[INFO] fetching crate amplify_derive 4.0.0...
[INFO] checking amplify_derive-4.0.0 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate amplify_derive 4.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate amplify_derive 4.0.0 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate amplify_derive 4.0.0
[INFO] finished tweaking crates.io crate amplify_derive 4.0.0
[INFO] tweaked toml for crates.io crate amplify_derive 4.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.71)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amplify_syn v2.0.1
[INFO] [stderr]   Downloaded amplify_derive v4.0.0
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded amplify v4.6.0
[INFO] [stderr]   Downloaded amplify_num v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3be0edfcab84740324b13193ffd23011d86983e590bd85867fa2acacd9ad5c3
[INFO] running `Command { std: "docker" "start" "-a" "e3be0edfcab84740324b13193ffd23011d86983e590bd85867fa2acacd9ad5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3be0edfcab84740324b13193ffd23011d86983e590bd85867fa2acacd9ad5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3be0edfcab84740324b13193ffd23011d86983e590bd85867fa2acacd9ad5c3", kill_on_drop: false }`
[INFO] [stdout] e3be0edfcab84740324b13193ffd23011d86983e590bd85867fa2acacd9ad5c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c53044414d1a427f1d2eb46ae7d6879625affc5ba37b9786a6b4a0962137db
[INFO] running `Command { std: "docker" "start" "-a" "e9c53044414d1a427f1d2eb46ae7d6879625affc5ba37b9786a6b4a0962137db", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking amplify_num v0.5.2
[INFO] [stderr]     Checking amplify_syn v2.0.1
[INFO] [stderr]     Checking amplify_derive v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling amplify_derive v4.0.0
[INFO] [stdout] error: associated constant `DERIVE` is never used
[INFO] [stdout]    --> src/wrapper.rs:116:11
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait FromPath: Sized + Copy + Ord {
[INFO] [stdout]     |           -------- associated constant in this trait
[INFO] [stdout] 115 |     const IDENT: &'static str;
[INFO] [stdout] 116 |     const DERIVE: &'static str;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:28:5
[INFO] [stdout]     |
[INFO] [stdout] 28  |     dead_code
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amplify_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9c53044414d1a427f1d2eb46ae7d6879625affc5ba37b9786a6b4a0962137db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c53044414d1a427f1d2eb46ae7d6879625affc5ba37b9786a6b4a0962137db", kill_on_drop: false }`
[INFO] [stdout] e9c53044414d1a427f1d2eb46ae7d6879625affc5ba37b9786a6b4a0962137db
