[INFO] updating cached repository https://github.com/calebzulawski/vellum-lang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c303fe1c281e4e88d4c106f9abe9ddadadf00fe
[INFO] checking calebzulawski/vellum-lang against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebzulawski/vellum-lang on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/calebzulawski/vellum-lang
[INFO] finished tweaking git repo https://github.com/calebzulawski/vellum-lang
[INFO] tweaked toml for git repo https://github.com/calebzulawski/vellum-lang written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/calebzulawski/vellum-lang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2ba7916f0535792920fb420826995f52ca8a0d0757c1517c90b0ef36063d56e
[INFO] running `"docker" "start" "-a" "c2ba7916f0535792920fb420826995f52ca8a0d0757c1517c90b0ef36063d56e"`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling vellum-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2711:5
[INFO] [stderr]      |
[INFO] [stderr] 2711 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2722:5
[INFO] [stderr]      |
[INFO] [stderr] 2722 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2733:5
[INFO] [stderr]      |
[INFO] [stderr] 2733 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2801:5
[INFO] [stderr]      |
[INFO] [stderr] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2711:5
[INFO] [stderr]      |
[INFO] [stderr] 2711 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2722:5
[INFO] [stderr]      |
[INFO] [stderr] 2722 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2733:5
[INFO] [stderr]      |
[INFO] [stderr] 2733 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2801:5
[INFO] [stderr]      |
[INFO] [stderr] 2801 |     { if __0.len() == 1 { __0[0].clone() } else { Expression::List(__0) } }
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         pub fn new() -> AssignParser {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:1251:9
[INFO] [stderr]      |
[INFO] [stderr] 1251 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2127:9
[INFO] [stderr]      |
[INFO] [stderr] 2127 |         pub fn new() -> StmtParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2623:9
[INFO] [stderr]      |
[INFO] [stderr] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         pub fn new() -> AssignParser {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:1251:9
[INFO] [stderr]      |
[INFO] [stderr] 1251 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2127:9
[INFO] [stderr]      |
[INFO] [stderr] 2127 |         pub fn new() -> StmtParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/vellum-lang-50a533292e1f08b8/out/grammar.rs:2623:9
[INFO] [stderr]      |
[INFO] [stderr] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `"docker" "inspect" "c2ba7916f0535792920fb420826995f52ca8a0d0757c1517c90b0ef36063d56e"`
[INFO] running `"docker" "rm" "-f" "c2ba7916f0535792920fb420826995f52ca8a0d0757c1517c90b0ef36063d56e"`
[INFO] [stdout] c2ba7916f0535792920fb420826995f52ca8a0d0757c1517c90b0ef36063d56e