[INFO] fetching crate analisar 0.2.1...
[INFO] checking analisar-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate analisar 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate analisar 0.2.1 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 analisar 0.2.1
[INFO] finished tweaking crates.io crate analisar 0.2.1
[INFO] tweaked toml for crates.io crate analisar 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate analisar 0.2.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded lex_lua v0.1.9
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded regex v1.4.3
[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] cb8cfc78f32aefc16a04ad790c47b31980803f54b86685dbe9a7790f7c98de60
[INFO] running `Command { std: "docker" "start" "-a" "cb8cfc78f32aefc16a04ad790c47b31980803f54b86685dbe9a7790f7c98de60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8cfc78f32aefc16a04ad790c47b31980803f54b86685dbe9a7790f7c98de60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8cfc78f32aefc16a04ad790c47b31980803f54b86685dbe9a7790f7c98de60", kill_on_drop: false }`
[INFO] [stdout] cb8cfc78f32aefc16a04ad790c47b31980803f54b86685dbe9a7790f7c98de60
[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] c8eb1c5fe3dc67f3f80dbaa82a046b824e7f88a162d42bf85711031866aee43b
[INFO] running `Command { std: "docker" "start" "-a" "c8eb1c5fe3dc67f3f80dbaa82a046b824e7f88a162d42bf85711031866aee43b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking lex_lua v0.1.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking analisar v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Block` is imported redundantly
[INFO] [stdout]     --> src/aware/mod.rs:1001:9
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     use super::*;
[INFO] [stdout]      |         -------- the item `Block` is already imported here
[INFO] [stdout] 1001 |     use ast::Block;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Block` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:930:9
[INFO] [stdout]     |
[INFO] [stdout] 929 |     use super::*;
[INFO] [stdout]     |         -------- the item `Block` is already imported here
[INFO] [stdout] 930 |     use ast::Block;
[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 4.09s
[INFO] running `Command { std: "docker" "inspect" "c8eb1c5fe3dc67f3f80dbaa82a046b824e7f88a162d42bf85711031866aee43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8eb1c5fe3dc67f3f80dbaa82a046b824e7f88a162d42bf85711031866aee43b", kill_on_drop: false }`
[INFO] [stdout] c8eb1c5fe3dc67f3f80dbaa82a046b824e7f88a162d42bf85711031866aee43b