[INFO] cloning repository https://github.com/mesaverde0207/toy-c-compiler-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mesaverde0207/toy-c-compiler-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmesaverde0207%2Ftoy-c-compiler-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmesaverde0207%2Ftoy-c-compiler-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0de210b02950e122d99849b8184711e4c9d79334
[INFO] testing mesaverde0207/toy-c-compiler-in-rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmesaverde0207%2Ftoy-c-compiler-in-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mesaverde0207/toy-c-compiler-in-rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mesaverde0207/toy-c-compiler-in-rust
[INFO] finished tweaking git repo https://github.com/mesaverde0207/toy-c-compiler-in-rust
[INFO] tweaked toml for git repo https://github.com/mesaverde0207/toy-c-compiler-in-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mesaverde0207/toy-c-compiler-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8bf0ce6adf790ec92bc4c3e52c80a9ca36e6b3c0cf6942d84e2e53d9ef30f98
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8bf0ce6adf790ec92bc4c3e52c80a9ca36e6b3c0cf6942d84e2e53d9ef30f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8bf0ce6adf790ec92bc4c3e52c80a9ca36e6b3c0cf6942d84e2e53d9ef30f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bf0ce6adf790ec92bc4c3e52c80a9ca36e6b3c0cf6942d84e2e53d9ef30f98", kill_on_drop: false }`
[INFO] [stdout] d8bf0ce6adf790ec92bc4c3e52c80a9ca36e6b3c0cf6942d84e2e53d9ef30f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea453f05e5db33e9f0bd0a54c36308db38e438ec424970b8a60214f9254e6d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cea453f05e5db33e9f0bd0a54c36308db38e438ec424970b8a60214f9254e6d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-c-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]   --> src/tinyc/parser.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     tree: Tree,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "cea453f05e5db33e9f0bd0a54c36308db38e438ec424970b8a60214f9254e6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea453f05e5db33e9f0bd0a54c36308db38e438ec424970b8a60214f9254e6d6", kill_on_drop: false }`
[INFO] [stdout] cea453f05e5db33e9f0bd0a54c36308db38e438ec424970b8a60214f9254e6d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4446fb5fbe13d8099a0579721d3f09bf818cb586e032c3bbbab1ded2e52d83a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4446fb5fbe13d8099a0579721d3f09bf818cb586e032c3bbbab1ded2e52d83a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-c-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]   --> src/tinyc/parser.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     tree: Tree,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "4446fb5fbe13d8099a0579721d3f09bf818cb586e032c3bbbab1ded2e52d83a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4446fb5fbe13d8099a0579721d3f09bf818cb586e032c3bbbab1ded2e52d83a4", kill_on_drop: false }`
[INFO] [stdout] 4446fb5fbe13d8099a0579721d3f09bf818cb586e032c3bbbab1ded2e52d83a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 832d1dfc8432b8e957a2a84f965d4c21876af9ef1b7d7ac049f2c883ce876a3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "832d1dfc8432b8e957a2a84f965d4c21876af9ef1b7d7ac049f2c883ce876a3c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `tree`
[INFO] [stderr]   --> src/tinyc/parser.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     tree: Tree,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `toy-c-compiler` (bin "toy-c-compiler" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toy_c_compiler-7d693c857ad348b8)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tinyc::lexer::tests::test_parse_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "832d1dfc8432b8e957a2a84f965d4c21876af9ef1b7d7ac049f2c883ce876a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832d1dfc8432b8e957a2a84f965d4c21876af9ef1b7d7ac049f2c883ce876a3c", kill_on_drop: false }`
[INFO] [stdout] 832d1dfc8432b8e957a2a84f965d4c21876af9ef1b7d7ac049f2c883ce876a3c