[INFO] crate dylib 0.0.3 is already in cache
[INFO] testing dylib-0.0.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate dylib 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dylib 0.0.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dylib 0.0.3
[INFO] finished tweaking crates.io crate dylib 0.0.3
[INFO] tweaked toml for crates.io crate dylib 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 507c5cfd96f3960de002a273076517418721231b56cc300063c3746e2ddf7e18
[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" "507c5cfd96f3960de002a273076517418721231b56cc300063c3746e2ddf7e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507c5cfd96f3960de002a273076517418721231b56cc300063c3746e2ddf7e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507c5cfd96f3960de002a273076517418721231b56cc300063c3746e2ddf7e18", kill_on_drop: false }`
[INFO] [stdout] 507c5cfd96f3960de002a273076517418721231b56cc300063c3746e2ddf7e18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b58b8905da1117dc9a0bb263b670ae58bc71b318913dd1aeb6ad01e52c081f4
[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" "3b58b8905da1117dc9a0bb263b670ae58bc71b318913dd1aeb6ad01e52c081f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dylib v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:212:27
[INFO] [stdout]     |
[INFO] [stdout] 212 |             if last_error.is_null() {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "3b58b8905da1117dc9a0bb263b670ae58bc71b318913dd1aeb6ad01e52c081f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b58b8905da1117dc9a0bb263b670ae58bc71b318913dd1aeb6ad01e52c081f4", kill_on_drop: false }`
[INFO] [stdout] 3b58b8905da1117dc9a0bb263b670ae58bc71b318913dd1aeb6ad01e52c081f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e6fe814b093a1ce4aaac7345525d9b57e7769bb367c40cbe17442b027eee20
[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" "f3e6fe814b093a1ce4aaac7345525d9b57e7769bb367c40cbe17442b027eee20", kill_on_drop: false }`
[INFO] [stderr]    Compiling dylib v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:212:27
[INFO] [stdout]     |
[INFO] [stdout] 212 |             if last_error.is_null() {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `path`
[INFO] [stdout]    --> src/lib.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     use path::Path;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         unresolved import
[INFO] [stdout]     |         help: a similar path exists: `std::path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/lib.rs:212:27
[INFO] [stdout]     |
[INFO] [stdout] 212 |             if last_error.is_null() {
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dylib`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f3e6fe814b093a1ce4aaac7345525d9b57e7769bb367c40cbe17442b027eee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e6fe814b093a1ce4aaac7345525d9b57e7769bb367c40cbe17442b027eee20", kill_on_drop: false }`
[INFO] [stdout] f3e6fe814b093a1ce4aaac7345525d9b57e7769bb367c40cbe17442b027eee20