[INFO] fetching crate aki-xcat 0.1.35...
[INFO] checking aki-xcat-0.1.35 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate aki-xcat 0.1.35 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate aki-xcat 0.1.35 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate aki-xcat 0.1.35
[INFO] finished tweaking crates.io crate aki-xcat 0.1.35
[INFO] tweaked toml for crates.io crate aki-xcat 0.1.35 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate aki-xcat 0.1.35 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.26
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded zstd-safe v6.0.2+zstd.1.5.2
[INFO] [stderr]   Downloaded zstd v0.12.1+zstd.1.5.2
[INFO] [stderr]   Downloaded exec-target v0.2.7
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded memx-cdy v0.1.10
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded indoc v1.0.8
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded lz4 v1.24.0
[INFO] [stderr]   Downloaded libflate v1.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded lz4-sys v1.9.4
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[INFO] [stderr]   Downloaded flood-tide v0.2.8
[INFO] [stderr]   Downloaded crc32fast v1.3.2
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded memx v0.1.24
[INFO] [stderr]   Downloaded runnel v0.3.15
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded cpufeatures v0.2.5
[INFO] [stderr]   Downloaded libflate_lz77 v1.1.0
[INFO] [stderr]   Downloaded rust-version-info-file v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 43b1363506a9740558d8e20edf9a71cdc18842df8e806eaf3b952a7e1e91482e
[INFO] running `Command { std: "docker" "start" "-a" "43b1363506a9740558d8e20edf9a71cdc18842df8e806eaf3b952a7e1e91482e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b1363506a9740558d8e20edf9a71cdc18842df8e806eaf3b952a7e1e91482e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b1363506a9740558d8e20edf9a71cdc18842df8e806eaf3b952a7e1e91482e", kill_on_drop: false }`
[INFO] [stdout] 43b1363506a9740558d8e20edf9a71cdc18842df8e806eaf3b952a7e1e91482e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2c11047345a2fae07a2f514c73fa19e7160085bc07a40b58ccedd3d6fb9cdf9d
[INFO] running `Command { std: "docker" "start" "-a" "2c11047345a2fae07a2f514c73fa19e7160085bc07a40b58ccedd3d6fb9cdf9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling zstd-safe v6.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rust-version-info-file v0.1.7
[INFO] [stderr]     Checking flood-tide v0.2.8
[INFO] [stderr]    Compiling indoc v1.0.8
[INFO] [stderr]     Checking exec-target v0.2.7
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.24
[INFO] [stderr]    Compiling runnel v0.3.15
[INFO] [stderr]    Compiling aki-xcat v0.1.35 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking memx-cdy v0.1.10
[INFO] [stderr]    Compiling zstd-sys v2.0.4+zstd.1.5.2
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking zstd v0.12.1+zstd.1.5.2
[INFO] [stderr]     Checking lz4 v1.24.0
[INFO] [stdout] warning: unused import: `self::opt_uc_x_param::OptUcXParamParseError`
[INFO] [stdout]  --> src/util/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::opt_uc_x_param::OptUcXParamParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::opt_uc_x_param::OptUcXParamParseError`
[INFO] [stdout]  --> src/util/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::opt_uc_x_param::OptUcXParamParseError;
[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 17.65s
[INFO] running `Command { std: "docker" "inspect" "2c11047345a2fae07a2f514c73fa19e7160085bc07a40b58ccedd3d6fb9cdf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c11047345a2fae07a2f514c73fa19e7160085bc07a40b58ccedd3d6fb9cdf9d", kill_on_drop: false }`
[INFO] [stdout] 2c11047345a2fae07a2f514c73fa19e7160085bc07a40b58ccedd3d6fb9cdf9d