[INFO] cloning repository https://github.com/mhallin/socrates [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhallin/socrates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhallin%2Fsocrates", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhallin%2Fsocrates'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d42c034177bc6b6cca63a6634595536944b2065 [INFO] checking mhallin/socrates against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhallin%2Fsocrates" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhallin/socrates 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 git repo https://github.com/mhallin/socrates [INFO] finished tweaking git repo https://github.com/mhallin/socrates [INFO] tweaked toml for git repo https://github.com/mhallin/socrates written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mhallin/socrates 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] 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] Downloading crates ... [INFO] [stderr] Downloaded fd-lock v2.0.0 [INFO] [stderr] Downloaded proc-macro2 v0.3.5 [INFO] [stderr] Downloaded quote v0.5.2 [INFO] [stderr] Downloaded minisat v0.4.4 [INFO] [stderr] Downloaded rustyline v8.2.0 [INFO] [stderr] Downloaded bindgen v0.42.3 [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] 8ca1c6b551a9cf82dc23feb8c658ff47f4705b391de4563597bb73305156afdc [INFO] running `Command { std: "docker" "start" "-a" "8ca1c6b551a9cf82dc23feb8c658ff47f4705b391de4563597bb73305156afdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ca1c6b551a9cf82dc23feb8c658ff47f4705b391de4563597bb73305156afdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ca1c6b551a9cf82dc23feb8c658ff47f4705b391de4563597bb73305156afdc", kill_on_drop: false }` [INFO] [stdout] 8ca1c6b551a9cf82dc23feb8c658ff47f4705b391de4563597bb73305156afdc [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] 7fd137277cfc0f89a38bd95a36f2ef7feca80d4b14ee5dad6581f966c377afdd [INFO] running `Command { std: "docker" "start" "-a" "7fd137277cfc0f89a38bd95a36f2ef7feca80d4b14ee5dad6581f966c377afdd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling clang-sys v0.26.4 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling proc-macro2 v0.3.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling bindgen v0.42.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking socrates-ast v0.1.0 (/opt/rustwide/workdir/socrates-ast) [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking fd-lock v2.0.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking directories v3.0.2 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Checking socrates-errors v0.1.0 (/opt/rustwide/workdir/socrates-errors) [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking lalrpop-util v0.19.6 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Checking socrates-core v0.1.0 (/opt/rustwide/workdir/socrates-core) [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stdout] warning: field `2` is never read [INFO] [stdout] --> socrates-core/src/type_inferencer.rs:37:41 [INFO] [stdout] | [INFO] [stdout] 37 | Identifier(&'i str, IdentifierType, Span), [INFO] [stdout] | ---------- field in this variant ^^^^ [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] 37 | Identifier(&'i str, IdentifierType, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> socrates-core/src/types.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | pub struct Predicate<'i> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 40 | name: &'i str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Predicate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling lalrpop v0.19.6 [INFO] [stderr] Checking rustyline v8.2.0 [INFO] [stderr] Compiling minisat v0.4.4 [INFO] [stderr] Compiling socrates-parser v0.1.0 (/opt/rustwide/workdir/socrates-parser) [INFO] [stdout] warning: associated function `to_triple` is never used [INFO] [stdout] --> /opt/rustwide/target/debug/build/socrates-parser-c50e2a606916a936/out/parser.rs:22374:8 [INFO] [stdout] | [INFO] [stdout] 22373 | pub trait __ToTriple<'input, 'err, > { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 22374 | fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError, &'static str>>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `to_triple` is never used [INFO] [stdout] --> /opt/rustwide/target/debug/build/socrates-parser-c50e2a606916a936/out/parser.rs:22374:8 [INFO] [stdout] | [INFO] [stdout] 22373 | pub trait __ToTriple<'input, 'err, > { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 22374 | fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError, &'static str>>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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] Checking socrates-cli v0.1.0 (/opt/rustwide/workdir/socrates-cli) [INFO] [stdout] warning: field `2` is never read [INFO] [stdout] --> socrates-core/src/type_inferencer.rs:37:41 [INFO] [stdout] | [INFO] [stdout] 37 | Identifier(&'i str, IdentifierType, Span), [INFO] [stdout] | ---------- field in this variant ^^^^ [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] 37 | Identifier(&'i str, IdentifierType, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> socrates-core/src/types.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | pub struct Predicate<'i> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 40 | name: &'i str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Predicate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.41s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, lalrpop v0.19.6, nom v4.2.3 [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" "7fd137277cfc0f89a38bd95a36f2ef7feca80d4b14ee5dad6581f966c377afdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fd137277cfc0f89a38bd95a36f2ef7feca80d4b14ee5dad6581f966c377afdd", kill_on_drop: false }` [INFO] [stdout] 7fd137277cfc0f89a38bd95a36f2ef7feca80d4b14ee5dad6581f966c377afdd