[INFO] fetching crate evaltrees 0.1.0... [INFO] checking evaltrees-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate evaltrees 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate evaltrees 0.1.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate evaltrees 0.1.0 [INFO] finished tweaking crates.io crate evaltrees 0.1.0 [INFO] tweaked toml for crates.io crate evaltrees 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string_cache v0.7.5 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.4 [INFO] [stderr] Downloaded lalrpop-util v0.15.2 [INFO] [stderr] Downloaded docopt v0.8.3 [INFO] [stderr] Downloaded atty v0.1.2 [INFO] [stderr] Downloaded spin v0.4.10 [INFO] [stderr] Downloaded ascii-canvas v1.0.0 [INFO] [stderr] Downloaded bit-set v0.4.0 [INFO] [stderr] Downloaded ena v0.5.0 [INFO] [stderr] Downloaded precomputed-hash v0.1.1 [INFO] [stderr] Downloaded strsim v0.6.0 [INFO] [stderr] Downloaded linked_hash_set v0.1.4 [INFO] [stderr] Downloaded regex-syntax v0.4.2 [INFO] [stderr] Downloaded lalrpop-snap v0.15.2 [INFO] [stderr] Downloaded display_attr v0.1.1 [INFO] [stderr] Downloaded symbol v0.1.7 [INFO] [stderr] Downloaded lalrpop v0.15.2 [INFO] [stderr] Downloaded string_cache_codegen v0.4.4 [INFO] [stderr] Downloaded string_cache_shared v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", 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] 336fb53a38b7667c416886218467d16989e4195e9e05a11593590824901edcce [INFO] running `Command { std: "docker" "start" "-a" "336fb53a38b7667c416886218467d16989e4195e9e05a11593590824901edcce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "336fb53a38b7667c416886218467d16989e4195e9e05a11593590824901edcce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "336fb53a38b7667c416886218467d16989e4195e9e05a11593590824901edcce", kill_on_drop: false }` [INFO] [stdout] 336fb53a38b7667c416886218467d16989e4195e9e05a11593590824901edcce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09533c8e9b16a8fbc8b8143e80caffe08f40b16a2ab9a52ea485a226aac8a116 [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" "09533c8e9b16a8fbc8b8143e80caffe08f40b16a2ab9a52ea485a226aac8a116", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling ena v0.5.0 [INFO] [stderr] Compiling lalrpop-util v0.15.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking symbol v0.1.7 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking linked_hash_set v0.1.4 [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 kernel32-sys v0.2.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.1.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling lalrpop-snap v0.15.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling display_attr v0.1.1 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling lalrpop v0.15.2 [INFO] [stderr] Compiling evaltrees v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9607:5 [INFO] [stdout] | [INFO] [stdout] 9607 | (__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] --> src/cst/parser/grammar.rs:9618:5 [INFO] [stdout] | [INFO] [stdout] 9618 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9629:5 [INFO] [stdout] | [INFO] [stdout] 9629 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9640:5 [INFO] [stdout] | [INFO] [stdout] 9640 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9809:5 [INFO] [stdout] | [INFO] [stdout] 9809 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9875:5 [INFO] [stdout] | [INFO] [stdout] 9875 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9912:5 [INFO] [stdout] | [INFO] [stdout] 9912 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9962:5 [INFO] [stdout] | [INFO] [stdout] 9962 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9985:5 [INFO] [stdout] | [INFO] [stdout] 9985 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:10074:5 [INFO] [stdout] | [INFO] [stdout] 10074 | (__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] --> src/cst/parser/grammar.rs:9607:5 [INFO] [stdout] | [INFO] [stdout] 9607 | (__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] --> src/cst/parser/grammar.rs:9618:5 [INFO] [stdout] | [INFO] [stdout] 9618 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9629:5 [INFO] [stdout] | [INFO] [stdout] 9629 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9640:5 [INFO] [stdout] | [INFO] [stdout] 9640 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9809:5 [INFO] [stdout] | [INFO] [stdout] 9809 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9875:5 [INFO] [stdout] | [INFO] [stdout] 9875 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9912:5 [INFO] [stdout] | [INFO] [stdout] 9912 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9962:5 [INFO] [stdout] | [INFO] [stdout] 9962 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9985:5 [INFO] [stdout] | [INFO] [stdout] 9985 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:10074:5 [INFO] [stdout] | [INFO] [stdout] 10074 | (__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: use of deprecated associated function `failure::core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/cst/parser/grammar.rs:9560:36 [INFO] [stdout] | [INFO] [stdout] 9560 | let __text = self.text.trim_left(); [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `failure::core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/cst/parser/grammar.rs:9560:36 [INFO] [stdout] | [INFO] [stdout] 9560 | let __text = self.text.trim_left(); [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 32s [INFO] running `Command { std: "docker" "inspect" "09533c8e9b16a8fbc8b8143e80caffe08f40b16a2ab9a52ea485a226aac8a116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09533c8e9b16a8fbc8b8143e80caffe08f40b16a2ab9a52ea485a226aac8a116", kill_on_drop: false }` [INFO] [stdout] 09533c8e9b16a8fbc8b8143e80caffe08f40b16a2ab9a52ea485a226aac8a116