[INFO] fetching crate drcov2lcov 0.1.0...
[INFO] checking drcov2lcov-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate drcov2lcov 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate drcov2lcov 0.1.0 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 drcov2lcov 0.1.0
[INFO] finished tweaking crates.io crate drcov2lcov 0.1.0
[INFO] tweaked toml for crates.io crate drcov2lcov 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate drcov2lcov 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded retain_mut v0.1.7
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.0
[INFO] [stderr]   Downloaded thiserror-core v1.0.38
[INFO] [stderr]   Downloaded ouroboros v0.18.0
[INFO] [stderr]   Downloaded thiserror-core-impl v1.0.38
[INFO] [stderr]   Downloaded roaring v0.10.2
[INFO] [stderr]   Downloaded fallible-iterator v0.3.0
[INFO] [stderr]   Downloaded ruzstd v0.4.0
[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] 8a8f9f14dc052e1fc155a3c6fb68cc17f6b2af6a23b48ec3571e0e919e55e80b
[INFO] running `Command { std: "docker" "start" "-a" "8a8f9f14dc052e1fc155a3c6fb68cc17f6b2af6a23b48ec3571e0e919e55e80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8f9f14dc052e1fc155a3c6fb68cc17f6b2af6a23b48ec3571e0e919e55e80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8f9f14dc052e1fc155a3c6fb68cc17f6b2af6a23b48ec3571e0e919e55e80b", kill_on_drop: false }`
[INFO] [stdout] 8a8f9f14dc052e1fc155a3c6fb68cc17f6b2af6a23b48ec3571e0e919e55e80b
[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] 801ec848eb77c09b91e0562709707b225a3cad198d3efd2587a4fed1452558bb
[INFO] running `Command { std: "docker" "start" "-a" "801ec848eb77c09b91e0562709707b225a3cad198d3efd2587a4fed1452558bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror-core v1.0.38
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking retain_mut v0.1.7
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking roaring v0.10.2
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.38
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling ouroboros_macro v0.18.0
[INFO] [stderr]     Checking ruzstd v0.4.0
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking ouroboros v0.18.0
[INFO] [stderr]     Checking clap v4.4.3
[INFO] [stderr]     Checking drcov2lcov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/drcov.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct Modules {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 185 |     pub version: u32,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Modules` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version` and `flavor` are never read
[INFO] [stdout]    --> src/drcov.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub struct Drcov {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 240 |     pub version: u32,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 241 |     pub flavor: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Drcov` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]    --> src/drcov.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct Modules {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 185 |     pub version: u32,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Modules` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version` and `flavor` are never read
[INFO] [stdout]    --> src/drcov.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub struct Drcov {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 240 |     pub version: u32,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 241 |     pub flavor: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Drcov` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "801ec848eb77c09b91e0562709707b225a3cad198d3efd2587a4fed1452558bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801ec848eb77c09b91e0562709707b225a3cad198d3efd2587a4fed1452558bb", kill_on_drop: false }`
[INFO] [stdout] 801ec848eb77c09b91e0562709707b225a3cad198d3efd2587a4fed1452558bb