[INFO] cloning repository https://github.com/calebzulawski/vellum-lang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebzulawski/vellum-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c303fe1c281e4e88d4c106f9abe9ddadadf00fe
[INFO] checking calebzulawski/vellum-lang against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fvellum-lang" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebzulawski/vellum-lang on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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-4/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] a9ae476baf98717c738b72ccf307ef31484dafa9a40b1fcef5ffabe5645d6fa9
[INFO] running `"docker" "start" "-a" "a9ae476baf98717c738b72ccf307ef31484dafa9a40b1fcef5ffabe5645d6fa9"`
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[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-395d9070d363a0c8/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: unused import: `std::str::FromStr`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/vellum-lang-395d9070d363a0c8/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: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/vellum-lang-395d9070d363a0c8/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-395d9070d363a0c8/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-395d9070d363a0c8/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-395d9070d363a0c8/out/grammar.rs:2623:9
[INFO] [stderr]      |
[INFO] [stderr] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/vellum-lang-395d9070d363a0c8/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-395d9070d363a0c8/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-395d9070d363a0c8/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-395d9070d363a0c8/out/grammar.rs:2623:9
[INFO] [stderr]      |
[INFO] [stderr] 2623 |         pub fn new() -> __MatcherBuilder {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "a9ae476baf98717c738b72ccf307ef31484dafa9a40b1fcef5ffabe5645d6fa9"`
[INFO] running `"docker" "rm" "-f" "a9ae476baf98717c738b72ccf307ef31484dafa9a40b1fcef5ffabe5645d6fa9"`
[INFO] [stdout] a9ae476baf98717c738b72ccf307ef31484dafa9a40b1fcef5ffabe5645d6fa9