[INFO] cloning repository https://github.com/garyemerson/file_buffer_size_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyemerson/file_buffer_size_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Ffile_buffer_size_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Ffile_buffer_size_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 004374d4a28014ed25bfcff5ca7890c8b10f020b
[INFO] testing garyemerson/file_buffer_size_test against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryemerson%2Ffile_buffer_size_test" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garyemerson/file_buffer_size_test 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 git repo https://github.com/garyemerson/file_buffer_size_test
[INFO] finished tweaking git repo https://github.com/garyemerson/file_buffer_size_test
[INFO] tweaked toml for git repo https://github.com/garyemerson/file_buffer_size_test written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/garyemerson/file_buffer_size_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 8235161f8a9bc3de6237ed2c8132933b718ec4f3b63a46a5e08f41bdd9660ba8
[INFO] running `Command { std: "docker" "start" "-a" "8235161f8a9bc3de6237ed2c8132933b718ec4f3b63a46a5e08f41bdd9660ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8235161f8a9bc3de6237ed2c8132933b718ec4f3b63a46a5e08f41bdd9660ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8235161f8a9bc3de6237ed2c8132933b718ec4f3b63a46a5e08f41bdd9660ba8", kill_on_drop: false }`
[INFO] [stdout] 8235161f8a9bc3de6237ed2c8132933b718ec4f3b63a46a5e08f41bdd9660ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] f43f8849c8617dbcf55b16674fd4e52c6db2b1bb65313ce83817963a9b8bf4a4
[INFO] running `Command { std: "docker" "start" "-a" "f43f8849c8617dbcf55b16674fd4e52c6db2b1bb65313ce83817963a9b8bf4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling file_buffer_size_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "f43f8849c8617dbcf55b16674fd4e52c6db2b1bb65313ce83817963a9b8bf4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43f8849c8617dbcf55b16674fd4e52c6db2b1bb65313ce83817963a9b8bf4a4", kill_on_drop: false }`
[INFO] [stdout] f43f8849c8617dbcf55b16674fd4e52c6db2b1bb65313ce83817963a9b8bf4a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] df8c0400d00ca6e24b246abd34c424365d216ca55e8fc3aec8c59d9fc7414cf5
[INFO] running `Command { std: "docker" "start" "-a" "df8c0400d00ca6e24b246abd34c424365d216ca55e8fc3aec8c59d9fc7414cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_buffer_size_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "df8c0400d00ca6e24b246abd34c424365d216ca55e8fc3aec8c59d9fc7414cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8c0400d00ca6e24b246abd34c424365d216ca55e8fc3aec8c59d9fc7414cf5", kill_on_drop: false }`
[INFO] [stdout] df8c0400d00ca6e24b246abd34c424365d216ca55e8fc3aec8c59d9fc7414cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 21f3f66b1797109fa2a5f21d243735b91c227e2d5221e31ece8b0e43be6e3a40
[INFO] running `Command { std: "docker" "start" "-a" "21f3f66b1797109fa2a5f21d243735b91c227e2d5221e31ece8b0e43be6e3a40", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_buffer_size_test-56d7925df3bc3792)
[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" "21f3f66b1797109fa2a5f21d243735b91c227e2d5221e31ece8b0e43be6e3a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f3f66b1797109fa2a5f21d243735b91c227e2d5221e31ece8b0e43be6e3a40", kill_on_drop: false }`
[INFO] [stdout] 21f3f66b1797109fa2a5f21d243735b91c227e2d5221e31ece8b0e43be6e3a40