[INFO] fetching crate yarte_helpers 0.12.0...
[INFO] checking yarte_helpers-0.12.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate yarte_helpers 0.12.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate yarte_helpers 0.12.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarte_helpers 0.12.0
[INFO] finished tweaking crates.io crate yarte_helpers 0.12.0
[INFO] tweaked toml for crates.io crate yarte_helpers 0.12.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v_jsonescape v0.2.0
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d227b1c77fc3a76e506380363e56fb663b8e3922243f4f678ba7582533b731ca
[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" "d227b1c77fc3a76e506380363e56fb663b8e3922243f4f678ba7582533b731ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d227b1c77fc3a76e506380363e56fb663b8e3922243f4f678ba7582533b731ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d227b1c77fc3a76e506380363e56fb663b8e3922243f4f678ba7582533b731ca", kill_on_drop: false }`
[INFO] [stdout] d227b1c77fc3a76e506380363e56fb663b8e3922243f4f678ba7582533b731ca
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f52457450acd9273ad2d55051fbdcf26894fc9f4fa08c0397c56bac6a83c400f
[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" "f52457450acd9273ad2d55051fbdcf26894fc9f4fa08c0397c56bac6a83c400f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling v_escape v0.12.0
[INFO] [stderr]    Compiling v_htmlescape v0.10.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking buf-min v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling v_escape_derive v0.8.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking yarte_helpers v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::helpers::display_fn`
[INFO] [stdout]   --> src/helpers/io_fmt.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use crate::helpers::display_fn::DisplayFn;
[INFO] [stdout]    |                         ^^^^^^^^^^ could not find `display_fn` in `helpers`
[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 `yarte_helpers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f52457450acd9273ad2d55051fbdcf26894fc9f4fa08c0397c56bac6a83c400f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52457450acd9273ad2d55051fbdcf26894fc9f4fa08c0397c56bac6a83c400f", kill_on_drop: false }`
[INFO] [stdout] f52457450acd9273ad2d55051fbdcf26894fc9f4fa08c0397c56bac6a83c400f