[INFO] fetching crate gedcomx_file 0.1.0-alpha.0...
[INFO] checking gedcomx_file-0.1.0-alpha.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gedcomx_file 0.1.0-alpha.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gedcomx_file 0.1.0-alpha.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gedcomx_file 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate gedcomx_file 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate gedcomx_file 0.1.0-alpha.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding serde_with v1.14.0 (latest: v3.7.0)
[INFO] [stderr]       Adding serde_with_macros v1.5.2 (latest: v3.7.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding yaserde v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding yaserde_derive v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v0.6.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded gedcomx_date v0.1.0
[INFO] [stderr]   Downloaded yaserde v0.8.0
[INFO] [stderr]   Downloaded yaserde_derive v0.8.0
[INFO] [stderr]   Downloaded gedcomx v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3653210d1b12b9b76adb2ee3fd2692b638e720d82cdf919b5cbd8d4feead30c
[INFO] running `Command { std: "docker" "start" "-a" "b3653210d1b12b9b76adb2ee3fd2692b638e720d82cdf919b5cbd8d4feead30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3653210d1b12b9b76adb2ee3fd2692b638e720d82cdf919b5cbd8d4feead30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3653210d1b12b9b76adb2ee3fd2692b638e720d82cdf919b5cbd8d4feead30c", kill_on_drop: false }`
[INFO] [stdout] b3653210d1b12b9b76adb2ee3fd2692b638e720d82cdf919b5cbd8d4feead30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea6d9f34c81d39332a4719087a23207567f35a63c0b27eaf5db03a3735109c4
[INFO] running `Command { std: "docker" "start" "-a" "6ea6d9f34c81d39332a4719087a23207567f35a63c0b27eaf5db03a3735109c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking yaserde v0.8.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling yaserde_derive v0.8.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking gedcomx_date v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking gedcomx v0.1.5
[INFO] [stderr]     Checking gedcomx_file v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:200:25
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use std::{fs::File, iter::FromIterator, path::Path};
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `FromIterator` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:200:45
[INFO] [stdout]     |
[INFO] [stdout] 199 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] 200 |     use std::{fs::File, iter::FromIterator, path::Path};
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "6ea6d9f34c81d39332a4719087a23207567f35a63c0b27eaf5db03a3735109c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea6d9f34c81d39332a4719087a23207567f35a63c0b27eaf5db03a3735109c4", kill_on_drop: false }`
[INFO] [stdout] 6ea6d9f34c81d39332a4719087a23207567f35a63c0b27eaf5db03a3735109c4