[INFO] fetching crate flexible-io 0.4.0...
[INFO] testing flexible-io-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flexible-io 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate flexible-io 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate flexible-io 0.4.0
[INFO] tweaked toml for crates.io crate flexible-io 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexible-io 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e786ed75d1823ac48f8924be1895bb9c4229676d570eb1fba33b8e514410b0d0
[INFO] running `Command { std: "docker" "start" "-a" "e786ed75d1823ac48f8924be1895bb9c4229676d570eb1fba33b8e514410b0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e786ed75d1823ac48f8924be1895bb9c4229676d570eb1fba33b8e514410b0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e786ed75d1823ac48f8924be1895bb9c4229676d570eb1fba33b8e514410b0d0", kill_on_drop: false }`
[INFO] [stdout] e786ed75d1823ac48f8924be1895bb9c4229676d570eb1fba33b8e514410b0d0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1386eacbc69ca52c85c4c28c6ed282964d65e5043a189c6ab818de9b3410d2dd
[INFO] running `Command { std: "docker" "start" "-a" "1386eacbc69ca52c85c4c28c6ed282964d65e5043a189c6ab818de9b3410d2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexible-io v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "1386eacbc69ca52c85c4c28c6ed282964d65e5043a189c6ab818de9b3410d2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1386eacbc69ca52c85c4c28c6ed282964d65e5043a189c6ab818de9b3410d2dd", kill_on_drop: false }`
[INFO] [stdout] 1386eacbc69ca52c85c4c28c6ed282964d65e5043a189c6ab818de9b3410d2dd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fecdf72bc88324ac20a2df53bb3f1fb4beaf407dd88d67d3520e7161030d142
[INFO] running `Command { std: "docker" "start" "-a" "6fecdf72bc88324ac20a2df53bb3f1fb4beaf407dd88d67d3520e7161030d142", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexible-io v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "6fecdf72bc88324ac20a2df53bb3f1fb4beaf407dd88d67d3520e7161030d142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fecdf72bc88324ac20a2df53bb3f1fb4beaf407dd88d67d3520e7161030d142", kill_on_drop: false }`
[INFO] [stdout] 6fecdf72bc88324ac20a2df53bb3f1fb4beaf407dd88d67d3520e7161030d142
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c6d916f78995030a447fbfb8b22c99f259e3dae27078f59e3fdd6f5bb5d99f8
[INFO] running `Command { std: "docker" "start" "-a" "5c6d916f78995030a447fbfb8b22c99f259e3dae27078f59e3fdd6f5bb5d99f8", 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/flexible_io-8fc52e60de4a2662)
[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]      Running tests/aliasing.rs (/opt/rustwide/target/debug/deps/aliasing-af96b946b4689c5c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test reader_any ... ok
[INFO] [stdout] test writer_any ... ok
[INFO] [stdout] test reader_reuses ... ok
[INFO] [stdout] test writer_reuses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/boxed.rs (/opt/rustwide/target/debug/deps/boxed-0749ab8fa07b5ce2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test boxed_case ... ok
[INFO] [stdout] test motivation::motivating_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/motivation.rs (/opt/rustwide/target/debug/deps/motivation-6ad7744aaa52542f)
[INFO] [stdout] running 1 test
[INFO] [stdout] test motivating_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flexible_io
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/writer.rs - writer::Writer (line 21) ... ok
[INFO] [stdout] test src/reader.rs - reader::Reader (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c6d916f78995030a447fbfb8b22c99f259e3dae27078f59e3fdd6f5bb5d99f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6d916f78995030a447fbfb8b22c99f259e3dae27078f59e3fdd6f5bb5d99f8", kill_on_drop: false }`
[INFO] [stdout] 5c6d916f78995030a447fbfb8b22c99f259e3dae27078f59e3fdd6f5bb5d99f8