[INFO] cloning repository https://github.com/SardineFish/home-ipv6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SardineFish/home-ipv6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSardineFish%2Fhome-ipv6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSardineFish%2Fhome-ipv6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df7feb60bd39d6402d4a19644898ce02535c8bec
[INFO] checking SardineFish/home-ipv6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSardineFish%2Fhome-ipv6" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SardineFish/home-ipv6 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/SardineFish/home-ipv6
[INFO] finished tweaking git repo https://github.com/SardineFish/home-ipv6
[INFO] tweaked toml for git repo https://github.com/SardineFish/home-ipv6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SardineFish/home-ipv6 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]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded pnet_sys v0.31.0
[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] [stderr]   Downloaded pnet v0.31.0
[INFO] [stderr]   Downloaded pnet_transport v0.31.0
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.4
[INFO] [stderr]   Downloaded local-ip-address v0.4.8
[INFO] [stderr]   Downloaded ipnetwork v0.19.0
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d8b3e602691b01562f73c8988f9fcf99a67b0412b8641ed36397bb98fbf077b9
[INFO] running `Command { std: "docker" "start" "-a" "d8b3e602691b01562f73c8988f9fcf99a67b0412b8641ed36397bb98fbf077b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8b3e602691b01562f73c8988f9fcf99a67b0412b8641ed36397bb98fbf077b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b3e602691b01562f73c8988f9fcf99a67b0412b8641ed36397bb98fbf077b9", kill_on_drop: false }`
[INFO] [stdout] d8b3e602691b01562f73c8988f9fcf99a67b0412b8641ed36397bb98fbf077b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1542a2839cc966a6f236c439a785cc3b5fa7465d47706c35463269fcf6c40d72
[INFO] running `Command { std: "docker" "start" "-a" "1542a2839cc966a6f236c439a785cc3b5fa7465d47706c35463269fcf6c40d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling pnet v0.31.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking pnet_sys v0.31.0
[INFO] [stderr]     Checking neli v0.5.3
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking pnet_macros_support v0.31.0
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking pnet_packet v0.31.0
[INFO] [stderr]     Checking local-ip-address v0.4.8
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking pnet_transport v0.31.0
[INFO] [stderr]     Checking ipnetwork v0.19.0
[INFO] [stderr]     Checking serde_yaml v0.9.13
[INFO] [stderr]     Checking pnet_datalink v0.31.0
[INFO] [stderr]     Checking home-ipv6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `Command { std: "docker" "inspect" "1542a2839cc966a6f236c439a785cc3b5fa7465d47706c35463269fcf6c40d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1542a2839cc966a6f236c439a785cc3b5fa7465d47706c35463269fcf6c40d72", kill_on_drop: false }`
[INFO] [stdout] 1542a2839cc966a6f236c439a785cc3b5fa7465d47706c35463269fcf6c40d72
[INFO] checking SardineFish/home-ipv6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSardineFish%2Fhome-ipv6" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SardineFish/home-ipv6 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/SardineFish/home-ipv6
[INFO] finished tweaking git repo https://github.com/SardineFish/home-ipv6
[INFO] tweaked toml for git repo https://github.com/SardineFish/home-ipv6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SardineFish/home-ipv6 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f1ae3a4dc182a80f9c75bfa04577739856304f638c934b0f74e28d3a68981323
[INFO] running `Command { std: "docker" "start" "-a" "f1ae3a4dc182a80f9c75bfa04577739856304f638c934b0f74e28d3a68981323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ae3a4dc182a80f9c75bfa04577739856304f638c934b0f74e28d3a68981323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ae3a4dc182a80f9c75bfa04577739856304f638c934b0f74e28d3a68981323", kill_on_drop: false }`
[INFO] [stdout] f1ae3a4dc182a80f9c75bfa04577739856304f638c934b0f74e28d3a68981323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 19e8a36aa83361e7735dfa6da26863856469a242ac1ac89112b4cf59978d886f
[INFO] running `Command { std: "docker" "start" "-a" "19e8a36aa83361e7735dfa6da26863856469a242ac1ac89112b4cf59978d886f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling pnet v0.31.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pnet_sys v0.31.0
[INFO] [stderr]     Checking neli v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking pnet_macros_support v0.31.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]     Checking local-ip-address v0.4.8
[INFO] [stderr]     Checking pnet_packet v0.31.0
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking pnet_transport v0.31.0
[INFO] [stderr]     Checking ipnetwork v0.19.0
[INFO] [stderr]     Checking serde_yaml v0.9.13
[INFO] [stderr]     Checking pnet_datalink v0.31.0
[INFO] [stderr]     Checking home-ipv6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.26s
[INFO] running `Command { std: "docker" "inspect" "19e8a36aa83361e7735dfa6da26863856469a242ac1ac89112b4cf59978d886f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e8a36aa83361e7735dfa6da26863856469a242ac1ac89112b4cf59978d886f", kill_on_drop: false }`
[INFO] [stdout] 19e8a36aa83361e7735dfa6da26863856469a242ac1ac89112b4cf59978d886f