[INFO] cloning repository https://github.com/johnchildren/yet-another-meta-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnchildren/yet-another-meta-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Fyet-another-meta-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Fyet-another-meta-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fe54ce72eb8705cefda5fe29d54c3063a82aed9
[INFO] testing johnchildren/yet-another-meta-language against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnchildren%2Fyet-another-meta-language" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnchildren/yet-another-meta-language
[INFO] finished tweaking git repo https://github.com/johnchildren/yet-another-meta-language
[INFO] tweaked toml for git repo https://github.com/johnchildren/yet-another-meta-language written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnchildren/yet-another-meta-language on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnchildren/yet-another-meta-language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 062d4ba6a3f605cfe96194b743464bc3942817b6dd6ff33cb8d14d6b0d78f5d3
[INFO] running `Command { std: "docker" "start" "-a" "062d4ba6a3f605cfe96194b743464bc3942817b6dd6ff33cb8d14d6b0d78f5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062d4ba6a3f605cfe96194b743464bc3942817b6dd6ff33cb8d14d6b0d78f5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062d4ba6a3f605cfe96194b743464bc3942817b6dd6ff33cb8d14d6b0d78f5d3", kill_on_drop: false }`
[INFO] [stdout] 062d4ba6a3f605cfe96194b743464bc3942817b6dd6ff33cb8d14d6b0d78f5d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf27c0e8ec690be7e0a0456479e262ae249700494137675d6c2d9829bbb7c98f
[INFO] running `Command { std: "docker" "start" "-a" "bf27c0e8ec690be7e0a0456479e262ae249700494137675d6c2d9829bbb7c98f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling yet-another-meta-language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `eval` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn eval(env: &mut Mapping, val: &Value) -> Value {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "bf27c0e8ec690be7e0a0456479e262ae249700494137675d6c2d9829bbb7c98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf27c0e8ec690be7e0a0456479e262ae249700494137675d6c2d9829bbb7c98f", kill_on_drop: false }`
[INFO] [stdout] bf27c0e8ec690be7e0a0456479e262ae249700494137675d6c2d9829bbb7c98f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6393fe58b49b36308c6cb45eb8d5f2cc2c6fba1a717f220a91854355f3ca47e5
[INFO] running `Command { std: "docker" "start" "-a" "6393fe58b49b36308c6cb45eb8d5f2cc2c6fba1a717f220a91854355f3ca47e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling yet-another-meta-language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "6393fe58b49b36308c6cb45eb8d5f2cc2c6fba1a717f220a91854355f3ca47e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6393fe58b49b36308c6cb45eb8d5f2cc2c6fba1a717f220a91854355f3ca47e5", kill_on_drop: false }`
[INFO] [stdout] 6393fe58b49b36308c6cb45eb8d5f2cc2c6fba1a717f220a91854355f3ca47e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 155a16b9b353c096d694c7437d64c5e467d25a398f29599e3f55575e56e59f4c
[INFO] running `Command { std: "docker" "start" "-a" "155a16b9b353c096d694c7437d64c5e467d25a398f29599e3f55575e56e59f4c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/yet_another_meta_language-6048775b5cef4a3c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::atoms ... ok
[INFO] [stdout] test test::reading_from_environment ... ok
[INFO] [stdout] test test::reading_from_previous_statements ... ok
[INFO] [stdout] test test::invariance_in_empty_env ... ok
[INFO] [stdout] test test::merging_programs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "155a16b9b353c096d694c7437d64c5e467d25a398f29599e3f55575e56e59f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155a16b9b353c096d694c7437d64c5e467d25a398f29599e3f55575e56e59f4c", kill_on_drop: false }`
[INFO] [stdout] 155a16b9b353c096d694c7437d64c5e467d25a398f29599e3f55575e56e59f4c