[INFO] fetching crate houston 0.0.0...
[INFO] testing houston-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate houston 0.0.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate houston 0.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate houston 0.0.0
[INFO] finished tweaking crates.io crate houston 0.0.0
[INFO] tweaked toml for crates.io crate houston 0.0.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e56b1a5ea12b3337772a9b71f759f45766a9cdce8bdc0c057f0a864874c04b
[INFO] running `Command { std: "docker" "start" "-a" "16e56b1a5ea12b3337772a9b71f759f45766a9cdce8bdc0c057f0a864874c04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e56b1a5ea12b3337772a9b71f759f45766a9cdce8bdc0c057f0a864874c04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e56b1a5ea12b3337772a9b71f759f45766a9cdce8bdc0c057f0a864874c04b", kill_on_drop: false }`
[INFO] [stdout] 16e56b1a5ea12b3337772a9b71f759f45766a9cdce8bdc0c057f0a864874c04b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e6d78f4b7ff70d69bb91bc1e3b8ce80c02cbaaf717668775ebe5f0150f4b98
[INFO] running `Command { std: "docker" "start" "-a" "84e6d78f4b7ff70d69bb91bc1e3b8ce80c02cbaaf717668775ebe5f0150f4b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling houston v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "84e6d78f4b7ff70d69bb91bc1e3b8ce80c02cbaaf717668775ebe5f0150f4b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e6d78f4b7ff70d69bb91bc1e3b8ce80c02cbaaf717668775ebe5f0150f4b98", kill_on_drop: false }`
[INFO] [stdout] 84e6d78f4b7ff70d69bb91bc1e3b8ce80c02cbaaf717668775ebe5f0150f4b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef594f8c7a9a6878d94ee24903a4f2f3751d20e63f4e21cb4c4bd5b5c3f0dc61
[INFO] running `Command { std: "docker" "start" "-a" "ef594f8c7a9a6878d94ee24903a4f2f3751d20e63f4e21cb4c4bd5b5c3f0dc61", kill_on_drop: false }`
[INFO] [stderr]    Compiling houston v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ef594f8c7a9a6878d94ee24903a4f2f3751d20e63f4e21cb4c4bd5b5c3f0dc61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef594f8c7a9a6878d94ee24903a4f2f3751d20e63f4e21cb4c4bd5b5c3f0dc61", kill_on_drop: false }`
[INFO] [stdout] ef594f8c7a9a6878d94ee24903a4f2f3751d20e63f4e21cb4c4bd5b5c3f0dc61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a134b18b08d72666f9479935d867429c85a38ff1e1d6b1afaca5c80b3ba72165
[INFO] running `Command { std: "docker" "start" "-a" "a134b18b08d72666f9479935d867429c85a38ff1e1d6b1afaca5c80b3ba72165", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/houston-f551123753ee60b1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests houston
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [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" "a134b18b08d72666f9479935d867429c85a38ff1e1d6b1afaca5c80b3ba72165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a134b18b08d72666f9479935d867429c85a38ff1e1d6b1afaca5c80b3ba72165", kill_on_drop: false }`
[INFO] [stdout] a134b18b08d72666f9479935d867429c85a38ff1e1d6b1afaca5c80b3ba72165