[INFO] fetching crate carbon-dump 1.2.2...
[INFO] checking carbon-dump-1.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate carbon-dump 1.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate carbon-dump 1.2.2 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 carbon-dump 1.2.2
[INFO] finished tweaking crates.io crate carbon-dump 1.2.2
[INFO] tweaked toml for crates.io crate carbon-dump 1.2.2 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 50 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding syntect v4.6.0 (latest: v5.2.0)
[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 line-wrap v0.2.0
[INFO] [stderr]   Downloaded onig v6.4.0
[INFO] [stderr]   Downloaded plist v1.6.1
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] [stderr]   Downloaded onig_sys v69.8.1
[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] 9b352d801eb8e6cffbc9c1df636bfe1ac79e46c51f754e22a31f4e65e070b4f6
[INFO] running `Command { std: "docker" "start" "-a" "9b352d801eb8e6cffbc9c1df636bfe1ac79e46c51f754e22a31f4e65e070b4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b352d801eb8e6cffbc9c1df636bfe1ac79e46c51f754e22a31f4e65e070b4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b352d801eb8e6cffbc9c1df636bfe1ac79e46c51f754e22a31f4e65e070b4f6", kill_on_drop: false }`
[INFO] [stdout] 9b352d801eb8e6cffbc9c1df636bfe1ac79e46c51f754e22a31f4e65e070b4f6
[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] d2fbaf6c545083161f5946bc8ddc0a10a9c8ce939e938a8c605ff1ba2a76dd4e
[INFO] running `Command { std: "docker" "start" "-a" "d2fbaf6c545083161f5946bc8ddc0a10a9c8ce939e938a8c605ff1ba2a76dd4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking line-wrap v0.2.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.6.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking carbon-dump v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `lazy_static` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::{self, lazy::Lazy, LazyStatic};
[INFO] [stdout]   |                   ^^^^ the item `lazy_static` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lazy_static` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::{self, lazy::Lazy, LazyStatic};
[INFO] [stdout]   |                   ^^^^ the item `lazy_static` is already defined by prelude
[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 11.08s
[INFO] running `Command { std: "docker" "inspect" "d2fbaf6c545083161f5946bc8ddc0a10a9c8ce939e938a8c605ff1ba2a76dd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fbaf6c545083161f5946bc8ddc0a10a9c8ce939e938a8c605ff1ba2a76dd4e", kill_on_drop: false }`
[INFO] [stdout] d2fbaf6c545083161f5946bc8ddc0a10a9c8ce939e938a8c605ff1ba2a76dd4e