[INFO] fetching crate strum_macros 0.26.4...
[INFO] checking strum_macros-0.26.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate strum_macros 0.26.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate strum_macros 0.26.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strum_macros 0.26.4
[INFO] finished tweaking crates.io crate strum_macros 0.26.4
[INFO] tweaked toml for crates.io crate strum_macros 0.26.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2aa39bae515a38b27856b2274b21cb60dc096949027373e5076b0e191e0174c
[INFO] running `Command { std: "docker" "start" "-a" "e2aa39bae515a38b27856b2274b21cb60dc096949027373e5076b0e191e0174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2aa39bae515a38b27856b2274b21cb60dc096949027373e5076b0e191e0174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aa39bae515a38b27856b2274b21cb60dc096949027373e5076b0e191e0174c", kill_on_drop: false }`
[INFO] [stdout] e2aa39bae515a38b27856b2274b21cb60dc096949027373e5076b0e191e0174c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6868efd951464cf5b1d9e9ec37b05447a7290eaf3d69465e9d47324e8c1e1df6
[INFO] running `Command { std: "docker" "start" "-a" "6868efd951464cf5b1d9e9ec37b05447a7290eaf3d69465e9d47324e8c1e1df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking strum_macros v0.26.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]   --> src/helpers/metadata.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |     Derive { kw: kw::derive, paths: Vec<Path> },
[INFO] [stdout]    |     ------   ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]    --> src/helpers/metadata.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Serialize {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] 157 |         kw: kw::serialize,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]    --> src/helpers/metadata.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     Props {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 178 |         kw: kw::props,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]   --> src/helpers/metadata.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |     Derive { kw: kw::derive, paths: Vec<Path> },
[INFO] [stdout]    |     ------   ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]    --> src/helpers/metadata.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Serialize {
[INFO] [stdout]     |     --------- field in this variant
[INFO] [stdout] 157 |         kw: kw::serialize,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kw` is never read
[INFO] [stdout]    --> src/helpers/metadata.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     Props {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 178 |         kw: kw::props,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "6868efd951464cf5b1d9e9ec37b05447a7290eaf3d69465e9d47324e8c1e1df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6868efd951464cf5b1d9e9ec37b05447a7290eaf3d69465e9d47324e8c1e1df6", kill_on_drop: false }`
[INFO] [stdout] 6868efd951464cf5b1d9e9ec37b05447a7290eaf3d69465e9d47324e8c1e1df6