[INFO] fetching crate multi-readers 0.6.0...
[INFO] testing multi-readers-0.6.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate multi-readers 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate multi-readers 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate multi-readers 0.6.0
[INFO] tweaked toml for crates.io crate multi-readers 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi-readers 0.6.0 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 multi-readers 0.6.0 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb514cd8ae3094f9400ae7927ab1bd1e526b57e653f7b9d34194bf19b3366b01
[INFO] running `Command { std: "docker" "start" "-a" "fb514cd8ae3094f9400ae7927ab1bd1e526b57e653f7b9d34194bf19b3366b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb514cd8ae3094f9400ae7927ab1bd1e526b57e653f7b9d34194bf19b3366b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb514cd8ae3094f9400ae7927ab1bd1e526b57e653f7b9d34194bf19b3366b01", kill_on_drop: false }`
[INFO] [stdout] fb514cd8ae3094f9400ae7927ab1bd1e526b57e653f7b9d34194bf19b3366b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9067a3bfe4b1e0b0af445f0f626ea05e8f6253064a63943d53c677115592fd55
[INFO] running `Command { std: "docker" "start" "-a" "9067a3bfe4b1e0b0af445f0f626ea05e8f6253064a63943d53c677115592fd55", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi-readers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9067a3bfe4b1e0b0af445f0f626ea05e8f6253064a63943d53c677115592fd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9067a3bfe4b1e0b0af445f0f626ea05e8f6253064a63943d53c677115592fd55", kill_on_drop: false }`
[INFO] [stdout] 9067a3bfe4b1e0b0af445f0f626ea05e8f6253064a63943d53c677115592fd55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a372d05e067555eb32fa02d55df16b311852eddcd5eed80a3c920b0168a1e34b
[INFO] running `Command { std: "docker" "start" "-a" "a372d05e067555eb32fa02d55df16b311852eddcd5eed80a3c920b0168a1e34b", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi-readers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a372d05e067555eb32fa02d55df16b311852eddcd5eed80a3c920b0168a1e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a372d05e067555eb32fa02d55df16b311852eddcd5eed80a3c920b0168a1e34b", kill_on_drop: false }`
[INFO] [stdout] a372d05e067555eb32fa02d55df16b311852eddcd5eed80a3c920b0168a1e34b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 03d1e3c6ada3269aa000eb9592cae8ae89184020b78ee18096e6637a56297450
[INFO] running `Command { std: "docker" "start" "-a" "03d1e3c6ada3269aa000eb9592cae8ae89184020b78ee18096e6637a56297450", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_readers-236421769716b87f)
[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 multi_readers
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/wrap.rs - wrap::open (line 37) ... ignored
[INFO] [stdout] test src/wrap.rs - wrap::wrap (line 6) ... ignored
[INFO] [stdout] test src/reader.rs - reader::MultiReaders<T>::flatten (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03d1e3c6ada3269aa000eb9592cae8ae89184020b78ee18096e6637a56297450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d1e3c6ada3269aa000eb9592cae8ae89184020b78ee18096e6637a56297450", kill_on_drop: false }`
[INFO] [stdout] 03d1e3c6ada3269aa000eb9592cae8ae89184020b78ee18096e6637a56297450