[INFO] fetching crate yarte_helpers 0.12.1...
[INFO] testing yarte_helpers-0.12.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate yarte_helpers 0.12.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate yarte_helpers 0.12.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarte_helpers 0.12.1
[INFO] finished tweaking crates.io crate yarte_helpers 0.12.1
[INFO] tweaked toml for crates.io crate yarte_helpers 0.12.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] b5f883a382b4eb23eabd6bfc4e3a2f544de72c244a0b9114e503ac1e63b2fd0d
[INFO] running `Command { std: "docker" "start" "-a" "b5f883a382b4eb23eabd6bfc4e3a2f544de72c244a0b9114e503ac1e63b2fd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f883a382b4eb23eabd6bfc4e3a2f544de72c244a0b9114e503ac1e63b2fd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f883a382b4eb23eabd6bfc4e3a2f544de72c244a0b9114e503ac1e63b2fd0d", kill_on_drop: false }`
[INFO] [stdout] b5f883a382b4eb23eabd6bfc4e3a2f544de72c244a0b9114e503ac1e63b2fd0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 78b6cba4e91ad8e07a80b4acc5a47db92148d720e01b63e8e90bceb6f9b6e4a8
[INFO] running `Command { std: "docker" "start" "-a" "78b6cba4e91ad8e07a80b4acc5a47db92148d720e01b63e8e90bceb6f9b6e4a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling v_escape v0.12.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling v_htmlescape v0.10.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling buf-min v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling v_escape_derive v0.8.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling yarte_helpers v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.88s
[INFO] running `Command { std: "docker" "inspect" "78b6cba4e91ad8e07a80b4acc5a47db92148d720e01b63e8e90bceb6f9b6e4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b6cba4e91ad8e07a80b4acc5a47db92148d720e01b63e8e90bceb6f9b6e4a8", kill_on_drop: false }`
[INFO] [stdout] 78b6cba4e91ad8e07a80b4acc5a47db92148d720e01b63e8e90bceb6f9b6e4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2964656fdc35de5132d59628155dbb24c47670fd76ecc1d3a6d825f49577bbbb
[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" "2964656fdc35de5132d59628155dbb24c47670fd76ecc1d3a6d825f49577bbbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling yarte_helpers v0.12.1 (/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" "2964656fdc35de5132d59628155dbb24c47670fd76ecc1d3a6d825f49577bbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2964656fdc35de5132d59628155dbb24c47670fd76ecc1d3a6d825f49577bbbb", kill_on_drop: false }`
[INFO] [stdout] 2964656fdc35de5132d59628155dbb24c47670fd76ecc1d3a6d825f49577bbbb