[INFO] fetching crate tweb 0.2.0...
[INFO] checking tweb-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tweb 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate tweb 0.2.0 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 crates.io crate tweb 0.2.0
[INFO] finished tweaking crates.io crate tweb 0.2.0
[INFO] tweaked toml for crates.io crate tweb 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate tweb 0.2.0 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 proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.93
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.93
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded cxx v1.0.93
[INFO] [stderr]   Downloaded cxx-build v1.0.93
[INFO] [stderr]   Downloaded iana-time-zone v0.1.54
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded syn v2.0.6
[INFO] [stderr]   Downloaded dirs v5.0.0
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded windows v0.46.0
[INFO] [stderr]   Downloaded dirs-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b70a50623e219f68eda98113036f995fe030fb869f221be35d774389664bfe89
[INFO] running `Command { std: "docker" "start" "-a" "b70a50623e219f68eda98113036f995fe030fb869f221be35d774389664bfe89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b70a50623e219f68eda98113036f995fe030fb869f221be35d774389664bfe89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70a50623e219f68eda98113036f995fe030fb869f221be35d774389664bfe89", kill_on_drop: false }`
[INFO] [stdout] b70a50623e219f68eda98113036f995fe030fb869f221be35d774389664bfe89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] be3bc3245ff8ff15af5b5613657a559fd4e3099d0301ee57b40b11c51bcfd0ab
[INFO] running `Command { std: "docker" "start" "-a" "be3bc3245ff8ff15af5b5613657a559fd4e3099d0301ee57b40b11c51bcfd0ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.4.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs v5.0.0
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tweb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "be3bc3245ff8ff15af5b5613657a559fd4e3099d0301ee57b40b11c51bcfd0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3bc3245ff8ff15af5b5613657a559fd4e3099d0301ee57b40b11c51bcfd0ab", kill_on_drop: false }`
[INFO] [stdout] be3bc3245ff8ff15af5b5613657a559fd4e3099d0301ee57b40b11c51bcfd0ab
[INFO] checking tweb-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tweb 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate tweb 0.2.0 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 crates.io crate tweb 0.2.0
[INFO] finished tweaking crates.io crate tweb 0.2.0
[INFO] tweaked toml for crates.io crate tweb 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate tweb 0.2.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 411255e6f551575d52717f3cfdb8e32fb0cc8f8a6f17573fbb8def2db8feb895
[INFO] running `Command { std: "docker" "start" "-a" "411255e6f551575d52717f3cfdb8e32fb0cc8f8a6f17573fbb8def2db8feb895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411255e6f551575d52717f3cfdb8e32fb0cc8f8a6f17573fbb8def2db8feb895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411255e6f551575d52717f3cfdb8e32fb0cc8f8a6f17573fbb8def2db8feb895", kill_on_drop: false }`
[INFO] [stdout] 411255e6f551575d52717f3cfdb8e32fb0cc8f8a6f17573fbb8def2db8feb895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7a0f00c7a56ce46f0d7d660ae666c71e94542053f9bd58d4743950ee2734e64c
[INFO] running `Command { std: "docker" "start" "-a" "7a0f00c7a56ce46f0d7d660ae666c71e94542053f9bd58d4743950ee2734e64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.4.0
[INFO] [stderr]     Checking dirs v5.0.0
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tweb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `Command { std: "docker" "inspect" "7a0f00c7a56ce46f0d7d660ae666c71e94542053f9bd58d4743950ee2734e64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0f00c7a56ce46f0d7d660ae666c71e94542053f9bd58d4743950ee2734e64c", kill_on_drop: false }`
[INFO] [stdout] 7a0f00c7a56ce46f0d7d660ae666c71e94542053f9bd58d4743950ee2734e64c