[INFO] cloning repository https://github.com/mixlayer/mixlayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mixlayer/mixlayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 697146f2c1540764e2e242aee75d470aea6bb9c9
[INFO] checking mixlayer/mixlayer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mixlayer/mixlayer 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 git repo https://github.com/mixlayer/mixlayer
[INFO] finished tweaking git repo https://github.com/mixlayer/mixlayer
[INFO] tweaked toml for git repo https://github.com/mixlayer/mixlayer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mixlayer/mixlayer 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ccd811e89780f7c47099e712905621c1065084bfb0aaaadd4f063ec84310aa5a
[INFO] running `Command { std: "docker" "start" "-a" "ccd811e89780f7c47099e712905621c1065084bfb0aaaadd4f063ec84310aa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd811e89780f7c47099e712905621c1065084bfb0aaaadd4f063ec84310aa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd811e89780f7c47099e712905621c1065084bfb0aaaadd4f063ec84310aa5a", kill_on_drop: false }`
[INFO] [stdout] ccd811e89780f7c47099e712905621c1065084bfb0aaaadd4f063ec84310aa5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39e6ebb2b8e5bc6ae0c4d32e0eefc9098841d5f2ff30568ec1536250706baa2f
[INFO] running `Command { std: "docker" "start" "-a" "39e6ebb2b8e5bc6ae0c4d32e0eefc9098841d5f2ff30568ec1536250706baa2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking mixlayer-macros v0.1.0 (/opt/rustwide/workdir/lib-macros)
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling prost v0.11.0
[INFO] [stderr]    Compiling prost-types v0.11.1
[INFO] [stderr]    Compiling prost-build v0.11.1
[INFO] [stderr]    Compiling mixlayer-runtime-ffi v0.1.0 (/opt/rustwide/workdir/runtime-ffi)
[INFO] [stderr]     Checking mixlayer-data v0.1.0 (/opt/rustwide/workdir/data)
[INFO] [stderr]     Checking mixlayer-graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stderr]     Checking mixlayer v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.54s
[INFO] running `Command { std: "docker" "inspect" "39e6ebb2b8e5bc6ae0c4d32e0eefc9098841d5f2ff30568ec1536250706baa2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e6ebb2b8e5bc6ae0c4d32e0eefc9098841d5f2ff30568ec1536250706baa2f", kill_on_drop: false }`
[INFO] [stdout] 39e6ebb2b8e5bc6ae0c4d32e0eefc9098841d5f2ff30568ec1536250706baa2f
[INFO] checking mixlayer/mixlayer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mixlayer/mixlayer 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 git repo https://github.com/mixlayer/mixlayer
[INFO] finished tweaking git repo https://github.com/mixlayer/mixlayer
[INFO] tweaked toml for git repo https://github.com/mixlayer/mixlayer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mixlayer/mixlayer 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9f1895a51ff6cc4182b51aa0c90e95a0d1b47c017ae6d3c72b65c72384beb8b6
[INFO] running `Command { std: "docker" "start" "-a" "9f1895a51ff6cc4182b51aa0c90e95a0d1b47c017ae6d3c72b65c72384beb8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1895a51ff6cc4182b51aa0c90e95a0d1b47c017ae6d3c72b65c72384beb8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1895a51ff6cc4182b51aa0c90e95a0d1b47c017ae6d3c72b65c72384beb8b6", kill_on_drop: false }`
[INFO] [stdout] 9f1895a51ff6cc4182b51aa0c90e95a0d1b47c017ae6d3c72b65c72384beb8b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d48fae399da67a5d2a15665b02286dd1a4d1977b9bfd74b062b66e23780ebdc
[INFO] running `Command { std: "docker" "start" "-a" "2d48fae399da67a5d2a15665b02286dd1a4d1977b9bfd74b062b66e23780ebdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]     Checking mixlayer-macros v0.1.0 (/opt/rustwide/workdir/lib-macros)
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling prost v0.11.0
[INFO] [stderr]    Compiling prost-types v0.11.1
[INFO] [stderr]    Compiling prost-build v0.11.1
[INFO] [stderr]    Compiling mixlayer-runtime-ffi v0.1.0 (/opt/rustwide/workdir/runtime-ffi)
[INFO] [stderr]     Checking mixlayer-data v0.1.0 (/opt/rustwide/workdir/data)
[INFO] [stderr]     Checking mixlayer-graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stderr]     Checking mixlayer v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.54s
[INFO] running `Command { std: "docker" "inspect" "2d48fae399da67a5d2a15665b02286dd1a4d1977b9bfd74b062b66e23780ebdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d48fae399da67a5d2a15665b02286dd1a4d1977b9bfd74b062b66e23780ebdc", kill_on_drop: false }`
[INFO] [stdout] 2d48fae399da67a5d2a15665b02286dd1a4d1977b9bfd74b062b66e23780ebdc