[INFO] cloning repository https://github.com/kuy/understanding-computation-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuy/understanding-computation-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Funderstanding-computation-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Funderstanding-computation-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6db81d58f06151041b867039070fd08b747a3c4
[INFO] testing kuy/understanding-computation-rs against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Funderstanding-computation-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kuy/understanding-computation-rs
[INFO] finished tweaking git repo https://github.com/kuy/understanding-computation-rs
[INFO] tweaked toml for git repo https://github.com/kuy/understanding-computation-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kuy/understanding-computation-rs on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kuy/understanding-computation-rs 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90290958f17534bca18e6f8bf8348ce80994a5f7f5a1f2679bfb1fe75ad4967b
[INFO] running `Command { std: "docker" "start" "-a" "90290958f17534bca18e6f8bf8348ce80994a5f7f5a1f2679bfb1fe75ad4967b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90290958f17534bca18e6f8bf8348ce80994a5f7f5a1f2679bfb1fe75ad4967b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90290958f17534bca18e6f8bf8348ce80994a5f7f5a1f2679bfb1fe75ad4967b", kill_on_drop: false }`
[INFO] [stdout] 90290958f17534bca18e6f8bf8348ce80994a5f7f5a1f2679bfb1fe75ad4967b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6a89ec8a09d1d969c923d2d2d466317fbd6a3dbd049a7f34f1a0d7fc281266
[INFO] running `Command { std: "docker" "start" "-a" "9a6a89ec8a09d1d969c923d2d2d466317fbd6a3dbd049a7f34f1a0d7fc281266", kill_on_drop: false }`
[INFO] [stderr]    Compiling understanding-computation-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Number(i32);
[INFO] [stdout]    |        ------ ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Add {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 20 |     pub left: Multiply,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     pub right: Multiply,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Multiply {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 25 |     pub left: Number,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub right: Number,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Multiply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "9a6a89ec8a09d1d969c923d2d2d466317fbd6a3dbd049a7f34f1a0d7fc281266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6a89ec8a09d1d969c923d2d2d466317fbd6a3dbd049a7f34f1a0d7fc281266", kill_on_drop: false }`
[INFO] [stdout] 9a6a89ec8a09d1d969c923d2d2d466317fbd6a3dbd049a7f34f1a0d7fc281266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e23125a6a12db921ee488ac76311dbee52faa9ca002f2db154fca5690b3d865
[INFO] running `Command { std: "docker" "start" "-a" "5e23125a6a12db921ee488ac76311dbee52faa9ca002f2db154fca5690b3d865", kill_on_drop: false }`
[INFO] [stderr]    Compiling understanding-computation-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Number(i32);
[INFO] [stdout]    |        ------ ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Add {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 20 |     pub left: Multiply,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 21 |     pub right: Multiply,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left` and `right` are never read
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Multiply {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 25 |     pub left: Number,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub right: Number,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Multiply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5e23125a6a12db921ee488ac76311dbee52faa9ca002f2db154fca5690b3d865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e23125a6a12db921ee488ac76311dbee52faa9ca002f2db154fca5690b3d865", kill_on_drop: false }`
[INFO] [stdout] 5e23125a6a12db921ee488ac76311dbee52faa9ca002f2db154fca5690b3d865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67e73e57d75e9079b1410b224278b6c91d9a698e2a9fc63a841da853b789ef2f
[INFO] running `Command { std: "docker" "start" "-a" "67e73e57d75e9079b1410b224278b6c91d9a698e2a9fc63a841da853b789ef2f", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Number(i32);
[INFO] [stderr]    |        ------ ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `left` and `right` are never read
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Add {
[INFO] [stderr]    |        --- fields in this struct
[INFO] [stderr] 20 |     pub left: Multiply,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 21 |     pub right: Multiply,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Add` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `left` and `right` are never read
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Multiply {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 25 |     pub left: Number,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 26 |     pub right: Number,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Multiply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `understanding-computation-rs` (bin "understanding-computation-rs" test) generated 3 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/understanding_computation_rs-4b77dbb793c2be78)
[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" "67e73e57d75e9079b1410b224278b6c91d9a698e2a9fc63a841da853b789ef2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e73e57d75e9079b1410b224278b6c91d9a698e2a9fc63a841da853b789ef2f", kill_on_drop: false }`
[INFO] [stdout] 67e73e57d75e9079b1410b224278b6c91d9a698e2a9fc63a841da853b789ef2f
