[INFO] fetching crate reader_ext 0.0.1...
[INFO] testing reader_ext-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate reader_ext 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate reader_ext 0.0.1
[INFO] finished tweaking crates.io crate reader_ext 0.0.1
[INFO] tweaked toml for crates.io crate reader_ext 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reader_ext 0.0.1 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 reader_ext 0.0.1 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] b699e6139003b82d24ce884e6c8c91c4069f611506f608c3c5f54850c3ce7cf4
[INFO] running `Command { std: "docker" "start" "-a" "b699e6139003b82d24ce884e6c8c91c4069f611506f608c3c5f54850c3ce7cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b699e6139003b82d24ce884e6c8c91c4069f611506f608c3c5f54850c3ce7cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b699e6139003b82d24ce884e6c8c91c4069f611506f608c3c5f54850c3ce7cf4", kill_on_drop: false }`
[INFO] [stdout] b699e6139003b82d24ce884e6c8c91c4069f611506f608c3c5f54850c3ce7cf4
[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] 40d4e889297c7e052f4bb120584f8f5f26729d46a4264cea69398a6c24465d0b
[INFO] running `Command { std: "docker" "start" "-a" "40d4e889297c7e052f4bb120584f8f5f26729d46a4264cea69398a6c24465d0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling reader_ext v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "40d4e889297c7e052f4bb120584f8f5f26729d46a4264cea69398a6c24465d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d4e889297c7e052f4bb120584f8f5f26729d46a4264cea69398a6c24465d0b", kill_on_drop: false }`
[INFO] [stdout] 40d4e889297c7e052f4bb120584f8f5f26729d46a4264cea69398a6c24465d0b
[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] a05ec67629170282c7a5307b6abb0c40ffbfc55f53e3ea58af8aca5aac3b70ac
[INFO] running `Command { std: "docker" "start" "-a" "a05ec67629170282c7a5307b6abb0c40ffbfc55f53e3ea58af8aca5aac3b70ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling reader_ext v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "a05ec67629170282c7a5307b6abb0c40ffbfc55f53e3ea58af8aca5aac3b70ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05ec67629170282c7a5307b6abb0c40ffbfc55f53e3ea58af8aca5aac3b70ac", kill_on_drop: false }`
[INFO] [stdout] a05ec67629170282c7a5307b6abb0c40ffbfc55f53e3ea58af8aca5aac3b70ac
[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] 0fdb42db1e5834954feac3a32af0b842c06f557fb4f487ab8115bb0f429985dc
[INFO] running `Command { std: "docker" "start" "-a" "0fdb42db1e5834954feac3a32af0b842c06f557fb4f487ab8115bb0f429985dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reader_ext-870f8fa8a7804e0b)
[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 reader_ext
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Rewinder (line 237) ... ok
[INFO] [stdout] test src/lib.rs - Rewind (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Rewind::try_rebuild (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.74s; merged doctests compilation took 0.71s
[INFO] running `Command { std: "docker" "inspect" "0fdb42db1e5834954feac3a32af0b842c06f557fb4f487ab8115bb0f429985dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fdb42db1e5834954feac3a32af0b842c06f557fb4f487ab8115bb0f429985dc", kill_on_drop: false }`
[INFO] [stdout] 0fdb42db1e5834954feac3a32af0b842c06f557fb4f487ab8115bb0f429985dc