[INFO] fetching crate rstt 0.0.0...
[INFO] testing rstt-0.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rstt 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rstt 0.0.0
[INFO] finished tweaking crates.io crate rstt 0.0.0
[INFO] tweaked toml for crates.io crate rstt 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstt 0.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd641f7e0e4c8fd97bb41edc10e415945149d61b3c8ceefb362728239f05e908
[INFO] running `Command { std: "docker" "start" "-a" "bd641f7e0e4c8fd97bb41edc10e415945149d61b3c8ceefb362728239f05e908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd641f7e0e4c8fd97bb41edc10e415945149d61b3c8ceefb362728239f05e908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd641f7e0e4c8fd97bb41edc10e415945149d61b3c8ceefb362728239f05e908", kill_on_drop: false }`
[INFO] [stdout] bd641f7e0e4c8fd97bb41edc10e415945149d61b3c8ceefb362728239f05e908
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76aa279bb97c56e6d73bab9e1c040fb92d0cfe2de20441d9538ab405d4b3e708
[INFO] running `Command { std: "docker" "start" "-a" "76aa279bb97c56e6d73bab9e1c040fb92d0cfe2de20441d9538ab405d4b3e708", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Unpublished` is never constructed
[INFO] [stdout]  --> src/lib.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Version {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 3 |     Unpublished,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Version` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "76aa279bb97c56e6d73bab9e1c040fb92d0cfe2de20441d9538ab405d4b3e708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76aa279bb97c56e6d73bab9e1c040fb92d0cfe2de20441d9538ab405d4b3e708", kill_on_drop: false }`
[INFO] [stdout] 76aa279bb97c56e6d73bab9e1c040fb92d0cfe2de20441d9538ab405d4b3e708
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7fa83807137d903b452faa2ef7b4edb36db6bf787de520f173c6655b902255
[INFO] running `Command { std: "docker" "start" "-a" "4e7fa83807137d903b452faa2ef7b4edb36db6bf787de520f173c6655b902255", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstt v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Unpublished` is never constructed
[INFO] [stdout]  --> src/lib.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Version {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 3 |     Unpublished,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Version` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "4e7fa83807137d903b452faa2ef7b4edb36db6bf787de520f173c6655b902255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7fa83807137d903b452faa2ef7b4edb36db6bf787de520f173c6655b902255", kill_on_drop: false }`
[INFO] [stdout] 4e7fa83807137d903b452faa2ef7b4edb36db6bf787de520f173c6655b902255
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb14b36812098c9272397b4997fc4b47b4febec890c2208d15247fb49570f3d7
[INFO] running `Command { std: "docker" "start" "-a" "cb14b36812098c9272397b4997fc4b47b4febec890c2208d15247fb49570f3d7", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Unpublished` is never constructed
[INFO] [stderr]  --> src/lib.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Version {
[INFO] [stderr]   |      ------- variant in this enum
[INFO] [stderr] 3 |     Unpublished,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Version` 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: `rstt` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rstt-fe93d8311ee02a1f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::wip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rstt
[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" "cb14b36812098c9272397b4997fc4b47b4febec890c2208d15247fb49570f3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb14b36812098c9272397b4997fc4b47b4febec890c2208d15247fb49570f3d7", kill_on_drop: false }`
[INFO] [stdout] cb14b36812098c9272397b4997fc4b47b4febec890c2208d15247fb49570f3d7