[INFO] fetching crate stdto_derive 0.14.0...
[INFO] checking stdto_derive-0.14.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate stdto_derive 0.14.0 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stdto_derive 0.14.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding structmeta v0.1.6 (available: v0.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 425582d2bff226f04733f60761dec547f9c68a80d36a2a3a7b81aefe1c2e09be
[INFO] running `Command { std: "docker" "start" "-a" "425582d2bff226f04733f60761dec547f9c68a80d36a2a3a7b81aefe1c2e09be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "425582d2bff226f04733f60761dec547f9c68a80d36a2a3a7b81aefe1c2e09be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425582d2bff226f04733f60761dec547f9c68a80d36a2a3a7b81aefe1c2e09be", kill_on_drop: false }`
[INFO] [stdout] 425582d2bff226f04733f60761dec547f9c68a80d36a2a3a7b81aefe1c2e09be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780278c4bb331901db1cf9d9e1400d93c050c21a84f144d032b2427bd9948366
[INFO] running `Command { std: "docker" "start" "-a" "780278c4bb331901db1cf9d9e1400d93c050c21a84f144d032b2427bd9948366", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "780278c4bb331901db1cf9d9e1400d93c050c21a84f144d032b2427bd9948366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780278c4bb331901db1cf9d9e1400d93c050c21a84f144d032b2427bd9948366", kill_on_drop: false }`
[INFO] [stdout] 780278c4bb331901db1cf9d9e1400d93c050c21a84f144d032b2427bd9948366