[INFO] fetching crate decanter-derive 0.1.6...
[INFO] checking decanter-derive-0.1.6 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate decanter-derive 0.1.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate decanter-derive 0.1.6 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decanter-derive 0.1.6
[INFO] finished tweaking crates.io crate decanter-derive 0.1.6
[INFO] tweaked toml for crates.io crate decanter-derive 0.1.6 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdf80be2b66424adfa3894fc9bfbb457af285e814b735ef6f668ca34a3627b19
[INFO] running `Command { std: "docker" "start" "-a" "fdf80be2b66424adfa3894fc9bfbb457af285e814b735ef6f668ca34a3627b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf80be2b66424adfa3894fc9bfbb457af285e814b735ef6f668ca34a3627b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf80be2b66424adfa3894fc9bfbb457af285e814b735ef6f668ca34a3627b19", kill_on_drop: false }`
[INFO] [stdout] fdf80be2b66424adfa3894fc9bfbb457af285e814b735ef6f668ca34a3627b19
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a47b258a84d04b12520cecbce34b0adf4def62336679079b13ec1a500c70ee0
[INFO] running `Command { std: "docker" "start" "-a" "1a47b258a84d04b12520cecbce34b0adf4def62336679079b13ec1a500c70ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking decanter-derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `non_exhaustive` is never read
[INFO] [stdout]   --> src/internal/attr/container.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Container {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 36 |     pub non_exhaustive: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Container` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `non_exhaustive` is never read
[INFO] [stdout]   --> src/internal/attr/container.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Container {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 36 |     pub non_exhaustive: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Container` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "1a47b258a84d04b12520cecbce34b0adf4def62336679079b13ec1a500c70ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a47b258a84d04b12520cecbce34b0adf4def62336679079b13ec1a500c70ee0", kill_on_drop: false }`
[INFO] [stdout] 1a47b258a84d04b12520cecbce34b0adf4def62336679079b13ec1a500c70ee0