[INFO] fetching crate lantern 0.1.0...
[INFO] testing lantern-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate lantern 0.1.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate lantern 0.1.0 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 lantern 0.1.0
[INFO] finished tweaking crates.io crate lantern 0.1.0
[INFO] tweaked toml for crates.io crate lantern 0.1.0 written to /workspace/builds/worker-95/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 85fb29b8d7d28a97f6a0deb9467000f78758e9d3decaa85de96d2037aeb7b638
[INFO] running `Command { std: "docker" "start" "-a" "85fb29b8d7d28a97f6a0deb9467000f78758e9d3decaa85de96d2037aeb7b638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fb29b8d7d28a97f6a0deb9467000f78758e9d3decaa85de96d2037aeb7b638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fb29b8d7d28a97f6a0deb9467000f78758e9d3decaa85de96d2037aeb7b638", kill_on_drop: false }`
[INFO] [stdout] 85fb29b8d7d28a97f6a0deb9467000f78758e9d3decaa85de96d2037aeb7b638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] e3a8b2b2c28b83b2ee0e16052f7854f5a7bf545b3aa03e5089c1a472be614e3c
[INFO] running `Command { std: "docker" "start" "-a" "e3a8b2b2c28b83b2ee0e16052f7854f5a7bf545b3aa03e5089c1a472be614e3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lantern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e3a8b2b2c28b83b2ee0e16052f7854f5a7bf545b3aa03e5089c1a472be614e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a8b2b2c28b83b2ee0e16052f7854f5a7bf545b3aa03e5089c1a472be614e3c", kill_on_drop: false }`
[INFO] [stdout] e3a8b2b2c28b83b2ee0e16052f7854f5a7bf545b3aa03e5089c1a472be614e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 1bcca92924e929d86b8f56d69c86f03f5ff4af61c67e99e36b5c0b6024ed5d03
[INFO] running `Command { std: "docker" "start" "-a" "1bcca92924e929d86b8f56d69c86f03f5ff4af61c67e99e36b5c0b6024ed5d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling lantern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "1bcca92924e929d86b8f56d69c86f03f5ff4af61c67e99e36b5c0b6024ed5d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bcca92924e929d86b8f56d69c86f03f5ff4af61c67e99e36b5c0b6024ed5d03", kill_on_drop: false }`
[INFO] [stdout] 1bcca92924e929d86b8f56d69c86f03f5ff4af61c67e99e36b5c0b6024ed5d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 0c0c77eeae6b4fbe6583f4e57a21618d457d981312a7c19e9712b79d39c573ad
[INFO] running `Command { std: "docker" "start" "-a" "0c0c77eeae6b4fbe6583f4e57a21618d457d981312a7c19e9712b79d39c573ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lantern-58a7122289db28bf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests lantern
[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" "0c0c77eeae6b4fbe6583f4e57a21618d457d981312a7c19e9712b79d39c573ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0c77eeae6b4fbe6583f4e57a21618d457d981312a7c19e9712b79d39c573ad", kill_on_drop: false }`
[INFO] [stdout] 0c0c77eeae6b4fbe6583f4e57a21618d457d981312a7c19e9712b79d39c573ad