[INFO] cloning repository https://github.com/bneijt/pytera
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bneijt/pytera" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbneijt%2Fpytera", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbneijt%2Fpytera'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a6ba48421a8db9e0acb19e14226397a87894976
[INFO] checking bneijt/pytera against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbneijt%2Fpytera" "/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/bneijt/pytera 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/bneijt/pytera
[INFO] finished tweaking git repo https://github.com/bneijt/pytera
[INFO] tweaked toml for git repo https://github.com/bneijt/pytera written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bneijt/pytera 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 ignore v0.4.18
[INFO] [stderr]   Downloaded pyo3-macros v0.15.0
[INFO] [stderr]   Downloaded globset v0.4.8
[INFO] [stderr]   Downloaded pyo3-build-config v0.15.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.15.0
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded tera v1.15.0
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded pyo3 v0.15.0
[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] 22ed71b909918a8e5080e7dcf66a45defa9ea9f4ed0ffada9318ccc224561fa6
[INFO] running `Command { std: "docker" "start" "-a" "22ed71b909918a8e5080e7dcf66a45defa9ea9f4ed0ffada9318ccc224561fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ed71b909918a8e5080e7dcf66a45defa9ea9f4ed0ffada9318ccc224561fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ed71b909918a8e5080e7dcf66a45defa9ea9f4ed0ffada9318ccc224561fa6", kill_on_drop: false }`
[INFO] [stdout] 22ed71b909918a8e5080e7dcf66a45defa9ea9f4ed0ffada9318ccc224561fa6
[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] 99b2b08cea95ed906b25b667070e4e2d718bc6fd6e3eb2ad0eb1f2785be3fac7
[INFO] running `Command { std: "docker" "start" "-a" "99b2b08cea95ed906b25b667070e4e2d718bc6fd6e3eb2ad0eb1f2785be3fac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling pyo3-build-config v0.15.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling phf v0.10.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling pyo3 v0.15.0
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling chrono-tz v0.6.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.0
[INFO] [stderr]     Checking tera v1.15.0
[INFO] [stderr]     Checking pytera v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.79s
[INFO] running `Command { std: "docker" "inspect" "99b2b08cea95ed906b25b667070e4e2d718bc6fd6e3eb2ad0eb1f2785be3fac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b2b08cea95ed906b25b667070e4e2d718bc6fd6e3eb2ad0eb1f2785be3fac7", kill_on_drop: false }`
[INFO] [stdout] 99b2b08cea95ed906b25b667070e4e2d718bc6fd6e3eb2ad0eb1f2785be3fac7
[INFO] checking bneijt/pytera against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbneijt%2Fpytera" "/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/bneijt/pytera 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/bneijt/pytera
[INFO] finished tweaking git repo https://github.com/bneijt/pytera
[INFO] tweaked toml for git repo https://github.com/bneijt/pytera written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bneijt/pytera 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] ced916e4f94a1dcd5ee51b1b956483c5f427eaf964aa09a8b319d6fc2237f85c
[INFO] running `Command { std: "docker" "start" "-a" "ced916e4f94a1dcd5ee51b1b956483c5f427eaf964aa09a8b319d6fc2237f85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced916e4f94a1dcd5ee51b1b956483c5f427eaf964aa09a8b319d6fc2237f85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced916e4f94a1dcd5ee51b1b956483c5f427eaf964aa09a8b319d6fc2237f85c", kill_on_drop: false }`
[INFO] [stdout] ced916e4f94a1dcd5ee51b1b956483c5f427eaf964aa09a8b319d6fc2237f85c
[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] 85acac225a3c3fec3b3f50a855b4f5188b450e02c234597fa04dd6f3c739e75f
[INFO] running `Command { std: "docker" "start" "-a" "85acac225a3c3fec3b3f50a855b4f5188b450e02c234597fa04dd6f3c739e75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling pyo3-build-config v0.15.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling phf v0.10.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling pyo3 v0.15.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling chrono-tz v0.6.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.0
[INFO] [stderr]     Checking tera v1.15.0
[INFO] [stderr]     Checking pytera v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.45s
[INFO] running `Command { std: "docker" "inspect" "85acac225a3c3fec3b3f50a855b4f5188b450e02c234597fa04dd6f3c739e75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85acac225a3c3fec3b3f50a855b4f5188b450e02c234597fa04dd6f3c739e75f", kill_on_drop: false }`
[INFO] [stdout] 85acac225a3c3fec3b3f50a855b4f5188b450e02c234597fa04dd6f3c739e75f