[INFO] fetching crate kcat 0.1.6...
[INFO] checking kcat-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kcat 0.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate kcat 0.1.6 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 kcat 0.1.6
[INFO] finished tweaking crates.io crate kcat 0.1.6
[INFO] tweaked toml for crates.io crate kcat 0.1.6 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 84 packages
[INFO] [stderr]       Adding base64 v0.8.0 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding onig v3.2.2 (latest: v6.4.0)
[INFO] [stderr]       Adding onig_sys v68.2.1 (latest: v69.8.1)
[INFO] [stderr]       Adding plist v0.2.4 (latest: v1.6.1)
[INFO] [stderr]       Adding regex-syntax v0.4.2 (latest: v0.8.3)
[INFO] [stderr]       Adding safemem v0.2.0 (latest: v0.3.3)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding syntect v2.1.0 (latest: v5.2.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding xml-rs v0.7.0 (latest: v0.8.20)
[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 safemem v0.2.0
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded onig v3.2.2
[INFO] [stderr]   Downloaded xml-rs v0.7.0
[INFO] [stderr]   Downloaded plist v0.2.4
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded syntect v2.1.0
[INFO] [stderr]   Downloaded onig_sys v68.2.1
[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] 8fb11e35e81e51008b8972f7c113b60138985c488623ed820781d69ebf739eec
[INFO] running `Command { std: "docker" "start" "-a" "8fb11e35e81e51008b8972f7c113b60138985c488623ed820781d69ebf739eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb11e35e81e51008b8972f7c113b60138985c488623ed820781d69ebf739eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb11e35e81e51008b8972f7c113b60138985c488623ed820781d69ebf739eec", kill_on_drop: false }`
[INFO] [stdout] 8fb11e35e81e51008b8972f7c113b60138985c488623ed820781d69ebf739eec
[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] 5ce1782b076dd967de370bac43c1274e539d56e0b62549859c790f7d8a3b9946
[INFO] running `Command { std: "docker" "start" "-a" "5ce1782b076dd967de370bac43c1274e539d56e0b62549859c790f7d8a3b9946", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]     Checking kcat v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.81s
[INFO] running `Command { std: "docker" "inspect" "5ce1782b076dd967de370bac43c1274e539d56e0b62549859c790f7d8a3b9946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce1782b076dd967de370bac43c1274e539d56e0b62549859c790f7d8a3b9946", kill_on_drop: false }`
[INFO] [stdout] 5ce1782b076dd967de370bac43c1274e539d56e0b62549859c790f7d8a3b9946
[INFO] checking kcat-0.1.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate kcat 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate kcat 0.1.6 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kcat 0.1.6
[INFO] finished tweaking crates.io crate kcat 0.1.6
[INFO] tweaked toml for crates.io crate kcat 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e7398bece74fbaa2ab2e835eaccbd4148b3eaccde24d2ca8d37f7d0dc26246f
[INFO] running `Command { std: "docker" "start" "-a" "7e7398bece74fbaa2ab2e835eaccbd4148b3eaccde24d2ca8d37f7d0dc26246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7398bece74fbaa2ab2e835eaccbd4148b3eaccde24d2ca8d37f7d0dc26246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7398bece74fbaa2ab2e835eaccbd4148b3eaccde24d2ca8d37f7d0dc26246f", kill_on_drop: false }`
[INFO] [stdout] 7e7398bece74fbaa2ab2e835eaccbd4148b3eaccde24d2ca8d37f7d0dc26246f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ddd779e9a8473a44e10ded67268bc02804e36fcc7ee9c255e77b5af295f9583
[INFO] running `Command { std: "docker" "start" "-a" "9ddd779e9a8473a44e10ded67268bc02804e36fcc7ee9c255e77b5af295f9583", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]     Checking kcat v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.60s
[INFO] running `Command { std: "docker" "inspect" "9ddd779e9a8473a44e10ded67268bc02804e36fcc7ee9c255e77b5af295f9583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddd779e9a8473a44e10ded67268bc02804e36fcc7ee9c255e77b5af295f9583", kill_on_drop: false }`
[INFO] [stdout] 9ddd779e9a8473a44e10ded67268bc02804e36fcc7ee9c255e77b5af295f9583