[INFO] cloning repository https://github.com/eazar001/wam-prolog-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eazar001/wam-prolog-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d42eff559a41e53c4f582bd25216c4821832ef0a [INFO] checking eazar001/wam-prolog-in-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eazar001/wam-prolog-in-rust [INFO] finished tweaking git repo https://github.com/eazar001/wam-prolog-in-rust [INFO] tweaked toml for git repo https://github.com/eazar001/wam-prolog-in-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eazar001/wam-prolog-in-rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eazar001/wam-prolog-in-rust 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] beca54e3f170a784debbdfa07d56cca19bb13b99933b03985b9acbd238a1c598 [INFO] running `Command { std: "docker" "start" "-a" "beca54e3f170a784debbdfa07d56cca19bb13b99933b03985b9acbd238a1c598", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "beca54e3f170a784debbdfa07d56cca19bb13b99933b03985b9acbd238a1c598", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "beca54e3f170a784debbdfa07d56cca19bb13b99933b03985b9acbd238a1c598", kill_on_drop: false }` [INFO] [stdout] beca54e3f170a784debbdfa07d56cca19bb13b99933b03985b9acbd238a1c598 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0934027751b478079c05f0420b1a7471d98f42a56bac2183b7661296061acf50 [INFO] running `Command { std: "docker" "start" "-a" "0934027751b478079c05f0420b1a7471d98f42a56bac2183b7661296061acf50", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking lalrpop v0.17.2 [INFO] [stderr] Compiling bfg-prolog v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9783:5 [INFO] [stdout] | [INFO] [stdout] 9783 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9783 - (__0) [INFO] [stdout] 9783 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9794:5 [INFO] [stdout] | [INFO] [stdout] 9794 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9794 - (__0) [INFO] [stdout] 9794 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9805:5 [INFO] [stdout] | [INFO] [stdout] 9805 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9805 - (__0) [INFO] [stdout] 9805 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9816:5 [INFO] [stdout] | [INFO] [stdout] 9816 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9816 - (__0) [INFO] [stdout] 9816 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9827:5 [INFO] [stdout] | [INFO] [stdout] 9827 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9827 - (__0) [INFO] [stdout] 9827 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9838:5 [INFO] [stdout] | [INFO] [stdout] 9838 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9838 - (__0) [INFO] [stdout] 9838 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9849:5 [INFO] [stdout] | [INFO] [stdout] 9849 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9849 - (__0) [INFO] [stdout] 9849 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9860:5 [INFO] [stdout] | [INFO] [stdout] 9860 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9860 - (__0) [INFO] [stdout] 9860 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9783:5 [INFO] [stdout] | [INFO] [stdout] 9783 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9783 - (__0) [INFO] [stdout] 9783 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9794:5 [INFO] [stdout] | [INFO] [stdout] 9794 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9794 - (__0) [INFO] [stdout] 9794 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9805:5 [INFO] [stdout] | [INFO] [stdout] 9805 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9805 - (__0) [INFO] [stdout] 9805 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9816:5 [INFO] [stdout] | [INFO] [stdout] 9816 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9816 - (__0) [INFO] [stdout] 9816 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9827:5 [INFO] [stdout] | [INFO] [stdout] 9827 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9827 - (__0) [INFO] [stdout] 9827 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9838:5 [INFO] [stdout] | [INFO] [stdout] 9838 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9838 - (__0) [INFO] [stdout] 9838 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9849:5 [INFO] [stdout] | [INFO] [stdout] 9849 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9849 - (__0) [INFO] [stdout] 9849 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9860:5 [INFO] [stdout] | [INFO] [stdout] 9860 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9860 - (__0) [INFO] [stdout] 9860 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9871:11 [INFO] [stdout] | [INFO] [stdout] 9871 | Const(__0.parse().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9883:25 [INFO] [stdout] | [INFO] [stdout] 9883 | let s: String = __0.parse().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9899:28 [INFO] [stdout] | [INFO] [stdout] 9899 | let name: String = __0.parse().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bfg-prolog` (lib) due to 3 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9871:11 [INFO] [stdout] | [INFO] [stdout] 9871 | Const(__0.parse().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9883:25 [INFO] [stdout] | [INFO] [stdout] 9883 | let s: String = __0.parse().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> /opt/rustwide/target/debug/build/bfg-prolog-03d723ea1872df4e/out/parser.rs:9899:28 [INFO] [stdout] | [INFO] [stdout] 9899 | let name: String = __0.parse().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bfg-prolog` (lib test) due to 3 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0934027751b478079c05f0420b1a7471d98f42a56bac2183b7661296061acf50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0934027751b478079c05f0420b1a7471d98f42a56bac2183b7661296061acf50", kill_on_drop: false }` [INFO] [stdout] 0934027751b478079c05f0420b1a7471d98f42a56bac2183b7661296061acf50