[INFO] cloning repository https://github.com/StevenLwcz/urlunwrap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StevenLwcz/urlunwrap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenLwcz%2Furlunwrap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenLwcz%2Furlunwrap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c08468f01aec3d7ca714e6b6298aa19f13e7b51d
[INFO] checking StevenLwcz/urlunwrap against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenLwcz%2Furlunwrap" "/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/StevenLwcz/urlunwrap 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/StevenLwcz/urlunwrap
[INFO] finished tweaking git repo https://github.com/StevenLwcz/urlunwrap
[INFO] tweaked toml for git repo https://github.com/StevenLwcz/urlunwrap written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/StevenLwcz/urlunwrap 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 termtree v0.4.0
[INFO] [stderr]   Downloaded urldecode v0.1.1
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[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] 8b379765fd0c95fbdfcb73f89d2d526214195d2b3a31054b6f158022d6257701
[INFO] running `Command { std: "docker" "start" "-a" "8b379765fd0c95fbdfcb73f89d2d526214195d2b3a31054b6f158022d6257701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b379765fd0c95fbdfcb73f89d2d526214195d2b3a31054b6f158022d6257701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b379765fd0c95fbdfcb73f89d2d526214195d2b3a31054b6f158022d6257701", kill_on_drop: false }`
[INFO] [stdout] 8b379765fd0c95fbdfcb73f89d2d526214195d2b3a31054b6f158022d6257701
[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] 6da5e957ffca95c49b86bed281e48689688a38c203142f804a07eb6bec7f8f0a
[INFO] running `Command { std: "docker" "start" "-a" "6da5e957ffca95c49b86bed281e48689688a38c203142f804a07eb6bec7f8f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking urldecode v0.1.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking urlunwrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "6da5e957ffca95c49b86bed281e48689688a38c203142f804a07eb6bec7f8f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da5e957ffca95c49b86bed281e48689688a38c203142f804a07eb6bec7f8f0a", kill_on_drop: false }`
[INFO] [stdout] 6da5e957ffca95c49b86bed281e48689688a38c203142f804a07eb6bec7f8f0a
[INFO] checking StevenLwcz/urlunwrap against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStevenLwcz%2Furlunwrap" "/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/StevenLwcz/urlunwrap 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/StevenLwcz/urlunwrap
[INFO] finished tweaking git repo https://github.com/StevenLwcz/urlunwrap
[INFO] tweaked toml for git repo https://github.com/StevenLwcz/urlunwrap written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/StevenLwcz/urlunwrap 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9863d25e353585f420cb2579a1f55e1da1145057845eb57a45689b2277eb8d21
[INFO] running `Command { std: "docker" "start" "-a" "9863d25e353585f420cb2579a1f55e1da1145057845eb57a45689b2277eb8d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9863d25e353585f420cb2579a1f55e1da1145057845eb57a45689b2277eb8d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9863d25e353585f420cb2579a1f55e1da1145057845eb57a45689b2277eb8d21", kill_on_drop: false }`
[INFO] [stdout] 9863d25e353585f420cb2579a1f55e1da1145057845eb57a45689b2277eb8d21
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e11bf36e172590d09ef2e0f2945fa140be344249f2ba0d843e5061d49f0ce2
[INFO] running `Command { std: "docker" "start" "-a" "d9e11bf36e172590d09ef2e0f2945fa140be344249f2ba0d843e5061d49f0ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking urldecode v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking urlunwrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "d9e11bf36e172590d09ef2e0f2945fa140be344249f2ba0d843e5061d49f0ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e11bf36e172590d09ef2e0f2945fa140be344249f2ba0d843e5061d49f0ce2", kill_on_drop: false }`
[INFO] [stdout] d9e11bf36e172590d09ef2e0f2945fa140be344249f2ba0d843e5061d49f0ce2