[INFO] fetching crate ewvx 1.1.0...
[INFO] testing ewvx-1.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate ewvx 1.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ewvx 1.1.0
[INFO] finished tweaking crates.io crate ewvx 1.1.0
[INFO] tweaked toml for crates.io crate ewvx 1.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ewvx 1.1.0 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 ewvx 1.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f21925cbacaaa1576b79be5cfc9651642d19d6a79f0b038df1efe77d9909b164
[INFO] running `Command { std: "docker" "start" "-a" "f21925cbacaaa1576b79be5cfc9651642d19d6a79f0b038df1efe77d9909b164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21925cbacaaa1576b79be5cfc9651642d19d6a79f0b038df1efe77d9909b164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21925cbacaaa1576b79be5cfc9651642d19d6a79f0b038df1efe77d9909b164", kill_on_drop: false }`
[INFO] [stdout] f21925cbacaaa1576b79be5cfc9651642d19d6a79f0b038df1efe77d9909b164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c247d8e8512f890c57549beb095867d9deec89406d2b9c7ce68211815018341e
[INFO] running `Command { std: "docker" "start" "-a" "c247d8e8512f890c57549beb095867d9deec89406d2b9c7ce68211815018341e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ewvx v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c247d8e8512f890c57549beb095867d9deec89406d2b9c7ce68211815018341e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c247d8e8512f890c57549beb095867d9deec89406d2b9c7ce68211815018341e", kill_on_drop: false }`
[INFO] [stdout] c247d8e8512f890c57549beb095867d9deec89406d2b9c7ce68211815018341e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b2640abb88ebf7386e4392745bcafd5ec8df38605c6cc73199a10af274abb2b8
[INFO] running `Command { std: "docker" "start" "-a" "b2640abb88ebf7386e4392745bcafd5ec8df38605c6cc73199a10af274abb2b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ewvx v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b2640abb88ebf7386e4392745bcafd5ec8df38605c6cc73199a10af274abb2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2640abb88ebf7386e4392745bcafd5ec8df38605c6cc73199a10af274abb2b8", kill_on_drop: false }`
[INFO] [stdout] b2640abb88ebf7386e4392745bcafd5ec8df38605c6cc73199a10af274abb2b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 15dc7f0aa07d6d017647513f1f8c5a3e01174d2eaa80e740224bd0986f6c3a87
[INFO] running `Command { std: "docker" "start" "-a" "15dc7f0aa07d6d017647513f1f8c5a3e01174d2eaa80e740224bd0986f6c3a87", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ewvx-4ae592f75e5e9779)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests ewvx
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - writer (line 11) ... ok
[INFO] [stdout] test src/lib.rs - reader (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.86s; merged doctests compilation took 0.85s
[INFO] running `Command { std: "docker" "inspect" "15dc7f0aa07d6d017647513f1f8c5a3e01174d2eaa80e740224bd0986f6c3a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dc7f0aa07d6d017647513f1f8c5a3e01174d2eaa80e740224bd0986f6c3a87", kill_on_drop: false }`
[INFO] [stdout] 15dc7f0aa07d6d017647513f1f8c5a3e01174d2eaa80e740224bd0986f6c3a87