[INFO] cloning repository https://github.com/arlopurcell/zax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arlopurcell/zax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlopurcell%2Fzax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlopurcell%2Fzax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ebe5d26b05196d2ab7ee75f75427aaf898ddec
[INFO] testing arlopurcell/zax against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farlopurcell%2Fzax" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arlopurcell/zax on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arlopurcell/zax
[INFO] finished tweaking git repo https://github.com/arlopurcell/zax
[INFO] tweaked toml for git repo https://github.com/arlopurcell/zax written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/arlopurcell/zax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e20f6c2c042a3b65873372190f6f1724212f016b9160103a3b79de868d77bb
[INFO] running `Command { std: "docker" "start" "-a" "f6e20f6c2c042a3b65873372190f6f1724212f016b9160103a3b79de868d77bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e20f6c2c042a3b65873372190f6f1724212f016b9160103a3b79de868d77bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e20f6c2c042a3b65873372190f6f1724212f016b9160103a3b79de868d77bb", kill_on_drop: false }`
[INFO] [stdout] f6e20f6c2c042a3b65873372190f6f1724212f016b9160103a3b79de868d77bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b250f46192e941b1ffb7c529f0bdb462673e7df711b18898481b6b2df6e74743
[INFO] running `Command { std: "docker" "start" "-a" "b250f46192e941b1ffb7c529f0bdb462673e7df711b18898481b6b2df6e74743", kill_on_drop: false }`
[INFO] [stderr]    Compiling zax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/object.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Nil,
[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 2.92s
[INFO] running `Command { std: "docker" "inspect" "b250f46192e941b1ffb7c529f0bdb462673e7df711b18898481b6b2df6e74743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b250f46192e941b1ffb7c529f0bdb462673e7df711b18898481b6b2df6e74743", kill_on_drop: false }`
[INFO] [stdout] b250f46192e941b1ffb7c529f0bdb462673e7df711b18898481b6b2df6e74743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09df9edb8fd5caff4ef1492cceb5fac29166efb9bce67f207e6210f7442c0a70
[INFO] running `Command { std: "docker" "start" "-a" "09df9edb8fd5caff4ef1492cceb5fac29166efb9bce67f207e6210f7442c0a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates v1.0.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/object.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Nil,
[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]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling zax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/object.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Nil,
[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 3.22s
[INFO] running `Command { std: "docker" "inspect" "09df9edb8fd5caff4ef1492cceb5fac29166efb9bce67f207e6210f7442c0a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09df9edb8fd5caff4ef1492cceb5fac29166efb9bce67f207e6210f7442c0a70", kill_on_drop: false }`
[INFO] [stdout] 09df9edb8fd5caff4ef1492cceb5fac29166efb9bce67f207e6210f7442c0a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5040bca0c520ae0f411a33ee128ca8cfeaa1267ca7783e54636d031075132578
[INFO] running `Command { std: "docker" "start" "-a" "5040bca0c520ae0f411a33ee128ca8cfeaa1267ca7783e54636d031075132578", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]   --> src/object.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Nil,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]   --> src/object.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Nil,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` 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] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zax-6e9f4e997ce07043)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-7577075190b5209e)
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test local_scope ... ok
[INFO] [stdout] test while_loop ... ok
[INFO] [stdout] test bad_add ... ok
[INFO] [stdout] test top_level_return ... ok
[INFO] [stdout] test first_class_fun ... ok
[INFO] [stdout] test first_class_lambda ... ok
[INFO] [stdout] test fib ... ok
[INFO] [stdout] test func_call ... ok
[INFO] [stdout] test func_call_type_param ... ok
[INFO] [stdout] test func_call_return_type ... ok
[INFO] [stdout] test block_expression ... ok
[INFO] [stdout] test fib_implicit_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5040bca0c520ae0f411a33ee128ca8cfeaa1267ca7783e54636d031075132578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5040bca0c520ae0f411a33ee128ca8cfeaa1267ca7783e54636d031075132578", kill_on_drop: false }`
[INFO] [stdout] 5040bca0c520ae0f411a33ee128ca8cfeaa1267ca7783e54636d031075132578