[INFO] fetching crate spanned 0.1.5...
[INFO] checking spanned-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate spanned 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate spanned 0.1.5 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 spanned 0.1.5
[INFO] finished tweaking crates.io crate spanned 0.1.5
[INFO] tweaked toml for crates.io crate spanned 0.1.5 written to /workspace/builds/worker-6-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 35 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[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 color-spantrace v0.2.1
[INFO] [stderr]   Downloaded color-eyre v0.6.3
[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] f96a7c3d1efd9994bfa213ff2ace3d60d15ff3e896b2bee9c6149736f6295ed6
[INFO] running `Command { std: "docker" "start" "-a" "f96a7c3d1efd9994bfa213ff2ace3d60d15ff3e896b2bee9c6149736f6295ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96a7c3d1efd9994bfa213ff2ace3d60d15ff3e896b2bee9c6149736f6295ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96a7c3d1efd9994bfa213ff2ace3d60d15ff3e896b2bee9c6149736f6295ed6", kill_on_drop: false }`
[INFO] [stdout] f96a7c3d1efd9994bfa213ff2ace3d60d15ff3e896b2bee9c6149736f6295ed6
[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] 07992a01322c39659ddeccab0d81f57140962921443abd6a9b0f46485e848e3a
[INFO] running `Command { std: "docker" "start" "-a" "07992a01322c39659ddeccab0d81f57140962921443abd6a9b0f46485e848e3a", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking spanned v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "07992a01322c39659ddeccab0d81f57140962921443abd6a9b0f46485e848e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07992a01322c39659ddeccab0d81f57140962921443abd6a9b0f46485e848e3a", kill_on_drop: false }`
[INFO] [stdout] 07992a01322c39659ddeccab0d81f57140962921443abd6a9b0f46485e848e3a