[INFO] fetching crate multi-readers 0.6.0...
[INFO] testing multi-readers-0.6.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate multi-readers 0.6.0 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi-readers 0.6.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ede3ca7decf28afce2e3826b77534bfc9da00d7ab0728cce19917844d5b06218
[INFO] running `Command { std: "docker" "start" "-a" "ede3ca7decf28afce2e3826b77534bfc9da00d7ab0728cce19917844d5b06218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede3ca7decf28afce2e3826b77534bfc9da00d7ab0728cce19917844d5b06218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede3ca7decf28afce2e3826b77534bfc9da00d7ab0728cce19917844d5b06218", kill_on_drop: false }`
[INFO] [stdout] ede3ca7decf28afce2e3826b77534bfc9da00d7ab0728cce19917844d5b06218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc9f6c33e4b59311bf15766b4f9951d74e45831056c914ab92159d828313c47
[INFO] running `Command { std: "docker" "start" "-a" "6fc9f6c33e4b59311bf15766b4f9951d74e45831056c914ab92159d828313c47", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "6fc9f6c33e4b59311bf15766b4f9951d74e45831056c914ab92159d828313c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc9f6c33e4b59311bf15766b4f9951d74e45831056c914ab92159d828313c47", kill_on_drop: false }`
[INFO] [stdout] 6fc9f6c33e4b59311bf15766b4f9951d74e45831056c914ab92159d828313c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1830c1a6c3862a55f80220f9eb3bd18c323325e0367c2f6f051d0e17d24ae7b
[INFO] running `Command { std: "docker" "start" "-a" "c1830c1a6c3862a55f80220f9eb3bd18c323325e0367c2f6f051d0e17d24ae7b", 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 0.78s
[INFO] running `Command { std: "docker" "inspect" "c1830c1a6c3862a55f80220f9eb3bd18c323325e0367c2f6f051d0e17d24ae7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1830c1a6c3862a55f80220f9eb3bd18c323325e0367c2f6f051d0e17d24ae7b", kill_on_drop: false }`
[INFO] [stdout] c1830c1a6c3862a55f80220f9eb3bd18c323325e0367c2f6f051d0e17d24ae7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de832c9dd3540c3b848136cdeaf375e50810240fc9a3c6960be0a49ec444184e
[INFO] running `Command { std: "docker" "start" "-a" "de832c9dd3540c3b848136cdeaf375e50810240fc9a3c6960be0a49ec444184e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[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 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de832c9dd3540c3b848136cdeaf375e50810240fc9a3c6960be0a49ec444184e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de832c9dd3540c3b848136cdeaf375e50810240fc9a3c6960be0a49ec444184e", kill_on_drop: false }`
[INFO] [stdout] de832c9dd3540c3b848136cdeaf375e50810240fc9a3c6960be0a49ec444184e