[INFO] fetching crate dfb 1.4.0...
[INFO] testing dfb-1.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate dfb 1.4.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate dfb 1.4.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dfb 1.4.0
[INFO] finished tweaking crates.io crate dfb 1.4.0
[INFO] tweaked toml for crates.io crate dfb 1.4.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b337d6246e4ee393c82cffbe8e67b0e4b8202c077c64e58d40349d9c58b2730e
[INFO] running `Command { std: "docker" "start" "-a" "b337d6246e4ee393c82cffbe8e67b0e4b8202c077c64e58d40349d9c58b2730e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b337d6246e4ee393c82cffbe8e67b0e4b8202c077c64e58d40349d9c58b2730e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b337d6246e4ee393c82cffbe8e67b0e4b8202c077c64e58d40349d9c58b2730e", kill_on_drop: false }`
[INFO] [stdout] b337d6246e4ee393c82cffbe8e67b0e4b8202c077c64e58d40349d9c58b2730e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fec357edef57fb0ebf338167a41f9629c6060feee08a86556c9322076ff9a55d
[INFO] running `Command { std: "docker" "start" "-a" "fec357edef57fb0ebf338167a41f9629c6060feee08a86556c9322076ff9a55d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dfb v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "fec357edef57fb0ebf338167a41f9629c6060feee08a86556c9322076ff9a55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec357edef57fb0ebf338167a41f9629c6060feee08a86556c9322076ff9a55d", kill_on_drop: false }`
[INFO] [stdout] fec357edef57fb0ebf338167a41f9629c6060feee08a86556c9322076ff9a55d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbda17c4482dde3a2457321ae84ca19b2ff9e72c9beca3a081850ef64ccc843
[INFO] running `Command { std: "docker" "start" "-a" "6fbda17c4482dde3a2457321ae84ca19b2ff9e72c9beca3a081850ef64ccc843", kill_on_drop: false }`
[INFO] [stderr]    Compiling dfb v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "6fbda17c4482dde3a2457321ae84ca19b2ff9e72c9beca3a081850ef64ccc843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbda17c4482dde3a2457321ae84ca19b2ff9e72c9beca3a081850ef64ccc843", kill_on_drop: false }`
[INFO] [stdout] 6fbda17c4482dde3a2457321ae84ca19b2ff9e72c9beca3a081850ef64ccc843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70addab872cf6128b0c392ad2071e36d4185d9c9c9a36b356df97e0bc91cb823
[INFO] running `Command { std: "docker" "start" "-a" "70addab872cf6128b0c392ad2071e36d4185d9c9c9a36b356df97e0bc91cb823", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dfb-304922ba6b88b411)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests dfb
[INFO] [stdout] test test::type_fifo_test ... ok
[INFO] [stdout] test test::type_fifo_test_2 ... 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 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" "70addab872cf6128b0c392ad2071e36d4185d9c9c9a36b356df97e0bc91cb823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70addab872cf6128b0c392ad2071e36d4185d9c9c9a36b356df97e0bc91cb823", kill_on_drop: false }`
[INFO] [stdout] 70addab872cf6128b0c392ad2071e36d4185d9c9c9a36b356df97e0bc91cb823