[INFO] fetching crate cargo-lichking 0.9.0...
[INFO] checking cargo-lichking-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cargo-lichking 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cargo-lichking 0.9.0 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 cargo-lichking 0.9.0
[INFO] finished tweaking crates.io crate cargo-lichking 0.9.0
[INFO] tweaked toml for crates.io crate cargo-lichking 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-lichking 0.9.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.8
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 93f8a3f3653ac8a31711a3c508e10da61bb7c438e4c8c71aa3f312638a43cee1
[INFO] running `Command { std: "docker" "start" "-a" "93f8a3f3653ac8a31711a3c508e10da61bb7c438e4c8c71aa3f312638a43cee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93f8a3f3653ac8a31711a3c508e10da61bb7c438e4c8c71aa3f312638a43cee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f8a3f3653ac8a31711a3c508e10da61bb7c438e4c8c71aa3f312638a43cee1", kill_on_drop: false }`
[INFO] [stdout] 93f8a3f3653ac8a31711a3c508e10da61bb7c438e4c8c71aa3f312638a43cee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 700c64bb1314bd16dddd340ab945a801af6a4fb304d5012d12de4cb378055a72
[INFO] running `Command { std: "docker" "start" "-a" "700c64bb1314bd16dddd340ab945a801af6a4fb304d5012d12de4cb378055a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking cargo-lichking v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `Command { std: "docker" "inspect" "700c64bb1314bd16dddd340ab945a801af6a4fb304d5012d12de4cb378055a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700c64bb1314bd16dddd340ab945a801af6a4fb304d5012d12de4cb378055a72", kill_on_drop: false }`
[INFO] [stdout] 700c64bb1314bd16dddd340ab945a801af6a4fb304d5012d12de4cb378055a72