[INFO] cloning repository https://github.com/somehowchris/rust-crates-index-metrics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/somehowchris/rust-crates-index-metrics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomehowchris%2Frust-crates-index-metrics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomehowchris%2Frust-crates-index-metrics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01cc7fd3ce78851d3098e30b6b5693483dde67e3
[INFO] checking somehowchris/rust-crates-index-metrics against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomehowchris%2Frust-crates-index-metrics" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/somehowchris/rust-crates-index-metrics 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/somehowchris/rust-crates-index-metrics
[INFO] finished tweaking git repo https://github.com/somehowchris/rust-crates-index-metrics
[INFO] tweaked toml for git repo https://github.com/somehowchris/rust-crates-index-metrics 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 248 packages
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
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[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 cargo_toml v0.19.2
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[INFO] [stderr]   Downloaded systemstat v0.2.3
[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] a05ded84efb5897e55ac00abec27e4072657dadd89cab07e6606a5af50673fba
[INFO] running `Command { std: "docker" "start" "-a" "a05ded84efb5897e55ac00abec27e4072657dadd89cab07e6606a5af50673fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a05ded84efb5897e55ac00abec27e4072657dadd89cab07e6606a5af50673fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05ded84efb5897e55ac00abec27e4072657dadd89cab07e6606a5af50673fba", kill_on_drop: false }`
[INFO] [stdout] a05ded84efb5897e55ac00abec27e4072657dadd89cab07e6606a5af50673fba
[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] 2da49d8b8cf54a09aff71a5670819f7e045c8db7f3cb21793946c5e8a6013afa
[INFO] running `Command { std: "docker" "start" "-a" "2da49d8b8cf54a09aff71a5670819f7e045c8db7f3cb21793946c5e8a6013afa", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.14
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[INFO] [stderr]     Checking crates-index v1.0.0
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[INFO] [stderr]     Checking rust-crates-index-metrics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.71s
[INFO] running `Command { std: "docker" "inspect" "2da49d8b8cf54a09aff71a5670819f7e045c8db7f3cb21793946c5e8a6013afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da49d8b8cf54a09aff71a5670819f7e045c8db7f3cb21793946c5e8a6013afa", kill_on_drop: false }`
[INFO] [stdout] 2da49d8b8cf54a09aff71a5670819f7e045c8db7f3cb21793946c5e8a6013afa
[INFO] checking somehowchris/rust-crates-index-metrics against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomehowchris%2Frust-crates-index-metrics" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/somehowchris/rust-crates-index-metrics 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] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/somehowchris/rust-crates-index-metrics
[INFO] finished tweaking git repo https://github.com/somehowchris/rust-crates-index-metrics
[INFO] tweaked toml for git repo https://github.com/somehowchris/rust-crates-index-metrics 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] c0c88b2117ddffb66cbdfcec281a6ce7885285a18ce6aca205380dd1ba7bc1cc
[INFO] running `Command { std: "docker" "start" "-a" "c0c88b2117ddffb66cbdfcec281a6ce7885285a18ce6aca205380dd1ba7bc1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c88b2117ddffb66cbdfcec281a6ce7885285a18ce6aca205380dd1ba7bc1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c88b2117ddffb66cbdfcec281a6ce7885285a18ce6aca205380dd1ba7bc1cc", kill_on_drop: false }`
[INFO] [stdout] c0c88b2117ddffb66cbdfcec281a6ce7885285a18ce6aca205380dd1ba7bc1cc
[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] b456fa99a141b2c8e98d50015c982b08dad0e451d3a7204e785456d49c4c8281
[INFO] running `Command { std: "docker" "start" "-a" "b456fa99a141b2c8e98d50015c982b08dad0e451d3a7204e785456d49c4c8281", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "b456fa99a141b2c8e98d50015c982b08dad0e451d3a7204e785456d49c4c8281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b456fa99a141b2c8e98d50015c982b08dad0e451d3a7204e785456d49c4c8281", kill_on_drop: false }`
[INFO] [stdout] b456fa99a141b2c8e98d50015c982b08dad0e451d3a7204e785456d49c4c8281