[INFO] cloning repository https://github.com/iodapson/tiny-scraper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iodapson/tiny-scraper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiodapson%2Ftiny-scraper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiodapson%2Ftiny-scraper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6c552f259fdf1577bd82173e4d345a79c17b784
[INFO] checking iodapson/tiny-scraper against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiodapson%2Ftiny-scraper" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iodapson/tiny-scraper 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/iodapson/tiny-scraper
[INFO] finished tweaking git repo https://github.com/iodapson/tiny-scraper
[INFO] tweaked toml for git repo https://github.com/iodapson/tiny-scraper written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iodapson/tiny-scraper 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 scraper v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b39dace4432dbe18835a11c58cfb597285cce22cee96c758067c319499e802af
[INFO] running `Command { std: "docker" "start" "-a" "b39dace4432dbe18835a11c58cfb597285cce22cee96c758067c319499e802af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b39dace4432dbe18835a11c58cfb597285cce22cee96c758067c319499e802af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39dace4432dbe18835a11c58cfb597285cce22cee96c758067c319499e802af", kill_on_drop: false }`
[INFO] [stdout] b39dace4432dbe18835a11c58cfb597285cce22cee96c758067c319499e802af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1fe8e1a0588516c75d1cae7a3bf7033ba4ff4381cf923698aaf4648ee5b436f7
[INFO] running `Command { std: "docker" "start" "-a" "1fe8e1a0588516c75d1cae7a3bf7033ba4ff4381cf923698aaf4648ee5b436f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking scraper v0.13.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking a-tiny-scraper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.65s
[INFO] running `Command { std: "docker" "inspect" "1fe8e1a0588516c75d1cae7a3bf7033ba4ff4381cf923698aaf4648ee5b436f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe8e1a0588516c75d1cae7a3bf7033ba4ff4381cf923698aaf4648ee5b436f7", kill_on_drop: false }`
[INFO] [stdout] 1fe8e1a0588516c75d1cae7a3bf7033ba4ff4381cf923698aaf4648ee5b436f7
[INFO] checking iodapson/tiny-scraper against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiodapson%2Ftiny-scraper" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iodapson/tiny-scraper 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/iodapson/tiny-scraper
[INFO] finished tweaking git repo https://github.com/iodapson/tiny-scraper
[INFO] tweaked toml for git repo https://github.com/iodapson/tiny-scraper written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iodapson/tiny-scraper 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a6cefc90a181ccaf7de2474779026ea8b6d781d451e09741c8b2e1d0ba5badc3
[INFO] running `Command { std: "docker" "start" "-a" "a6cefc90a181ccaf7de2474779026ea8b6d781d451e09741c8b2e1d0ba5badc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6cefc90a181ccaf7de2474779026ea8b6d781d451e09741c8b2e1d0ba5badc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cefc90a181ccaf7de2474779026ea8b6d781d451e09741c8b2e1d0ba5badc3", kill_on_drop: false }`
[INFO] [stdout] a6cefc90a181ccaf7de2474779026ea8b6d781d451e09741c8b2e1d0ba5badc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 918d15ab4e87079942033651976a442d1d1e16543328de716c143330f4c09270
[INFO] running `Command { std: "docker" "start" "-a" "918d15ab4e87079942033651976a442d1d1e16543328de716c143330f4c09270", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking scraper v0.13.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking a-tiny-scraper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "918d15ab4e87079942033651976a442d1d1e16543328de716c143330f4c09270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918d15ab4e87079942033651976a442d1d1e16543328de716c143330f4c09270", kill_on_drop: false }`
[INFO] [stdout] 918d15ab4e87079942033651976a442d1d1e16543328de716c143330f4c09270