[INFO] cloning repository https://github.com/remexre/evaltrees [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/evaltrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8746e47ca4b8875f5f822666e8571283adb48a3a [INFO] checking remexre/evaltrees against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fevaltrees" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/remexre/evaltrees on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/remexre/evaltrees [INFO] removed workspace from git repo https://github.com/remexre/evaltrees [INFO] finished tweaking git repo https://github.com/remexre/evaltrees [INFO] tweaked toml for git repo https://github.com/remexre/evaltrees written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/remexre/evaltrees already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44f4192dff365040634d10ff037c26f37614960a0fed1dba236c7c284896cc01 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "44f4192dff365040634d10ff037c26f37614960a0fed1dba236c7c284896cc01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44f4192dff365040634d10ff037c26f37614960a0fed1dba236c7c284896cc01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44f4192dff365040634d10ff037c26f37614960a0fed1dba236c7c284896cc01", kill_on_drop: false }` [INFO] [stdout] 44f4192dff365040634d10ff037c26f37614960a0fed1dba236c7c284896cc01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 469348da1b06d2a466becbe08a10754b980a67aaa7fe90291dfb1d03f17a7185 [INFO] running `Command { std: "docker" "start" "-a" "469348da1b06d2a466becbe08a10754b980a67aaa7fe90291dfb1d03f17a7185", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking symbol v0.1.7 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking linked_hash_set v0.1.4 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling display_attr v0.1.1 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling evaltrees v0.2.0-pre (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11628:5 [INFO] [stdout] | [INFO] [stdout] 11628 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11639:5 [INFO] [stdout] | [INFO] [stdout] 11639 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11650:5 [INFO] [stdout] | [INFO] [stdout] 11650 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11661:5 [INFO] [stdout] | [INFO] [stdout] 11661 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11841:5 [INFO] [stdout] | [INFO] [stdout] 11841 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11907:5 [INFO] [stdout] | [INFO] [stdout] 11907 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11944:5 [INFO] [stdout] | [INFO] [stdout] 11944 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11994:5 [INFO] [stdout] | [INFO] [stdout] 11994 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:12017:5 [INFO] [stdout] | [INFO] [stdout] 12017 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:12106:5 [INFO] [stdout] | [INFO] [stdout] 12106 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/repl.rs:14:40 [INFO] [stdout] | [INFO] [stdout] 14 | Evaluator(fn(Vec>) -> Box), [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11628:5 [INFO] [stdout] | [INFO] [stdout] 11628 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11639:5 [INFO] [stdout] | [INFO] [stdout] 11639 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11650:5 [INFO] [stdout] | [INFO] [stdout] 11650 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11661:5 [INFO] [stdout] | [INFO] [stdout] 11661 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11841:5 [INFO] [stdout] | [INFO] [stdout] 11841 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11907:5 [INFO] [stdout] | [INFO] [stdout] 11907 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11944:5 [INFO] [stdout] | [INFO] [stdout] 11944 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:11994:5 [INFO] [stdout] | [INFO] [stdout] 11994 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:12017:5 [INFO] [stdout] | [INFO] [stdout] 12017 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/evaltrees-2d92aaaf190ead74/out/cst/parser/grammar.rs:12106:5 [INFO] [stdout] | [INFO] [stdout] 12106 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/repl.rs:14:40 [INFO] [stdout] | [INFO] [stdout] 14 | Evaluator(fn(Vec>) -> Box), [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 04s [INFO] running `Command { std: "docker" "inspect" "469348da1b06d2a466becbe08a10754b980a67aaa7fe90291dfb1d03f17a7185", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "469348da1b06d2a466becbe08a10754b980a67aaa7fe90291dfb1d03f17a7185", kill_on_drop: false }` [INFO] [stdout] 469348da1b06d2a466becbe08a10754b980a67aaa7fe90291dfb1d03f17a7185