[INFO] fetching crate ref-cast 1.0.6...
[INFO] checking ref-cast-1.0.6 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate ref-cast 1.0.6 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate ref-cast 1.0.6 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref-cast 1.0.6
[INFO] finished tweaking crates.io crate ref-cast 1.0.6
[INFO] tweaked toml for crates.io crate ref-cast 1.0.6 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9578ecab294bccb4bfc1a2d6f669f92a7a543e379a55cf0d2179f8c665834dba
[INFO] running `Command { std: "docker" "start" "-a" "9578ecab294bccb4bfc1a2d6f669f92a7a543e379a55cf0d2179f8c665834dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9578ecab294bccb4bfc1a2d6f669f92a7a543e379a55cf0d2179f8c665834dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9578ecab294bccb4bfc1a2d6f669f92a7a543e379a55cf0d2179f8c665834dba", kill_on_drop: false }`
[INFO] [stdout] 9578ecab294bccb4bfc1a2d6f669f92a7a543e379a55cf0d2179f8c665834dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ca2e7d35778da3a7994225eaf0d8bf288c61e7c29c063f5ac5eba774914afc2
[INFO] running `Command { std: "docker" "start" "-a" "9ca2e7d35778da3a7994225eaf0d8bf288c61e7c29c063f5ac5eba774914afc2", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling ref-cast v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.76s
[INFO] running `Command { std: "docker" "inspect" "9ca2e7d35778da3a7994225eaf0d8bf288c61e7c29c063f5ac5eba774914afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca2e7d35778da3a7994225eaf0d8bf288c61e7c29c063f5ac5eba774914afc2", kill_on_drop: false }`
[INFO] [stdout] 9ca2e7d35778da3a7994225eaf0d8bf288c61e7c29c063f5ac5eba774914afc2