[INFO] cloning repository https://github.com/chr4/writing_an_interpreter_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/chr4/writing_an_interpreter_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchr4%2Fwriting_an_interpreter_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchr4%2Fwriting_an_interpreter_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b93e351e7ad6b51c78fbb8ce8d2952eb4281810a
[INFO] testing chr4/writing_an_interpreter_in_rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchr4%2Fwriting_an_interpreter_in_rust" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chr4/writing_an_interpreter_in_rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chr4/writing_an_interpreter_in_rust
[INFO] finished tweaking git repo https://github.com/chr4/writing_an_interpreter_in_rust
[INFO] tweaked toml for git repo https://github.com/chr4/writing_an_interpreter_in_rust written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/chr4/writing_an_interpreter_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75461a93f7a1bba21c7ca119f0b36115db912e1e8a26f2f6fe9b8b0984392673
[INFO] running `Command { std: "docker" "start" "-a" "75461a93f7a1bba21c7ca119f0b36115db912e1e8a26f2f6fe9b8b0984392673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75461a93f7a1bba21c7ca119f0b36115db912e1e8a26f2f6fe9b8b0984392673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75461a93f7a1bba21c7ca119f0b36115db912e1e8a26f2f6fe9b8b0984392673", kill_on_drop: false }`
[INFO] [stdout] 75461a93f7a1bba21c7ca119f0b36115db912e1e8a26f2f6fe9b8b0984392673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5237414a3bf58e2e0b5707f2807d11e34c1e302e7efba23c0741e0708ea3131c
[INFO] running `Command { std: "docker" "start" "-a" "5237414a3bf58e2e0b5707f2807d11e34c1e302e7efba23c0741e0708ea3131c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling writing_an_interpreter_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "5237414a3bf58e2e0b5707f2807d11e34c1e302e7efba23c0741e0708ea3131c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5237414a3bf58e2e0b5707f2807d11e34c1e302e7efba23c0741e0708ea3131c", kill_on_drop: false }`
[INFO] [stdout] 5237414a3bf58e2e0b5707f2807d11e34c1e302e7efba23c0741e0708ea3131c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732155fc475c987bb8f23eb92ced6193ed215b9f43d770db38d6f736dcc99929
[INFO] running `Command { std: "docker" "start" "-a" "732155fc475c987bb8f23eb92ced6193ed215b9f43d770db38d6f736dcc99929", kill_on_drop: false }`
[INFO] [stderr]    Compiling writing_an_interpreter_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/writing_an_interpreter_in_rust-823678a0d92f0cdf)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/writing_an_interpreter_in_rust-9ae34b735c3e90c3)
[INFO] running `Command { std: "docker" "inspect" "732155fc475c987bb8f23eb92ced6193ed215b9f43d770db38d6f736dcc99929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732155fc475c987bb8f23eb92ced6193ed215b9f43d770db38d6f736dcc99929", kill_on_drop: false }`
[INFO] [stdout] 732155fc475c987bb8f23eb92ced6193ed215b9f43d770db38d6f736dcc99929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a77943c3c13b5d8eb452c7bbda9ca3ab41dba570fa42effcc66abe45815e85d6
[INFO] running `Command { std: "docker" "start" "-a" "a77943c3c13b5d8eb452c7bbda9ca3ab41dba570fa42effcc66abe45815e85d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/writing_an_interpreter_in_rust-823678a0d92f0cdf)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/writing_an_interpreter_in_rust-9ae34b735c3e90c3)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::is_letter_test ... ok
[INFO] [stdout] test lexer::next_token_test ... ok
[INFO] [stdout] test token::lookup_ident_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::is_letter_test ... ok
[INFO] [stdout] test lexer::next_token_test ... ok
[INFO] [stdout] test token::lookup_ident_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests writing_an_interpreter_in_rust
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a77943c3c13b5d8eb452c7bbda9ca3ab41dba570fa42effcc66abe45815e85d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77943c3c13b5d8eb452c7bbda9ca3ab41dba570fa42effcc66abe45815e85d6", kill_on_drop: false }`
[INFO] [stdout] a77943c3c13b5d8eb452c7bbda9ca3ab41dba570fa42effcc66abe45815e85d6