[INFO] fetching crate acto 0.1.0...
[INFO] checking acto-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate acto 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate acto 0.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acto 0.1.0
[INFO] finished tweaking crates.io crate acto 0.1.0
[INFO] tweaked toml for crates.io crate acto 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate acto 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9348560c103adeff8618a48822056218443f6f71fe8ab826a2bba6bf4356cb43
[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" "9348560c103adeff8618a48822056218443f6f71fe8ab826a2bba6bf4356cb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9348560c103adeff8618a48822056218443f6f71fe8ab826a2bba6bf4356cb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9348560c103adeff8618a48822056218443f6f71fe8ab826a2bba6bf4356cb43", kill_on_drop: false }`
[INFO] [stdout] 9348560c103adeff8618a48822056218443f6f71fe8ab826a2bba6bf4356cb43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5492613a4de1615a22ee4f07f87499d025a4e20be0df5b521cf804b47955d9d9
[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" "5492613a4de1615a22ee4f07f87499d025a4e20be0df5b521cf804b47955d9d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking acto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `actor`
[INFO] [stdout]  --> examples/pingpong.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actor::{spawn_actor, spawn_actor_spsc, AnySender, Mailbox, SenderGone, MPSC, SPSC};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `actor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `acto`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5492613a4de1615a22ee4f07f87499d025a4e20be0df5b521cf804b47955d9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5492613a4de1615a22ee4f07f87499d025a4e20be0df5b521cf804b47955d9d9", kill_on_drop: false }`
[INFO] [stdout] 5492613a4de1615a22ee4f07f87499d025a4e20be0df5b521cf804b47955d9d9