[INFO] fetching crate cef-sys 0.0.3...
[INFO] checking cef-sys-0.0.3 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate cef-sys 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cef-sys 0.0.3 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cef-sys 0.0.3
[INFO] finished tweaking crates.io crate cef-sys 0.0.3
[INFO] tweaked toml for crates.io crate cef-sys 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f950d36b0e6096809485a46c9998e9f6701d3aca7aaeb76df1e9e07e97199011
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f950d36b0e6096809485a46c9998e9f6701d3aca7aaeb76df1e9e07e97199011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f950d36b0e6096809485a46c9998e9f6701d3aca7aaeb76df1e9e07e97199011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f950d36b0e6096809485a46c9998e9f6701d3aca7aaeb76df1e9e07e97199011", kill_on_drop: false }`
[INFO] [stdout] f950d36b0e6096809485a46c9998e9f6701d3aca7aaeb76df1e9e07e97199011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d0c3bde6b48d4e75b90bfa72e04fda0370fdec6aba1741eef84587bfb2dd368
[INFO] running `Command { std: "docker" "start" "-a" "4d0c3bde6b48d4e75b90bfa72e04fda0370fdec6aba1741eef84587bfb2dd368", kill_on_drop: false }`
[INFO] [stderr]    Compiling cef-sys v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `old_io` in `std`
[INFO] [stdout]  --> build.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::old_io::fs::PathExtensions;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stdout]   --> build.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     match os::getenv("TARGET").unwrap().split('-').nth(2).unwrap() {
[INFO] [stdout]    |               ^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `dll_filename` in module `os`
[INFO] [stdout]   --> build.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let dll_file_name = os::dll_filename(dll_name);
[INFO] [stdout]    |                             ^^^^^^^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> build.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let cef_dir = Path::new(os::getenv("CEF_PATH")
[INFO] [stdout]    |                   ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stdout]   --> build.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let cef_dir = Path::new(os::getenv("CEF_PATH")
[INFO] [stdout]    |                                 ^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cef-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4d0c3bde6b48d4e75b90bfa72e04fda0370fdec6aba1741eef84587bfb2dd368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0c3bde6b48d4e75b90bfa72e04fda0370fdec6aba1741eef84587bfb2dd368", kill_on_drop: false }`
[INFO] [stdout] 4d0c3bde6b48d4e75b90bfa72e04fda0370fdec6aba1741eef84587bfb2dd368