[INFO] cloning repository https://github.com/jeffutter/do_dns_updater
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffutter/do_dns_updater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffutter%2Fdo_dns_updater", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffutter%2Fdo_dns_updater'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6b5ad45bd74c05f821d6013d478ad24244a9b40
[INFO] checking jeffutter/do_dns_updater against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffutter%2Fdo_dns_updater" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffutter/do_dns_updater 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/jeffutter/do_dns_updater
[INFO] finished tweaking git repo https://github.com/jeffutter/do_dns_updater
[INFO] tweaked toml for git repo https://github.com/jeffutter/do_dns_updater written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffutter/do_dns_updater 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stun_codec v0.2.0
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded stunclient v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1907621e13f389e0a84c46ad2f556a5f81f2226fbef4745fe63902633a4e02e6
[INFO] running `Command { std: "docker" "start" "-a" "1907621e13f389e0a84c46ad2f556a5f81f2226fbef4745fe63902633a4e02e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1907621e13f389e0a84c46ad2f556a5f81f2226fbef4745fe63902633a4e02e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1907621e13f389e0a84c46ad2f556a5f81f2226fbef4745fe63902633a4e02e6", kill_on_drop: false }`
[INFO] [stdout] 1907621e13f389e0a84c46ad2f556a5f81f2226fbef4745fe63902633a4e02e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f57c823cf41501b88315887ce20689082a639f8cc14167fbf1a441a4bb8392b5
[INFO] running `Command { std: "docker" "start" "-a" "f57c823cf41501b88315887ce20689082a639f8cc14167fbf1a441a4bb8392b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking stun_codec v0.2.0
[INFO] [stderr]     Checking stunclient v0.4.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking do-dns-updater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "f57c823cf41501b88315887ce20689082a639f8cc14167fbf1a441a4bb8392b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57c823cf41501b88315887ce20689082a639f8cc14167fbf1a441a4bb8392b5", kill_on_drop: false }`
[INFO] [stdout] f57c823cf41501b88315887ce20689082a639f8cc14167fbf1a441a4bb8392b5
[INFO] checking jeffutter/do_dns_updater against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffutter%2Fdo_dns_updater" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffutter/do_dns_updater on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffutter/do_dns_updater
[INFO] finished tweaking git repo https://github.com/jeffutter/do_dns_updater
[INFO] tweaked toml for git repo https://github.com/jeffutter/do_dns_updater written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffutter/do_dns_updater 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68d738b8f87bfa84d6b9fcbcaea085cfb2c65eb55a1c1014afc2f4f3c4a92171
[INFO] running `Command { std: "docker" "start" "-a" "68d738b8f87bfa84d6b9fcbcaea085cfb2c65eb55a1c1014afc2f4f3c4a92171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d738b8f87bfa84d6b9fcbcaea085cfb2c65eb55a1c1014afc2f4f3c4a92171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d738b8f87bfa84d6b9fcbcaea085cfb2c65eb55a1c1014afc2f4f3c4a92171", kill_on_drop: false }`
[INFO] [stdout] 68d738b8f87bfa84d6b9fcbcaea085cfb2c65eb55a1c1014afc2f4f3c4a92171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9acd1465fcac92ff517969ba6d11274625671537720dc9d9a3d5cd336ba6f2
[INFO] running `Command { std: "docker" "start" "-a" "cb9acd1465fcac92ff517969ba6d11274625671537720dc9d9a3d5cd336ba6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]     Checking stun_codec v0.2.0
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking stunclient v0.4.0
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking do-dns-updater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.31s
[INFO] running `Command { std: "docker" "inspect" "cb9acd1465fcac92ff517969ba6d11274625671537720dc9d9a3d5cd336ba6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9acd1465fcac92ff517969ba6d11274625671537720dc9d9a3d5cd336ba6f2", kill_on_drop: false }`
[INFO] [stdout] cb9acd1465fcac92ff517969ba6d11274625671537720dc9d9a3d5cd336ba6f2