[INFO] fetching crate slings 0.3.0...
[INFO] checking slings-0.3.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate slings 0.3.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate slings 0.3.0 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 slings 0.3.0
[INFO] finished tweaking crates.io crate slings 0.3.0
[INFO] tweaked toml for crates.io crate slings 0.3.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate slings 0.3.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 599c105fb6d9d2d213df10529e8fe8605e2ab132cb2d43d72174e9fea12bd9df
[INFO] running `Command { std: "docker" "start" "-a" "599c105fb6d9d2d213df10529e8fe8605e2ab132cb2d43d72174e9fea12bd9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "599c105fb6d9d2d213df10529e8fe8605e2ab132cb2d43d72174e9fea12bd9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599c105fb6d9d2d213df10529e8fe8605e2ab132cb2d43d72174e9fea12bd9df", kill_on_drop: false }`
[INFO] [stdout] 599c105fb6d9d2d213df10529e8fe8605e2ab132cb2d43d72174e9fea12bd9df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 2c05e3f935a8bba20a15bcc25465ebfc8d769d6a01b72f8e93bd304727f3a948
[INFO] running `Command { std: "docker" "start" "-a" "2c05e3f935a8bba20a15bcc25465ebfc8d769d6a01b72f8e93bd304727f3a948", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling io-uring v0.5.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking slings v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "2c05e3f935a8bba20a15bcc25465ebfc8d769d6a01b72f8e93bd304727f3a948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c05e3f935a8bba20a15bcc25465ebfc8d769d6a01b72f8e93bd304727f3a948", kill_on_drop: false }`
[INFO] [stdout] 2c05e3f935a8bba20a15bcc25465ebfc8d769d6a01b72f8e93bd304727f3a948