[INFO] fetching crate if_empty 0.3.0...
[INFO] testing if_empty-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate if_empty 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate if_empty 0.3.0
[INFO] finished tweaking crates.io crate if_empty 0.3.0
[INFO] tweaked toml for crates.io crate if_empty 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate if_empty 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate if_empty 0.3.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if_empty_derive v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4ea72285058395138211d436376495c7738f5e6665d1ceef5ccac550e6dcec
[INFO] running `Command { std: "docker" "start" "-a" "aa4ea72285058395138211d436376495c7738f5e6665d1ceef5ccac550e6dcec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4ea72285058395138211d436376495c7738f5e6665d1ceef5ccac550e6dcec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4ea72285058395138211d436376495c7738f5e6665d1ceef5ccac550e6dcec", kill_on_drop: false }`
[INFO] [stdout] aa4ea72285058395138211d436376495c7738f5e6665d1ceef5ccac550e6dcec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fab3effbf15d681b35e113f766c17767922438d4b940e8e53c18bd0fb49ea46
[INFO] running `Command { std: "docker" "start" "-a" "9fab3effbf15d681b35e113f766c17767922438d4b940e8e53c18bd0fb49ea46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling if_empty_derive v0.1.0
[INFO] [stderr]    Compiling if_empty v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "9fab3effbf15d681b35e113f766c17767922438d4b940e8e53c18bd0fb49ea46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fab3effbf15d681b35e113f766c17767922438d4b940e8e53c18bd0fb49ea46", kill_on_drop: false }`
[INFO] [stdout] 9fab3effbf15d681b35e113f766c17767922438d4b940e8e53c18bd0fb49ea46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d59f2ddad0dbde0f167cf5d8bd82ae674f57dac362753a2384382e32c5245ed2
[INFO] running `Command { std: "docker" "start" "-a" "d59f2ddad0dbde0f167cf5d8bd82ae674f57dac362753a2384382e32c5245ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling if_empty v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d59f2ddad0dbde0f167cf5d8bd82ae674f57dac362753a2384382e32c5245ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59f2ddad0dbde0f167cf5d8bd82ae674f57dac362753a2384382e32c5245ed2", kill_on_drop: false }`
[INFO] [stdout] d59f2ddad0dbde0f167cf5d8bd82ae674f57dac362753a2384382e32c5245ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 677183b4c28551f8dae5e89f4f553876b0ab2070d6becfdaee4671f1baa72290
[INFO] running `Command { std: "docker" "start" "-a" "677183b4c28551f8dae5e89f4f553876b0ab2070d6becfdaee4671f1baa72290", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/if_empty-8c715c3518fd9dac)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::derive_macro ... ok
[INFO] [stdout] test tests::string ... ok
[INFO] [stdout] test tests::os_str ... ok
[INFO] [stdout] test tests::custom ... ok
[INFO] [stdout] test tests::str ... ok
[INFO] [stdout] test tests::os_string ... ok
[INFO] [stderr]    Doc-tests if_empty
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "677183b4c28551f8dae5e89f4f553876b0ab2070d6becfdaee4671f1baa72290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677183b4c28551f8dae5e89f4f553876b0ab2070d6becfdaee4671f1baa72290", kill_on_drop: false }`
[INFO] [stdout] 677183b4c28551f8dae5e89f4f553876b0ab2070d6becfdaee4671f1baa72290