[INFO] fetching crate stdio2 0.1.0...
[INFO] testing stdio2-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate stdio2 0.1.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate stdio2 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stdio2 0.1.0
[INFO] finished tweaking crates.io crate stdio2 0.1.0
[INFO] tweaked toml for crates.io crate stdio2 0.1.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe88cce4f4beb5764a3b205085be5955a2fa2e7de427a85b1f2f5c40f02ae82
[INFO] running `Command { std: "docker" "start" "-a" "bfe88cce4f4beb5764a3b205085be5955a2fa2e7de427a85b1f2f5c40f02ae82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe88cce4f4beb5764a3b205085be5955a2fa2e7de427a85b1f2f5c40f02ae82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe88cce4f4beb5764a3b205085be5955a2fa2e7de427a85b1f2f5c40f02ae82", kill_on_drop: false }`
[INFO] [stdout] bfe88cce4f4beb5764a3b205085be5955a2fa2e7de427a85b1f2f5c40f02ae82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9655978778191312eeccebc835857950461e5ff2f6c24f091e63bb21e4ca0b1
[INFO] running `Command { std: "docker" "start" "-a" "a9655978778191312eeccebc835857950461e5ff2f6c24f091e63bb21e4ca0b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdio2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a9655978778191312eeccebc835857950461e5ff2f6c24f091e63bb21e4ca0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9655978778191312eeccebc835857950461e5ff2f6c24f091e63bb21e4ca0b1", kill_on_drop: false }`
[INFO] [stdout] a9655978778191312eeccebc835857950461e5ff2f6c24f091e63bb21e4ca0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff21e2a6738a8a38dbc53449089e409e92da6880e7fdca57a9abdaea086445a8
[INFO] running `Command { std: "docker" "start" "-a" "ff21e2a6738a8a38dbc53449089e409e92da6880e7fdca57a9abdaea086445a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdio2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "ff21e2a6738a8a38dbc53449089e409e92da6880e7fdca57a9abdaea086445a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff21e2a6738a8a38dbc53449089e409e92da6880e7fdca57a9abdaea086445a8", kill_on_drop: false }`
[INFO] [stdout] ff21e2a6738a8a38dbc53449089e409e92da6880e7fdca57a9abdaea086445a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de1c54ee079d4bf38ef3a2b3d6aa5d205f48902d91c804f1ffa79a2ac59d1eb7
[INFO] running `Command { std: "docker" "start" "-a" "de1c54ee079d4bf38ef3a2b3d6aa5d205f48902d91c804f1ffa79a2ac59d1eb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stdio2-b2347f3e39c86346)
[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 stdio2
[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] running `Command { std: "docker" "inspect" "de1c54ee079d4bf38ef3a2b3d6aa5d205f48902d91c804f1ffa79a2ac59d1eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1c54ee079d4bf38ef3a2b3d6aa5d205f48902d91c804f1ffa79a2ac59d1eb7", kill_on_drop: false }`
[INFO] [stdout] de1c54ee079d4bf38ef3a2b3d6aa5d205f48902d91c804f1ffa79a2ac59d1eb7