[INFO] fetching crate flexible-io 0.4.0...
[INFO] testing flexible-io-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate flexible-io 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexible-io 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f6be047d28e1fa5de0e3b21e4b86ee4e71b17757fb4fd2190dac82bada06a55
[INFO] running `Command { std: "docker" "start" "-a" "4f6be047d28e1fa5de0e3b21e4b86ee4e71b17757fb4fd2190dac82bada06a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6be047d28e1fa5de0e3b21e4b86ee4e71b17757fb4fd2190dac82bada06a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6be047d28e1fa5de0e3b21e4b86ee4e71b17757fb4fd2190dac82bada06a55", kill_on_drop: false }`
[INFO] [stdout] 4f6be047d28e1fa5de0e3b21e4b86ee4e71b17757fb4fd2190dac82bada06a55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651e266dbf10a266443c1a970077e57a69d1b942faf0bffb1a20de8db93a5e5e
[INFO] running `Command { std: "docker" "start" "-a" "651e266dbf10a266443c1a970077e57a69d1b942faf0bffb1a20de8db93a5e5e", 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 0.21s
[INFO] running `Command { std: "docker" "inspect" "651e266dbf10a266443c1a970077e57a69d1b942faf0bffb1a20de8db93a5e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651e266dbf10a266443c1a970077e57a69d1b942faf0bffb1a20de8db93a5e5e", kill_on_drop: false }`
[INFO] [stdout] 651e266dbf10a266443c1a970077e57a69d1b942faf0bffb1a20de8db93a5e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da38c18775584de6259d2afa119f5d2f4739244ca0d798557b8386b4e90fe238
[INFO] running `Command { std: "docker" "start" "-a" "da38c18775584de6259d2afa119f5d2f4739244ca0d798557b8386b4e90fe238", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "da38c18775584de6259d2afa119f5d2f4739244ca0d798557b8386b4e90fe238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da38c18775584de6259d2afa119f5d2f4739244ca0d798557b8386b4e90fe238", kill_on_drop: false }`
[INFO] [stdout] da38c18775584de6259d2afa119f5d2f4739244ca0d798557b8386b4e90fe238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d483fd88a11f89dc9af592f3280e572bb91477ed0d01faa520668653fcb2d150
[INFO] running `Command { std: "docker" "start" "-a" "d483fd88a11f89dc9af592f3280e572bb91477ed0d01faa520668653fcb2d150", 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/flexible_io-b308497a7b6f8f4c)
[INFO] [stderr]      Running tests/aliasing.rs (/opt/rustwide/target/debug/deps/aliasing-bcd45857d7eb98ab)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test reader_any ... ok
[INFO] [stdout] test reader_reuses ... ok
[INFO] [stdout] test writer_any ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/boxed.rs (/opt/rustwide/target/debug/deps/boxed-5598aa2fba69c292)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test motivation::motivating_case ... ok
[INFO] [stderr]      Running tests/motivation.rs (/opt/rustwide/target/debug/deps/motivation-379fec10119b014c)
[INFO] [stdout] test boxed_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] [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 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d483fd88a11f89dc9af592f3280e572bb91477ed0d01faa520668653fcb2d150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d483fd88a11f89dc9af592f3280e572bb91477ed0d01faa520668653fcb2d150", kill_on_drop: false }`
[INFO] [stdout] d483fd88a11f89dc9af592f3280e572bb91477ed0d01faa520668653fcb2d150