[INFO] cloning repository https://github.com/xxf1996/lang-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xxf1996/lang-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxf1996%2Flang-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxf1996%2Flang-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b72951438f100910414f0764d6f2c31d6c5b85c
[INFO] testing xxf1996/lang-code against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxf1996%2Flang-code" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xxf1996/lang-code
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/xxf1996/lang-code
[INFO] tweaked toml for git repo https://github.com/xxf1996/lang-code written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xxf1996/lang-code on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xxf1996/lang-code 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing xxf1996/lang-code against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxf1996%2Flang-code" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xxf1996/lang-code
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/xxf1996/lang-code
[INFO] tweaked toml for git repo https://github.com/xxf1996/lang-code written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xxf1996/lang-code on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xxf1996/lang-code 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684b2818f489b2fe77c6f7b5b54870147ae38eb6ad06faa96d6ce789eadbd4c5
[INFO] running `Command { std: "docker" "start" "-a" "684b2818f489b2fe77c6f7b5b54870147ae38eb6ad06faa96d6ce789eadbd4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684b2818f489b2fe77c6f7b5b54870147ae38eb6ad06faa96d6ce789eadbd4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684b2818f489b2fe77c6f7b5b54870147ae38eb6ad06faa96d6ce789eadbd4c5", kill_on_drop: false }`
[INFO] [stdout] 684b2818f489b2fe77c6f7b5b54870147ae38eb6ad06faa96d6ce789eadbd4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a43e69ad45d3d1723454660785f22d5a73bbd39062ca4d16e260aaf19b9dd3
[INFO] running `Command { std: "docker" "start" "-a" "c6a43e69ad45d3d1723454660785f22d5a73bbd39062ca4d16e260aaf19b9dd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c6a43e69ad45d3d1723454660785f22d5a73bbd39062ca4d16e260aaf19b9dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a43e69ad45d3d1723454660785f22d5a73bbd39062ca4d16e260aaf19b9dd3", kill_on_drop: false }`
[INFO] [stdout] c6a43e69ad45d3d1723454660785f22d5a73bbd39062ca4d16e260aaf19b9dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd4c1bdb09af6cd9e986003edbbdcd2c61b6bc97c425107ed0af939a1b9e0ead
[INFO] running `Command { std: "docker" "start" "-a" "fd4c1bdb09af6cd9e986003edbbdcd2c61b6bc97c425107ed0af939a1b9e0ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Env` is never used
[INFO] [stdout]   --> examples/tiny-lang-1-and-2.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | type Env = Vec<(String, i32)>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Env` is never used
[INFO] [stdout]   --> examples/tiny-lang-1-and-2.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub type Env = Vec<i32>;
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "fd4c1bdb09af6cd9e986003edbbdcd2c61b6bc97c425107ed0af939a1b9e0ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4c1bdb09af6cd9e986003edbbdcd2c61b6bc97c425107ed0af939a1b9e0ead", kill_on_drop: false }`
[INFO] [stdout] fd4c1bdb09af6cd9e986003edbbdcd2c61b6bc97c425107ed0af939a1b9e0ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4251b7e0af70f039afcbca2a842403b2ff76edbcd816fd1811559b24b85f601b
[INFO] running `Command { std: "docker" "start" "-a" "4251b7e0af70f039afcbca2a842403b2ff76edbcd816fd1811559b24b85f601b", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `Env` is never used
[INFO] [stderr]   --> examples/tiny-lang-1-and-2.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 | type Env = Vec<(String, i32)>;
[INFO] [stderr]    |      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Env` is never used
[INFO] [stderr]   --> examples/tiny-lang-1-and-2.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub type Env = Vec<i32>;
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lang-code` (example "tiny-lang-1-and-2") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lang_code-3a46e62d9e9ad439)
[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" "4251b7e0af70f039afcbca2a842403b2ff76edbcd816fd1811559b24b85f601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4251b7e0af70f039afcbca2a842403b2ff76edbcd816fd1811559b24b85f601b", kill_on_drop: false }`
[INFO] [stdout] 4251b7e0af70f039afcbca2a842403b2ff76edbcd816fd1811559b24b85f601b