[INFO] fetching crate rs-lean 0.1.0...
[INFO] testing rs-lean-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rs-lean 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rs-lean 0.1.0
[INFO] finished tweaking crates.io crate rs-lean 0.1.0
[INFO] tweaked toml for crates.io crate rs-lean 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-lean 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-lean 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bdc24028faf8473c0c63e5a028a42663489886c6376dec283fde339e49e5137
[INFO] running `Command { std: "docker" "start" "-a" "9bdc24028faf8473c0c63e5a028a42663489886c6376dec283fde339e49e5137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdc24028faf8473c0c63e5a028a42663489886c6376dec283fde339e49e5137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdc24028faf8473c0c63e5a028a42663489886c6376dec283fde339e49e5137", kill_on_drop: false }`
[INFO] [stdout] 9bdc24028faf8473c0c63e5a028a42663489886c6376dec283fde339e49e5137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c064705814799da72713b21d956672c39277b078028b76e438bf5db33d5192d1
[INFO] running `Command { std: "docker" "start" "-a" "c064705814799da72713b21d956672c39277b078028b76e438bf5db33d5192d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling ferris-says v0.2.1
[INFO] [stderr]    Compiling rs-lean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stdout]    --> src/main.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum TrafficLightColor {
[INFO] [stdout]     |      ----------------- variants in this enum
[INFO] [stdout] 112 |   Red,
[INFO] [stdout] 113 |   Yellow,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout] 114 |   Green,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrafficLightColor` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "c064705814799da72713b21d956672c39277b078028b76e438bf5db33d5192d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c064705814799da72713b21d956672c39277b078028b76e438bf5db33d5192d1", kill_on_drop: false }`
[INFO] [stdout] c064705814799da72713b21d956672c39277b078028b76e438bf5db33d5192d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1bb3a29e185a4700034c9ced42a0135e12faecc0519448e8b82dd9a04e85fc
[INFO] running `Command { std: "docker" "start" "-a" "cd1bb3a29e185a4700034c9ced42a0135e12faecc0519448e8b82dd9a04e85fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-lean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stdout]    --> src/main.rs:113:3
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum TrafficLightColor {
[INFO] [stdout]     |      ----------------- variants in this enum
[INFO] [stdout] 112 |   Red,
[INFO] [stdout] 113 |   Yellow,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout] 114 |   Green,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TrafficLightColor` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cd1bb3a29e185a4700034c9ced42a0135e12faecc0519448e8b82dd9a04e85fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1bb3a29e185a4700034c9ced42a0135e12faecc0519448e8b82dd9a04e85fc", kill_on_drop: false }`
[INFO] [stdout] cd1bb3a29e185a4700034c9ced42a0135e12faecc0519448e8b82dd9a04e85fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57d2a79317a2ea68bf97aa19743f244d8c1b0ee4ea6edf7a7f855a5d57917fd0
[INFO] running `Command { std: "docker" "start" "-a" "57d2a79317a2ea68bf97aa19743f244d8c1b0ee4ea6edf7a7f855a5d57917fd0", kill_on_drop: false }`
[INFO] [stderr] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stderr]    --> src/main.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 111 | enum TrafficLightColor {
[INFO] [stderr]     |      ----------------- variants in this enum
[INFO] [stderr] 112 |   Red,
[INFO] [stderr] 113 |   Yellow,
[INFO] [stderr]     |   ^^^^^^
[INFO] [stderr] 114 |   Green,
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TrafficLightColor` 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: `rs-lean` (bin "rs-lean" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_lean-9c8bb268996e3185)
[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" "57d2a79317a2ea68bf97aa19743f244d8c1b0ee4ea6edf7a7f855a5d57917fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d2a79317a2ea68bf97aa19743f244d8c1b0ee4ea6edf7a7f855a5d57917fd0", kill_on_drop: false }`
[INFO] [stdout] 57d2a79317a2ea68bf97aa19743f244d8c1b0ee4ea6edf7a7f855a5d57917fd0