[INFO] fetching crate ribbons 0.1.3...
[INFO] testing ribbons-0.1.3 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ribbons 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ribbons 0.1.3
[INFO] finished tweaking crates.io crate ribbons 0.1.3
[INFO] tweaked toml for crates.io crate ribbons 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ribbons 0.1.3 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] crate crates.io crate ribbons 0.1.3 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 811862c0728e20f1ebb9fc6650fdef61c9411bfcb75a15c327c8e1e6908aec7e
[INFO] running `Command { std: "docker" "start" "-a" "811862c0728e20f1ebb9fc6650fdef61c9411bfcb75a15c327c8e1e6908aec7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811862c0728e20f1ebb9fc6650fdef61c9411bfcb75a15c327c8e1e6908aec7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811862c0728e20f1ebb9fc6650fdef61c9411bfcb75a15c327c8e1e6908aec7e", kill_on_drop: false }`
[INFO] [stdout] 811862c0728e20f1ebb9fc6650fdef61c9411bfcb75a15c327c8e1e6908aec7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0213f442159f486fe08cec02a35c9ff9dabde876f821d49489a26c83e57a2165
[INFO] running `Command { std: "docker" "start" "-a" "0213f442159f486fe08cec02a35c9ff9dabde876f821d49489a26c83e57a2165", kill_on_drop: false }`
[INFO] [stderr]    Compiling ribbons v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "0213f442159f486fe08cec02a35c9ff9dabde876f821d49489a26c83e57a2165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0213f442159f486fe08cec02a35c9ff9dabde876f821d49489a26c83e57a2165", kill_on_drop: false }`
[INFO] [stdout] 0213f442159f486fe08cec02a35c9ff9dabde876f821d49489a26c83e57a2165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0a641117ebf440ceeb5b71bc04cbac177112e264b02645d281a6821033e7e1d9
[INFO] running `Command { std: "docker" "start" "-a" "0a641117ebf440ceeb5b71bc04cbac177112e264b02645d281a6821033e7e1d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ribbons v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0a641117ebf440ceeb5b71bc04cbac177112e264b02645d281a6821033e7e1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a641117ebf440ceeb5b71bc04cbac177112e264b02645d281a6821033e7e1d9", kill_on_drop: false }`
[INFO] [stdout] 0a641117ebf440ceeb5b71bc04cbac177112e264b02645d281a6821033e7e1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bd1e6eaf6f99bbcc46110dbd134b83f7c68a10c28bdcff9008bc323e29a9ee28
[INFO] running `Command { std: "docker" "start" "-a" "bd1e6eaf6f99bbcc46110dbd134b83f7c68a10c28bdcff9008bc323e29a9ee28", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ribbons-13d4f5477ce3fc64)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::unwrap_ok ... ok
[INFO] [stdout] test tests::unwrap_some ... ok
[INFO] [stderr]    Doc-tests ribbons
[INFO] [stdout] test tests::unwrap_err - should panic ... ok
[INFO] [stdout] test tests::unwrap_none - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - unwrap_fmt (line 28) ... ok
[INFO] [stdout] test src/lib.rs - unwrap_fmt (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd1e6eaf6f99bbcc46110dbd134b83f7c68a10c28bdcff9008bc323e29a9ee28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1e6eaf6f99bbcc46110dbd134b83f7c68a10c28bdcff9008bc323e29a9ee28", kill_on_drop: false }`
[INFO] [stdout] bd1e6eaf6f99bbcc46110dbd134b83f7c68a10c28bdcff9008bc323e29a9ee28