[INFO] fetching crate dasn1-core 0.1.1...
[INFO] checking dasn1-core-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate dasn1-core 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dasn1-core 0.1.1 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 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-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]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.8.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d03ab93639a14acaa81e0877c81c968677bef3bf73e08ebf6048beecdb406c4
[INFO] running `Command { std: "docker" "start" "-a" "8d03ab93639a14acaa81e0877c81c968677bef3bf73e08ebf6048beecdb406c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d03ab93639a14acaa81e0877c81c968677bef3bf73e08ebf6048beecdb406c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d03ab93639a14acaa81e0877c81c968677bef3bf73e08ebf6048beecdb406c4", kill_on_drop: false }`
[INFO] [stdout] 8d03ab93639a14acaa81e0877c81c968677bef3bf73e08ebf6048beecdb406c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e19f3200447d56b751a0e487c950b2c881b101405b59d46352bb40c02974b26c
[INFO] running `Command { std: "docker" "start" "-a" "e19f3200447d56b751a0e487c950b2c881b101405b59d46352bb40c02974b26c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking backtrace v0.3.73
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.209
[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` profile [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "e19f3200447d56b751a0e487c950b2c881b101405b59d46352bb40c02974b26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19f3200447d56b751a0e487c950b2c881b101405b59d46352bb40c02974b26c", kill_on_drop: false }`
[INFO] [stdout] e19f3200447d56b751a0e487c950b2c881b101405b59d46352bb40c02974b26c