[INFO] cloning repository https://github.com/dlunch/ezwel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlunch/ezwel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlunch%2Fezwel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlunch%2Fezwel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b548edeb00cd16bce7472aa4f8e666f65423b23b
[INFO] checking dlunch/ezwel against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlunch%2Fezwel" "/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/dlunch/ezwel 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/dlunch/ezwel
[INFO] finished tweaking git repo https://github.com/dlunch/ezwel
[INFO] tweaked toml for git repo https://github.com/dlunch/ezwel written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dlunch/ezwel 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] 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] 9399aaaaff96c3e39707e07d6878f461e4d7a9ec89bb17b618f43d8c5e273cbd
[INFO] running `Command { std: "docker" "start" "-a" "9399aaaaff96c3e39707e07d6878f461e4d7a9ec89bb17b618f43d8c5e273cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9399aaaaff96c3e39707e07d6878f461e4d7a9ec89bb17b618f43d8c5e273cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9399aaaaff96c3e39707e07d6878f461e4d7a9ec89bb17b618f43d8c5e273cbd", kill_on_drop: false }`
[INFO] [stdout] 9399aaaaff96c3e39707e07d6878f461e4d7a9ec89bb17b618f43d8c5e273cbd
[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] 7bc17348ba18486875282e5b929ae1b3be624509789123590b9a54b9382a2ebc
[INFO] running `Command { std: "docker" "start" "-a" "7bc17348ba18486875282e5b929ae1b3be624509789123590b9a54b9382a2ebc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking psl-types v2.0.10
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]     Checking publicsuffix v2.1.1
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking cookie_store v0.15.1
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking ezwel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.14s
[INFO] running `Command { std: "docker" "inspect" "7bc17348ba18486875282e5b929ae1b3be624509789123590b9a54b9382a2ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc17348ba18486875282e5b929ae1b3be624509789123590b9a54b9382a2ebc", kill_on_drop: false }`
[INFO] [stdout] 7bc17348ba18486875282e5b929ae1b3be624509789123590b9a54b9382a2ebc
[INFO] checking dlunch/ezwel against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlunch%2Fezwel" "/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/dlunch/ezwel 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/dlunch/ezwel
[INFO] finished tweaking git repo https://github.com/dlunch/ezwel
[INFO] tweaked toml for git repo https://github.com/dlunch/ezwel written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dlunch/ezwel 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] 08e72d40942b55953a0ca3b19d27525a1df89c37ddb00cd63297fe1fefd657dd
[INFO] running `Command { std: "docker" "start" "-a" "08e72d40942b55953a0ca3b19d27525a1df89c37ddb00cd63297fe1fefd657dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e72d40942b55953a0ca3b19d27525a1df89c37ddb00cd63297fe1fefd657dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e72d40942b55953a0ca3b19d27525a1df89c37ddb00cd63297fe1fefd657dd", kill_on_drop: false }`
[INFO] [stdout] 08e72d40942b55953a0ca3b19d27525a1df89c37ddb00cd63297fe1fefd657dd
[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] d665087eaedebe4a6184fba7cb7e5fefffac41796a254273a5bc1aae5db853f1
[INFO] running `Command { std: "docker" "start" "-a" "d665087eaedebe4a6184fba7cb7e5fefffac41796a254273a5bc1aae5db853f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking psl-types v2.0.10
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]     Checking publicsuffix v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking cookie_store v0.15.1
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking ezwel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "d665087eaedebe4a6184fba7cb7e5fefffac41796a254273a5bc1aae5db853f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d665087eaedebe4a6184fba7cb7e5fefffac41796a254273a5bc1aae5db853f1", kill_on_drop: false }`
[INFO] [stdout] d665087eaedebe4a6184fba7cb7e5fefffac41796a254273a5bc1aae5db853f1