[INFO] fetching crate dasn1-core 0.1.1...
[INFO] checking dasn1-core-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate dasn1-core 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dasn1-core 0.1.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dasn1-core 0.1.1
[INFO] finished tweaking crates.io crate dasn1-core 0.1.1
[INFO] tweaked toml for crates.io crate dasn1-core 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcf3dc22979ae34ba40ae30f247985e536b4d1e6b7460361c3de384a958ebe6c
[INFO] running `Command { std: "docker" "start" "-a" "fcf3dc22979ae34ba40ae30f247985e536b4d1e6b7460361c3de384a958ebe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf3dc22979ae34ba40ae30f247985e536b4d1e6b7460361c3de384a958ebe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf3dc22979ae34ba40ae30f247985e536b4d1e6b7460361c3de384a958ebe6c", kill_on_drop: false }`
[INFO] [stdout] fcf3dc22979ae34ba40ae30f247985e536b4d1e6b7460361c3de384a958ebe6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8469c527dc35df3dd3d3e33446c6ca167248eac7becc2c134d12a4618e7246f
[INFO] running `Command { std: "docker" "start" "-a" "a8469c527dc35df3dd3d3e33446c6ca167248eac7becc2c134d12a4618e7246f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking dasn1-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SeqAccess`
[INFO] [stdout]  --> src/types/enumerated.rs:3:68
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer, de::{SeqAccess, Visitor}};
[INFO] [stdout]   |                                                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeqAccess`
[INFO] [stdout]  --> src/types/enumerated.rs:3:68
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer, de::{SeqAccess, Visitor}};
[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 23.35s
[INFO] running `Command { std: "docker" "inspect" "a8469c527dc35df3dd3d3e33446c6ca167248eac7becc2c134d12a4618e7246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8469c527dc35df3dd3d3e33446c6ca167248eac7becc2c134d12a4618e7246f", kill_on_drop: false }`
[INFO] [stdout] a8469c527dc35df3dd3d3e33446c6ca167248eac7becc2c134d12a4618e7246f