[INFO] fetching crate stdto_derive 0.14.0...
[INFO] checking stdto_derive-0.14.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate stdto_derive 0.14.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate stdto_derive 0.14.0 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 stdto_derive 0.14.0
[INFO] finished tweaking crates.io crate stdto_derive 0.14.0
[INFO] tweaked toml for crates.io crate stdto_derive 0.14.0 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding structmeta v0.1.6 (latest: v0.3.0)
[INFO] [stderr]       Adding structmeta-derive v0.1.6 (latest: v0.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded structmeta-derive v0.1.6
[INFO] [stderr]   Downloaded structmeta v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 34cf94e02b81a6aab50a91b47e8648e3b6bd10477f3d2005c335ffda808c09bd
[INFO] running `Command { std: "docker" "start" "-a" "34cf94e02b81a6aab50a91b47e8648e3b6bd10477f3d2005c335ffda808c09bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34cf94e02b81a6aab50a91b47e8648e3b6bd10477f3d2005c335ffda808c09bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cf94e02b81a6aab50a91b47e8648e3b6bd10477f3d2005c335ffda808c09bd", kill_on_drop: false }`
[INFO] [stdout] 34cf94e02b81a6aab50a91b47e8648e3b6bd10477f3d2005c335ffda808c09bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dbe8d05cb3790ac3ddaf0a096b8dafa951185016073e80a3ab70d5a7f3fc0cf9
[INFO] running `Command { std: "docker" "start" "-a" "dbe8d05cb3790ac3ddaf0a096b8dafa951185016073e80a3ab70d5a7f3fc0cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling structmeta-derive v0.1.6
[INFO] [stderr]     Checking structmeta v0.1.6
[INFO] [stderr]     Checking stdto_derive v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ImplItem`, `LitStr`, and `MetaList`
[INFO] [stdout]  --> src/cmn.rs:7:89
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parse_macro_input, parse_quote, Attribute, AttributeArgs, DeriveInput, Error, Expr, ImplItem,
[INFO] [stdout]   |                                                                                         ^^^^^^^^
[INFO] [stdout] 8 |     Lit, LitStr, Meta, MetaList, MetaNameValue, NestedMeta,
[INFO] [stdout]   |          ^^^^^^        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImplItem`, `LitStr`, and `MetaList`
[INFO] [stdout]  --> src/cmn.rs:7:89
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parse_macro_input, parse_quote, Attribute, AttributeArgs, DeriveInput, Error, Expr, ImplItem,
[INFO] [stdout]   |                                                                                         ^^^^^^^^
[INFO] [stdout] 8 |     Lit, LitStr, Meta, MetaList, MetaNameValue, NestedMeta,
[INFO] [stdout]   |          ^^^^^^        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 8.00s
[INFO] running `Command { std: "docker" "inspect" "dbe8d05cb3790ac3ddaf0a096b8dafa951185016073e80a3ab70d5a7f3fc0cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe8d05cb3790ac3ddaf0a096b8dafa951185016073e80a3ab70d5a7f3fc0cf9", kill_on_drop: false }`
[INFO] [stdout] dbe8d05cb3790ac3ddaf0a096b8dafa951185016073e80a3ab70d5a7f3fc0cf9