[INFO] fetching crate eei_vfd 0.1.0...
[INFO] checking eei_vfd-0.1.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate eei_vfd 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate eei_vfd 0.1.0
[INFO] finished tweaking crates.io crate eei_vfd 0.1.0
[INFO] tweaked toml for crates.io crate eei_vfd 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eei_vfd 0.1.0 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding az v1.2.1 (available: v1.3.0)
[INFO] [stderr]       Adding embedded-hal-mock v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding linux-embedded-hal v0.3.2 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b74dd2ed9cd5cc3f509707ba4e53c1a8c609baf3d7b97689f1bf9442718a3a
[INFO] running `Command { std: "docker" "start" "-a" "87b74dd2ed9cd5cc3f509707ba4e53c1a8c609baf3d7b97689f1bf9442718a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b74dd2ed9cd5cc3f509707ba4e53c1a8c609baf3d7b97689f1bf9442718a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b74dd2ed9cd5cc3f509707ba4e53c1a8c609baf3d7b97689f1bf9442718a3a", kill_on_drop: false }`
[INFO] [stdout] 87b74dd2ed9cd5cc3f509707ba4e53c1a8c609baf3d7b97689f1bf9442718a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bddb7a6c7dde81176943d465c525c8163aa399a36faac1d80e107a99003ec817
[INFO] running `Command { std: "docker" "start" "-a" "bddb7a6c7dde81176943d465c525c8163aa399a36faac1d80e107a99003ec817", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-mock v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.1
[INFO] [stderr]     Checking embedded-graphics v0.8.2
[INFO] [stderr]     Checking eei_vfd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `OutOfColorRangeParseError` is never constructed
[INFO] [stdout]   --> src/color.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OutOfColorRangeParseError(u8);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eei_vfd` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bddb7a6c7dde81176943d465c525c8163aa399a36faac1d80e107a99003ec817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddb7a6c7dde81176943d465c525c8163aa399a36faac1d80e107a99003ec817", kill_on_drop: false }`
[INFO] [stdout] bddb7a6c7dde81176943d465c525c8163aa399a36faac1d80e107a99003ec817
