[INFO] fetching crate gearley 0.0.4...
[INFO] checking gearley-0.0.4 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate gearley 0.0.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gearley 0.0.4 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gearley 0.0.4
[INFO] finished tweaking crates.io crate gearley 0.0.4
[INFO] tweaked toml for crates.io crate gearley 0.0.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] ac61b407b74f2468b779411fb8b385a21c597992c4b7406dfa7706d975ec5081
[INFO] running `Command { std: "docker" "start" "-a" "ac61b407b74f2468b779411fb8b385a21c597992c4b7406dfa7706d975ec5081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac61b407b74f2468b779411fb8b385a21c597992c4b7406dfa7706d975ec5081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac61b407b74f2468b779411fb8b385a21c597992c4b7406dfa7706d975ec5081", kill_on_drop: false }`
[INFO] [stdout] ac61b407b74f2468b779411fb8b385a21c597992c4b7406dfa7706d975ec5081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb72d0e2933e07e5f3b586d75ff716c2688d30fc04535bb6c3e43e63127223b
[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" "ceb72d0e2933e07e5f3b586d75ff716c2688d30fc04535bb6c3e43e63127223b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking humantime v1.3.0
[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 num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling num-derive v0.3.2
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking optional v0.5.0
[INFO] [stderr]     Checking internship v0.6.0
[INFO] [stderr]     Checking c_lexer v0.1.1
[INFO] [stderr]     Checking bit-matrix v0.6.0
[INFO] [stderr]     Checking cfg v0.5.0
[INFO] [stderr]     Checking gearley v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `nop`
[INFO] [stdout]    --> src/forest/node.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     nop: NopRepr,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nop`
[INFO] [stdout]    --> src/forest/node.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     nop: u16,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nop`
[INFO] [stdout]    --> src/forest/node.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     nop: NopRepr,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nop`
[INFO] [stdout]    --> src/forest/node.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     nop: u16,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gearley::memory_use::MemoryUse`
[INFO] [stdout]   --> benches/benches.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use gearley::memory_use::MemoryUse;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cfg::sequence::Separator::Proper`
[INFO] [stdout]   --> benches/bench_c.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use cfg::sequence::Separator::Proper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NullForest`
[INFO] [stdout]   --> benches/bench_c.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | use gearley::forest::{Bocage, NullForest};
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> benches/bench_c.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         term, identifier, signed, const_, inline, auto, break_, case, char_, continue_, default,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i_str`
[INFO] [stdout]    --> benches/bench_c.rs:386:24
[INFO] [stdout]     |
[INFO] [stdout] 386 |             Identifier(i_str) => Some(identifier),
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_i_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> benches/bench_c.rs:387:28
[INFO] [stdout]     |
[INFO] [stdout] 387 |             NumericLiteral(num) => Some(constant),
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> benches/bench_c.rs:388:27
[INFO] [stdout]     |
[INFO] [stdout] 388 |             StringLiteral(s) => Some(string_literal),
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]    --> benches/bench_c.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         term, identifier, signed, const_, inline, auto, break_, case, char_, continue_, default,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `auto`
[INFO] [stdout]    --> benches/bench_c.rs:347:51
[INFO] [stdout]     |
[INFO] [stdout] 347 |         term, identifier, signed, const_, inline, auto, break_, case, char_, continue_, default,
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_auto`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SYM_NAMES`
[INFO] [stdout]   --> benches/bench_c.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / const SYM_NAMES: &'static [&'static str] = &[
[INFO] [stdout] 23 | |     "term", "identifier", "signed", "const_", "inline", "auto", "break_", "case", "char_", "continue_", "default",
[INFO] [stdout] 24 | |     "do_", "double", "else_", "enum_", "extern_", "float", "for_", "goto", "if_", "int", "long", "register", "return_",
[INFO] [stdout] 25 | |     "short", "sizeof_", "static_", "struct_", "switch", "typedef", "union", "unsigned", "void", "volatile", "while_",
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |     "type_name", "error",
[INFO] [stdout] 54 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AND_expression` should have a snake case name
[INFO] [stdout]   --> benches/bench_c.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 74 |         relational_expression, equality_expression, AND_expression, exclusive_OR_expression,
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `and_expression`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `exclusive_OR_expression` should have a snake case name
[INFO] [stdout]   --> benches/bench_c.rs:74:69
[INFO] [stdout]    |
[INFO] [stdout] 74 |         relational_expression, equality_expression, AND_expression, exclusive_OR_expression,
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `exclusive_or_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inclusive_OR_expression` should have a snake case name
[INFO] [stdout]   --> benches/bench_c.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         inclusive_OR_expression, logical_AND_expression, logical_OR_expression,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `inclusive_or_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `logical_AND_expression` should have a snake case name
[INFO] [stdout]   --> benches/bench_c.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |         inclusive_OR_expression, logical_AND_expression, logical_OR_expression,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `logical_and_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `logical_OR_expression` should have a snake case name
[INFO] [stdout]   --> benches/bench_c.rs:75:58
[INFO] [stdout]    |
[INFO] [stdout] 75 |         inclusive_OR_expression, logical_AND_expression, logical_OR_expression,
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `logical_or_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "ceb72d0e2933e07e5f3b586d75ff716c2688d30fc04535bb6c3e43e63127223b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb72d0e2933e07e5f3b586d75ff716c2688d30fc04535bb6c3e43e63127223b", kill_on_drop: false }`
[INFO] [stdout] ceb72d0e2933e07e5f3b586d75ff716c2688d30fc04535bb6c3e43e63127223b
