[INFO] fetching crate ui_test 0.21.2...
[INFO] checking ui_test-0.21.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ui_test 0.21.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ui_test 0.21.2 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 ui_test 0.21.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ui_test 0.21.2
[INFO] tweaked toml for crates.io crate ui_test 0.21.2 written to /workspace/builds/worker-5-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 94 packages
[INFO] [stderr]       Adding annotate-snippets v0.9.2 (latest: v0.11.1)
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (latest: v0.18.1)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding rustfix v0.6.1 (latest: v0.8.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded annotate-snippets v0.9.2
[INFO] [stderr]   Downloaded comma v1.0.0
[INFO] [stderr]   Downloaded prettydiff v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 74619f8c0f681236793ae7780a83a6aa2d0743fcc459f989621f3ae0720cd7af
[INFO] running `Command { std: "docker" "start" "-a" "74619f8c0f681236793ae7780a83a6aa2d0743fcc459f989621f3ae0720cd7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74619f8c0f681236793ae7780a83a6aa2d0743fcc459f989621f3ae0720cd7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74619f8c0f681236793ae7780a83a6aa2d0743fcc459f989621f3ae0720cd7af", kill_on_drop: false }`
[INFO] [stdout] 74619f8c0f681236793ae7780a83a6aa2d0743fcc459f989621f3ae0720cd7af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a04b9fecef33f19f06cde426dce79a6097a82c2144d56694d68f3e68e2d54bbd
[INFO] running `Command { std: "docker" "start" "-a" "a04b9fecef33f19f06cde426dce79a6097a82c2144d56694d68f3e68e2d54bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking prettydiff v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking annotate-snippets v0.9.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking comma v1.0.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking ui_test v0.21.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Path` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `PathBuf` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Level` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::rustc_stderr::Level;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Level` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Message` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::rustc_stderr::Message;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Message` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.13s
[INFO] running `Command { std: "docker" "inspect" "a04b9fecef33f19f06cde426dce79a6097a82c2144d56694d68f3e68e2d54bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04b9fecef33f19f06cde426dce79a6097a82c2144d56694d68f3e68e2d54bbd", kill_on_drop: false }`
[INFO] [stdout] a04b9fecef33f19f06cde426dce79a6097a82c2144d56694d68f3e68e2d54bbd