[INFO] fetching crate varisat-cli 0.2.1... [INFO] checking varisat-cli-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate varisat-cli 0.2.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate varisat-cli 0.2.1 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 varisat-cli 0.2.1 [INFO] finished tweaking crates.io crate varisat-cli 0.2.1 [INFO] tweaked toml for crates.io crate varisat-cli 0.2.1 written to /workspace/builds/worker-4-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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 70 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.3) [INFO] [stderr] Adding hashbrown v0.3.1 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding ordered-float v1.1.1 (latest: v4.2.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.10.2 (latest: v0.13.1) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding varisat v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding varisat-checker v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding varisat-dimacs v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding varisat-formula v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding varisat-internal-macros v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding varisat-internal-proof v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding varisat-lrat v0.2.1 (latest: v0.2.2) [INFO] [stderr] Adding vec_mut_scan v0.1.0 (latest: v0.5.0) [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 varisat-formula v0.2.1 [INFO] [stderr] Downloaded vec_mut_scan v0.1.0 [INFO] [stderr] Downloaded varisat-checker v0.2.1 [INFO] [stderr] Downloaded varisat v0.2.1 [INFO] [stderr] Downloaded partial_ref_derive v0.3.3 [INFO] [stderr] Downloaded varisat-internal-macros v0.2.1 [INFO] [stderr] Downloaded partial_ref v0.3.3 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded varisat-dimacs v0.2.1 [INFO] [stderr] Downloaded varisat-internal-proof v0.2.1 [INFO] [stderr] Downloaded varisat-lrat v0.2.1 [INFO] [stderr] Downloaded hashbrown v0.3.1 [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] d5f51c1a025b69bbd0039f1a6afd27329da9b530aa243de96f919ba5b0017d8b [INFO] running `Command { std: "docker" "start" "-a" "d5f51c1a025b69bbd0039f1a6afd27329da9b530aa243de96f919ba5b0017d8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5f51c1a025b69bbd0039f1a6afd27329da9b530aa243de96f919ba5b0017d8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5f51c1a025b69bbd0039f1a6afd27329da9b530aa243de96f919ba5b0017d8b", kill_on_drop: false }` [INFO] [stdout] d5f51c1a025b69bbd0039f1a6afd27329da9b530aa243de96f919ba5b0017d8b [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] dcdedff48d2508e87a4a7cfc89489fa59bcad88889654dbb8fe8514b1506fbea [INFO] running `Command { std: "docker" "start" "-a" "dcdedff48d2508e87a4a7cfc89489fa59bcad88889654dbb8fe8514b1506fbea", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking varisat-formula v0.2.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking hashbrown v0.3.1 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking varisat-dimacs v0.2.1 [INFO] [stderr] Checking varisat-internal-proof v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking varisat-checker v0.2.1 [INFO] [stderr] Compiling partial_ref_derive v0.3.3 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking leb128 v0.2.5 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking vec_mut_scan v0.1.0 [INFO] [stderr] Compiling varisat-cli v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling varisat v0.2.1 [INFO] [stderr] Checking partial_ref v0.3.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking varisat-lrat v0.2.1 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling varisat-internal-macros v0.2.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:44:39 [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:135:38 [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:140:39 [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/check.rs:44:39 [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 44 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:135:38 [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 135 | &mut opened_file as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:140:39 [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut io::Read [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 140 | &mut locked_stdin as &mut dyn io::Read [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.05s [INFO] running `Command { std: "docker" "inspect" "dcdedff48d2508e87a4a7cfc89489fa59bcad88889654dbb8fe8514b1506fbea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcdedff48d2508e87a4a7cfc89489fa59bcad88889654dbb8fe8514b1506fbea", kill_on_drop: false }` [INFO] [stdout] dcdedff48d2508e87a4a7cfc89489fa59bcad88889654dbb8fe8514b1506fbea