[INFO] fetching crate ref-cast-impl 1.0.6...
[INFO] testing ref-cast-impl-1.0.6 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate ref-cast-impl 1.0.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ref-cast-impl 1.0.6 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa8e3c36bf76063e3a93c7fc53720dc685f4abf6a21a65d6d6916d158c2e1556
[INFO] running `Command { std: "docker" "start" "-a" "fa8e3c36bf76063e3a93c7fc53720dc685f4abf6a21a65d6d6916d158c2e1556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa8e3c36bf76063e3a93c7fc53720dc685f4abf6a21a65d6d6916d158c2e1556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8e3c36bf76063e3a93c7fc53720dc685f4abf6a21a65d6d6916d158c2e1556", kill_on_drop: false }`
[INFO] [stdout] fa8e3c36bf76063e3a93c7fc53720dc685f4abf6a21a65d6d6916d158c2e1556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1699a04fde28cfa9f17d470e241dab5c3d501119206a1f5641b22248c5decf59
[INFO] running `Command { std: "docker" "start" "-a" "1699a04fde28cfa9f17d470e241dab5c3d501119206a1f5641b22248c5decf59", 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" "1699a04fde28cfa9f17d470e241dab5c3d501119206a1f5641b22248c5decf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1699a04fde28cfa9f17d470e241dab5c3d501119206a1f5641b22248c5decf59", kill_on_drop: false }`
[INFO] [stdout] 1699a04fde28cfa9f17d470e241dab5c3d501119206a1f5641b22248c5decf59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c9fe6c7f78e38a4e2203c68cb5de0327037da737a7f4abec7c9dad33d55e9b
[INFO] running `Command { std: "docker" "start" "-a" "b7c9fe6c7f78e38a4e2203c68cb5de0327037da737a7f4abec7c9dad33d55e9b", 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "b7c9fe6c7f78e38a4e2203c68cb5de0327037da737a7f4abec7c9dad33d55e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c9fe6c7f78e38a4e2203c68cb5de0327037da737a7f4abec7c9dad33d55e9b", kill_on_drop: false }`
[INFO] [stdout] b7c9fe6c7f78e38a4e2203c68cb5de0327037da737a7f4abec7c9dad33d55e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89fd3657e0bb96650b178fddcb968c45e8049cc9119795c0aa6432ede2949cbe
[INFO] running `Command { std: "docker" "start" "-a" "89fd3657e0bb96650b178fddcb968c45e8049cc9119795c0aa6432ede2949cbe", 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] [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 ref-cast-impl
[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" "89fd3657e0bb96650b178fddcb968c45e8049cc9119795c0aa6432ede2949cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fd3657e0bb96650b178fddcb968c45e8049cc9119795c0aa6432ede2949cbe", kill_on_drop: false }`
[INFO] [stdout] 89fd3657e0bb96650b178fddcb968c45e8049cc9119795c0aa6432ede2949cbe