[INFO] updating cached repository https://github.com/N-give/microc
[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] bcf1b9f60727211b288ea91e39c5cf73eff0922b
[INFO] checking N-give/microc against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-give%2Fmicroc" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/N-give/microc 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/N-give/microc
[INFO] finished tweaking git repo https://github.com/N-give/microc
[INFO] tweaked toml for git repo https://github.com/N-give/microc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/N-give/microc 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 587eb28ccbf9672dd784e0eb8b87427c3f81efbab3b2c7d1233e8da54a89b5de
[INFO] running `"docker" "start" "-a" "587eb28ccbf9672dd784e0eb8b87427c3f81efbab3b2c7d1233e8da54a89b5de"`
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking microc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `alpha1`, `pair`
[INFO] [stderr]  --> src/string_decl.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 |     character::complete::{alpha1, alphanumeric0, char, multispace0},
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 4 |     sequence::{delimited, pair, preceded, terminated},
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `alpha1`, `pair`
[INFO] [stderr]  --> src/string_decl.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 |     character::complete::{alpha1, alphanumeric0, char, multispace0},
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 4 |     sequence::{delimited, pair, preceded, terminated},
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ADD`
[INFO] [stderr]   --> src/statement.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ADD,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUB`
[INFO] [stderr]   --> src/statement.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     SUB,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MUL`
[INFO] [stderr]   --> src/statement.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     MUL,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DIV`
[INFO] [stderr]   --> src/statement.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     DIV,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASSIGN`
[INFO] [stderr]   --> src/statement.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ASSIGN(AssignStmt),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RETURN`
[INFO] [stderr]   --> src/statement.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     RETURN(ReturnStmt),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ADD`
[INFO] [stderr]   --> src/statement.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ADD,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUB`
[INFO] [stderr]   --> src/statement.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     SUB,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MUL`
[INFO] [stderr]   --> src/statement.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     MUL,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DIV`
[INFO] [stderr]   --> src/statement.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     DIV,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASSIGN`
[INFO] [stderr]   --> src/statement.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ASSIGN(AssignStmt),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RETURN`
[INFO] [stderr]   --> src/statement.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     RETURN(ReturnStmt),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `"docker" "inspect" "587eb28ccbf9672dd784e0eb8b87427c3f81efbab3b2c7d1233e8da54a89b5de"`
[INFO] running `"docker" "rm" "-f" "587eb28ccbf9672dd784e0eb8b87427c3f81efbab3b2c7d1233e8da54a89b5de"`
[INFO] [stdout] 587eb28ccbf9672dd784e0eb8b87427c3f81efbab3b2c7d1233e8da54a89b5de