[INFO] fetching crate ctflag_derive 0.1.2...
[INFO] checking ctflag_derive-0.1.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate ctflag_derive 0.1.2 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate ctflag_derive 0.1.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctflag_derive 0.1.2
[INFO] finished tweaking crates.io crate ctflag_derive 0.1.2
[INFO] tweaked toml for crates.io crate ctflag_derive 0.1.2 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7656bf66f0e5ed1de8e5a0459d7f1f94fbabb5478dd9ec6a72de12bbbadd0012
[INFO] running `Command { std: "docker" "start" "-a" "7656bf66f0e5ed1de8e5a0459d7f1f94fbabb5478dd9ec6a72de12bbbadd0012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7656bf66f0e5ed1de8e5a0459d7f1f94fbabb5478dd9ec6a72de12bbbadd0012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7656bf66f0e5ed1de8e5a0459d7f1f94fbabb5478dd9ec6a72de12bbbadd0012", kill_on_drop: false }`
[INFO] [stdout] 7656bf66f0e5ed1de8e5a0459d7f1f94fbabb5478dd9ec6a72de12bbbadd0012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8ff58909cacfcb6d58ed274d96de336365d37f6c0098a8dffeb13e7a01052
[INFO] running `Command { std: "docker" "start" "-a" "e6c8ff58909cacfcb6d58ed274d96de336365d37f6c0098a8dffeb13e7a01052", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking ctflag_derive v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToTokens` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:513:21
[INFO] [stdout]     |
[INFO] [stdout] 22  | use quote::{quote, quote_spanned, ToTokens};
[INFO] [stdout]     |                                   -------- the item `ToTokens` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 513 |                 use quote::ToTokens;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToTokens` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:513:21
[INFO] [stdout]     |
[INFO] [stdout] 22  | use quote::{quote, quote_spanned, ToTokens};
[INFO] [stdout]     |                                   -------- the item `ToTokens` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 513 |                 use quote::ToTokens;
[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 [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "e6c8ff58909cacfcb6d58ed274d96de336365d37f6c0098a8dffeb13e7a01052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8ff58909cacfcb6d58ed274d96de336365d37f6c0098a8dffeb13e7a01052", kill_on_drop: false }`
[INFO] [stdout] e6c8ff58909cacfcb6d58ed274d96de336365d37f6c0098a8dffeb13e7a01052