[INFO] cloning repository https://github.com/colbyn/swift-oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colbyn/swift-oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyn%2Fswift-oxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyn%2Fswift-oxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98c2f04ce1346928b8fb031ffde396f55e8f8b46
[INFO] testing colbyn/swift-oxide against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolbyn%2Fswift-oxide" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colbyn/swift-oxide on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/colbyn/swift-oxide
[INFO] finished tweaking git repo https://github.com/colbyn/swift-oxide
[INFO] tweaked toml for git repo https://github.com/colbyn/swift-oxide written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/colbyn/swift-oxide 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f7ff81765b0e4874f8894c6859394720aea59a7d4323b6b42fe5c419d865a9a
[INFO] running `Command { std: "docker" "start" "-a" "1f7ff81765b0e4874f8894c6859394720aea59a7d4323b6b42fe5c419d865a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f7ff81765b0e4874f8894c6859394720aea59a7d4323b6b42fe5c419d865a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7ff81765b0e4874f8894c6859394720aea59a7d4323b6b42fe5c419d865a9a", kill_on_drop: false }`
[INFO] [stdout] 1f7ff81765b0e4874f8894c6859394720aea59a7d4323b6b42fe5c419d865a9a
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77bff92cd332c38b9c83a58b3cf0b7ffb3d3bcb47506bebce1a6d7f0731b00ef
[INFO] running `Command { std: "docker" "start" "-a" "77bff92cd332c38b9c83a58b3cf0b7ffb3d3bcb47506bebce1a6d7f0731b00ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling swift-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:244:30
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct StatementSequence(Vec<Statement>);
[INFO] [stdout]     |            ----------------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `StatementSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "77bff92cd332c38b9c83a58b3cf0b7ffb3d3bcb47506bebce1a6d7f0731b00ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bff92cd332c38b9c83a58b3cf0b7ffb3d3bcb47506bebce1a6d7f0731b00ef", kill_on_drop: false }`
[INFO] [stdout] 77bff92cd332c38b9c83a58b3cf0b7ffb3d3bcb47506bebce1a6d7f0731b00ef
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4adf3e6cafb00c8d3cea220418add84a817fbefe2351036b2e3e67fd6c6975f0
[INFO] running `Command { std: "docker" "start" "-a" "4adf3e6cafb00c8d3cea220418add84a817fbefe2351036b2e3e67fd6c6975f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling swift-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:244:30
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct StatementSequence(Vec<Statement>);
[INFO] [stdout]     |            ----------------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `StatementSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4adf3e6cafb00c8d3cea220418add84a817fbefe2351036b2e3e67fd6c6975f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adf3e6cafb00c8d3cea220418add84a817fbefe2351036b2e3e67fd6c6975f0", kill_on_drop: false }`
[INFO] [stdout] 4adf3e6cafb00c8d3cea220418add84a817fbefe2351036b2e3e67fd6c6975f0
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cccbd8d2fbe1cf1be7b98fa8b87c62a5cc02d3c839521a5fdb437c22b2853a2c
[INFO] running `Command { std: "docker" "start" "-a" "cccbd8d2fbe1cf1be7b98fa8b87c62a5cc02d3c839521a5fdb437c22b2853a2c", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/syntax.rs:244:30
[INFO] [stderr]     |
[INFO] [stderr] 244 | pub struct StatementSequence(Vec<Statement>);
[INFO] [stderr]     |            ----------------- ^^^^^^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `StatementSequence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `swift-oxide` (bin "swift-oxide" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/swift_oxide-2992a3195e499848)
[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" "cccbd8d2fbe1cf1be7b98fa8b87c62a5cc02d3c839521a5fdb437c22b2853a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccbd8d2fbe1cf1be7b98fa8b87c62a5cc02d3c839521a5fdb437c22b2853a2c", kill_on_drop: false }`
[INFO] [stdout] cccbd8d2fbe1cf1be7b98fa8b87c62a5cc02d3c839521a5fdb437c22b2853a2c