.0 [INFO] [stderr] Checking from_variants v0.3.0 [INFO] [stderr] Checking mpris v1.1.2 [INFO] [stderr] Checking lyricer v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `metadata` is never read [INFO] [stdout] --> src/lyric.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Lyric { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | pub metadata: std::collections::HashMap, Box>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lyric` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `metadata` is never read [INFO] [stdout] --> src/lyric.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Lyric { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | pub metadata: std::collections::HashMap, Box>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lyric` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.59s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.13.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "f341b6ccb7aba234da64b7d41acdeebe7e4f5d3126c96b8044a72036d87a9683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f341b6ccb7aba234da64b7d41acdeebe7e4f5d3126c96b8044a72036d87a9683", kill_on_drop: false }` [INFO] [stdout] f341b6ccb7aba234da64b7d41acdeebe7e4f5d3126c96b8044a72036d87a9683 [INFO] checking lyricer-1.0.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate lyricer 1.0.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate lyricer 1.0.3 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 lyricer 1.0.3 [INFO] finished tweaking crates.io crate lyricer 1.0.3 [INFO] tweaked toml for crates.io crate lyricer 1.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate lyricer 1.0.3 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4dc9d3900defcfa827d3e3ea0f6fd1f4670a6a7e8e0230a68538b2aab8438752 [INFO] running `Command { std: "docker" "start" "-a" "4dc9d3900defcfa827d3e3ea0f6fd1f4670a6a7e8e0230a68538b2aab8438752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dc9d3900defcfa827d3e3ea0f6fd1f4670a6a7e8e0230a68538b2aab8438752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dc9d3900defcfa827d3e3ea0f6fd1f4670a6a7e8e0230a68538b2aab8438752", kill_on_drop: false }` [INFO] [stdout] 4dc9d3900defcfa827d3e3ea0f6fd1f4670a6a7e8e0230a68538b2aab8438752 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b2f6d055b6034a2a67943f2f380eeae7a219a7a27db4d0d76a1b4aaafcb44510 [INFO] running `Command { std: "docker" "start" "-a" "b2f6d055b6034a2a67943f2f380eeae7a219a7a27db4d0d76a1b4aaafcb44510", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking dbus v0.6.5 [INFO] [stderr] Compiling derive_is_enum_variant v0.1.1 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking urlencoding v1.1.1 [INFO] [stderr] Checking backtrace v0.3.54 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling enum-kinds v0.4.1 [INFO] [stderr] Compiling darling_core v0.4.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling darling_macro v0.4.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling darling v0.4.0 [INFO] [stderr] Compiling from_variants_impl v0.3.0 [INFO] [stderr] Checking from_variants v0.3.0 [INFO] [stderr] Checking mpris v1.1.2 [INFO] [stderr] Checking lyricer v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `metadata` is never read [INFO] [stdout] --> src/lyric.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Lyric { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | pub metadata: std::collections::HashMap, Box>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lyric` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `metadata` is never read [INFO] [stdout] --> src/lyric.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Lyric { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | pub metadata: std::collections::HashMap, Box>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lyric` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.13.11 [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" "b2f6d055b6034a2a67943f2f380eeae7a219a7a27db4d0d76a1b4aaafcb44510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2f6d055b6034a2a67943f2f380eeae7a219a7a27db4d0d76a1b4aaafcb44510", kill_on_drop: false }` [INFO] [stdout] b2f6d055b6034a2a67943f2f380eeae7a219a7a27db4d0d76a1b4aaafcb44510