[INFO] fetching crate knube 0.2.0...
[INFO] testing knube-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate knube 0.2.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate knube 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knube 0.2.0
[INFO] finished tweaking crates.io crate knube 0.2.0
[INFO] tweaked toml for crates.io crate knube 0.2.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate knube 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dac1304ca1b9c118624bfb22edecb42f10f1a7365dc29305ce0b2731640440b
[INFO] running `Command { std: "docker" "start" "-a" "8dac1304ca1b9c118624bfb22edecb42f10f1a7365dc29305ce0b2731640440b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dac1304ca1b9c118624bfb22edecb42f10f1a7365dc29305ce0b2731640440b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dac1304ca1b9c118624bfb22edecb42f10f1a7365dc29305ce0b2731640440b", kill_on_drop: false }`
[INFO] [stdout] 8dac1304ca1b9c118624bfb22edecb42f10f1a7365dc29305ce0b2731640440b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d773ede63f9c40e84864b8da0f3d46370a6235531f7ab83925246d880628567
[INFO] running `Command { std: "docker" "start" "-a" "8d773ede63f9c40e84864b8da0f3d46370a6235531f7ab83925246d880628567", kill_on_drop: false }`
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "8d773ede63f9c40e84864b8da0f3d46370a6235531f7ab83925246d880628567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d773ede63f9c40e84864b8da0f3d46370a6235531f7ab83925246d880628567", kill_on_drop: false }`
[INFO] [stdout] 8d773ede63f9c40e84864b8da0f3d46370a6235531f7ab83925246d880628567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5cee0e9f5483f51f062a7c1070968eea71f1fbc326d3b5283abbce44e4cd27
[INFO] running `Command { std: "docker" "start" "-a" "cb5cee0e9f5483f51f062a7c1070968eea71f1fbc326d3b5283abbce44e4cd27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knube v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "cb5cee0e9f5483f51f062a7c1070968eea71f1fbc326d3b5283abbce44e4cd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5cee0e9f5483f51f062a7c1070968eea71f1fbc326d3b5283abbce44e4cd27", kill_on_drop: false }`
[INFO] [stdout] cb5cee0e9f5483f51f062a7c1070968eea71f1fbc326d3b5283abbce44e4cd27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4451f7703113a1c74e19cb703f7362454d15a7feff0f509e51ba792b2ad6e3a
[INFO] running `Command { std: "docker" "start" "-a" "d4451f7703113a1c74e19cb703f7362454d15a7feff0f509e51ba792b2ad6e3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knube-9ebedc291723d8f1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test exp::tests::exp_display_format ... ok
[INFO] [stdout] test exp::tests::exp_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knube-520b4f00f214011c)
[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] [stderr]    Doc-tests knube
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/exp.rs - exp (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4451f7703113a1c74e19cb703f7362454d15a7feff0f509e51ba792b2ad6e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4451f7703113a1c74e19cb703f7362454d15a7feff0f509e51ba792b2ad6e3a", kill_on_drop: false }`
[INFO] [stdout] d4451f7703113a1c74e19cb703f7362454d15a7feff0f509e51ba792b2ad6e3a