[INFO] fetching crate ref-cast-impl 1.0.6...
[INFO] testing ref-cast-impl-1.0.6 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate ref-cast-impl 1.0.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ref-cast-impl 1.0.6 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref-cast-impl 1.0.6
[INFO] finished tweaking crates.io crate ref-cast-impl 1.0.6
[INFO] tweaked toml for crates.io crate ref-cast-impl 1.0.6 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94833b6a3616380ea1538e589692ee53778405cb831f5c659f06addd0c5dcd9b
[INFO] running `Command { std: "docker" "start" "-a" "94833b6a3616380ea1538e589692ee53778405cb831f5c659f06addd0c5dcd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94833b6a3616380ea1538e589692ee53778405cb831f5c659f06addd0c5dcd9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94833b6a3616380ea1538e589692ee53778405cb831f5c659f06addd0c5dcd9b", kill_on_drop: false }`
[INFO] [stdout] 94833b6a3616380ea1538e589692ee53778405cb831f5c659f06addd0c5dcd9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e4eb6ad4b0005de79b8ae9173ce00240ff72ec4176da7cd8e1ce8bbae5439e
[INFO] running `Command { std: "docker" "start" "-a" "b5e4eb6ad4b0005de79b8ae9173ce00240ff72ec4176da7cd8e1ce8bbae5439e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "b5e4eb6ad4b0005de79b8ae9173ce00240ff72ec4176da7cd8e1ce8bbae5439e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e4eb6ad4b0005de79b8ae9173ce00240ff72ec4176da7cd8e1ce8bbae5439e", kill_on_drop: false }`
[INFO] [stdout] b5e4eb6ad4b0005de79b8ae9173ce00240ff72ec4176da7cd8e1ce8bbae5439e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb4b731a72d1c8f61b6457355742f2b977500486eef5aa64e0620cdbf4bdb88
[INFO] running `Command { std: "docker" "start" "-a" "8eb4b731a72d1c8f61b6457355742f2b977500486eef5aa64e0620cdbf4bdb88", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8eb4b731a72d1c8f61b6457355742f2b977500486eef5aa64e0620cdbf4bdb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb4b731a72d1c8f61b6457355742f2b977500486eef5aa64e0620cdbf4bdb88", kill_on_drop: false }`
[INFO] [stdout] 8eb4b731a72d1c8f61b6457355742f2b977500486eef5aa64e0620cdbf4bdb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76c737efb8418e1d88eadc9c6d18e8c6ec885c27cb9240ac8d2adedd1a88703c
[INFO] running `Command { std: "docker" "start" "-a" "76c737efb8418e1d88eadc9c6d18e8c6ec885c27cb9240ac8d2adedd1a88703c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ref_cast_impl-aaa12e3682a2efe5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ref-cast-impl
[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 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" "76c737efb8418e1d88eadc9c6d18e8c6ec885c27cb9240ac8d2adedd1a88703c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c737efb8418e1d88eadc9c6d18e8c6ec885c27cb9240ac8d2adedd1a88703c", kill_on_drop: false }`
[INFO] [stdout] 76c737efb8418e1d88eadc9c6d18e8c6ec885c27cb9240ac8d2adedd1a88703c