[INFO] updating cached repository https://github.com/shika-blyat/math-eval
[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] 23ecc7026169c7871733502cfb26320803df1fd4
[INFO] testing shika-blyat/math-eval against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fmath-eval" "/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/shika-blyat/math-eval on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shika-blyat/math-eval
[INFO] finished tweaking git repo https://github.com/shika-blyat/math-eval
[INFO] tweaked toml for git repo https://github.com/shika-blyat/math-eval written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/shika-blyat/math-eval already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc2ab38a6e53c6a61bd9c6cb499e7ec8c811c859483b7ed25e31beb9665e815d
[INFO] running `"docker" "start" "-a" "fc2ab38a6e53c6a61bd9c6cb499e7ec8c811c859483b7ed25e31beb9665e815d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling small-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Error`, `Op`
[INFO] [stderr]  --> src/evaluation/eval_math.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::parser::tok_ast::{Error, Expr, Lit, Op, OpKind};
[INFO] [stderr]   |                              ^^^^^             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "fc2ab38a6e53c6a61bd9c6cb499e7ec8c811c859483b7ed25e31beb9665e815d"`
[INFO] running `"docker" "rm" "-f" "fc2ab38a6e53c6a61bd9c6cb499e7ec8c811c859483b7ed25e31beb9665e815d"`
[INFO] [stdout] fc2ab38a6e53c6a61bd9c6cb499e7ec8c811c859483b7ed25e31beb9665e815d
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ac1066e78a5967a8222e1fe14f31f69dd9eb376ed02e9ee519453e78aaaa8e0
[INFO] running `"docker" "start" "-a" "3ac1066e78a5967a8222e1fe14f31f69dd9eb376ed02e9ee519453e78aaaa8e0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling small-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Error`, `Op`
[INFO] [stderr]  --> src/evaluation/eval_math.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::parser::tok_ast::{Error, Expr, Lit, Op, OpKind};
[INFO] [stderr]   |                              ^^^^^             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "3ac1066e78a5967a8222e1fe14f31f69dd9eb376ed02e9ee519453e78aaaa8e0"`
[INFO] running `"docker" "rm" "-f" "3ac1066e78a5967a8222e1fe14f31f69dd9eb376ed02e9ee519453e78aaaa8e0"`
[INFO] [stdout] 3ac1066e78a5967a8222e1fe14f31f69dd9eb376ed02e9ee519453e78aaaa8e0
[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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc49492acd38af4b3e9a8f44bb5c9cabdefad5dcc8b21f3b7d7bd198208a0de4
[INFO] running `"docker" "start" "-a" "fc49492acd38af4b3e9a8f44bb5c9cabdefad5dcc8b21f3b7d7bd198208a0de4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `Error`, `Op`
[INFO] [stderr]  --> src/evaluation/eval_math.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::parser::tok_ast::{Error, Expr, Lit, Op, OpKind};
[INFO] [stderr]   |                              ^^^^^             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/small_lang-f7286b54e60c1f2d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc49492acd38af4b3e9a8f44bb5c9cabdefad5dcc8b21f3b7d7bd198208a0de4"`
[INFO] running `"docker" "rm" "-f" "fc49492acd38af4b3e9a8f44bb5c9cabdefad5dcc8b21f3b7d7bd198208a0de4"`
[INFO] [stdout] fc49492acd38af4b3e9a8f44bb5c9cabdefad5dcc8b21f3b7d7bd198208a0de4