[INFO] cloning repository https://github.com/puffin-rocks/train_control
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puffin-rocks/train_control" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuffin-rocks%2Ftrain_control", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuffin-rocks%2Ftrain_control'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 042916fc1167eda764b6613664f1ecf0b4e7274e
[INFO] testing puffin-rocks/train_control against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuffin-rocks%2Ftrain_control" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/puffin-rocks/train_control
[INFO] finished tweaking git repo https://github.com/puffin-rocks/train_control
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[INFO] validating manifest of git repo https://github.com/puffin-rocks/train_control on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
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[INFO] crate git repo https://github.com/puffin-rocks/train_control 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling train v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/communication.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Property {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Empty
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Property` has derived impls for the traits `Debug` and `Clone`, but these are 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: variant `Query` is never constructed
[INFO] [stdout]   --> src/communication.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum MessageType {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 24 |     Query,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessageType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "dddfb003041d6b2dc69debb1880cf992a92595105e45b88f03ef472b3fcebc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddfb003041d6b2dc69debb1880cf992a92595105e45b88f03ef472b3fcebc61", kill_on_drop: false }`
[INFO] [stdout] dddfb003041d6b2dc69debb1880cf992a92595105e45b88f03ef472b3fcebc61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10a4670bff145cb156b88fe677c3fc05817f2aa3cfaef967111eeaf1604bff74
[INFO] running `Command { std: "docker" "start" "-a" "10a4670bff145cb156b88fe677c3fc05817f2aa3cfaef967111eeaf1604bff74", kill_on_drop: false }`
[INFO] [stderr]    Compiling train v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/communication.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Property {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     Empty
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Property` has derived impls for the traits `Debug` and `Clone`, but these are 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: variant `Query` is never constructed
[INFO] [stdout]   --> src/communication.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum MessageType {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 24 |     Query,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MessageType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "10a4670bff145cb156b88fe677c3fc05817f2aa3cfaef967111eeaf1604bff74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a4670bff145cb156b88fe677c3fc05817f2aa3cfaef967111eeaf1604bff74", kill_on_drop: false }`
[INFO] [stdout] 10a4670bff145cb156b88fe677c3fc05817f2aa3cfaef967111eeaf1604bff74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9c934c496d25e8bfbc4de26fe9bbdb0b775bc6a9a79b28f9b90f2854e4cfcfa
[INFO] running `Command { std: "docker" "start" "-a" "e9c934c496d25e8bfbc4de26fe9bbdb0b775bc6a9a79b28f9b90f2854e4cfcfa", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Empty` is never constructed
[INFO] [stderr]   --> src/communication.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Property {
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 19 |     Empty
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Property` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Query` is never constructed
[INFO] [stderr]   --> src/communication.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum MessageType {
[INFO] [stderr]    |          ----------- variant in this enum
[INFO] [stderr] 24 |     Query,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MessageType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `train` (bin "train" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/train-1154a52bc6c5aa6d)
[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" "e9c934c496d25e8bfbc4de26fe9bbdb0b775bc6a9a79b28f9b90f2854e4cfcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c934c496d25e8bfbc4de26fe9bbdb0b775bc6a9a79b28f9b90f2854e4cfcfa", kill_on_drop: false }`
[INFO] [stdout] e9c934c496d25e8bfbc4de26fe9bbdb0b775bc6a9a79b28f9b90f2854e4cfcfa