[INFO] cloning repository https://github.com/robdimsdale/pi_clock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robdimsdale/pi_clock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fpi_clock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fpi_clock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0792e72688ee512cf9a124eb6ed23b109789f61
[INFO] checking robdimsdale/pi_clock against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fpi_clock" "/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/robdimsdale/pi_clock 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/robdimsdale/pi_clock
[INFO] finished tweaking git repo https://github.com/robdimsdale/pi_clock
[INFO] tweaked toml for git repo https://github.com/robdimsdale/pi_clock written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/robdimsdale/pi_clock 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded veml6030 v0.1.2
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded linux-embedded-hal v0.3.2
[INFO] [stderr]   Downloaded rppal v0.17.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.78
[INFO] [stderr]   Downloaded adafruit-7segment v0.1.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.78
[INFO] [stderr]   Downloaded cxx-build v1.0.78
[INFO] [stderr]   Downloaded cxx v1.0.78
[INFO] [stderr]   Downloaded iana-time-zone v0.1.51
[INFO] [stderr]   Downloaded display-interface v0.5.0
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded gpio-cdev v0.5.1
[INFO] [stderr]   Downloaded i2cdev v0.5.1
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded spidev v0.5.1
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.0
[INFO] [stderr]   Downloaded adafruit-alphanum4 v0.1.2
[INFO] [stderr]   Downloaded display-interface-spi v0.5.0
[INFO] [stderr]   Downloaded ht16k33 v0.4.0
[INFO] [stderr]   Downloaded hd44780-driver v0.4.0
[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] 35d2968ebaea7cd3d38fc25842b32ff7128acb3a1ccfb4b53c19d25b6d4094df
[INFO] running `Command { std: "docker" "start" "-a" "35d2968ebaea7cd3d38fc25842b32ff7128acb3a1ccfb4b53c19d25b6d4094df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d2968ebaea7cd3d38fc25842b32ff7128acb3a1ccfb4b53c19d25b6d4094df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d2968ebaea7cd3d38fc25842b32ff7128acb3a1ccfb4b53c19d25b6d4094df", kill_on_drop: false }`
[INFO] [stdout] 35d2968ebaea7cd3d38fc25842b32ff7128acb3a1ccfb4b53c19d25b6d4094df
[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] 8601d4d54a673d2ffa54617f0117a7cfd7cbe968709ff6929a04a9b89e3dc2f9
[INFO] running `Command { std: "docker" "start" "-a" "8601d4d54a673d2ffa54617f0117a7cfd7cbe968709ff6929a04a9b89e3dc2f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking pi_clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.68s
[INFO] running `Command { std: "docker" "inspect" "8601d4d54a673d2ffa54617f0117a7cfd7cbe968709ff6929a04a9b89e3dc2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8601d4d54a673d2ffa54617f0117a7cfd7cbe968709ff6929a04a9b89e3dc2f9", kill_on_drop: false }`
[INFO] [stdout] 8601d4d54a673d2ffa54617f0117a7cfd7cbe968709ff6929a04a9b89e3dc2f9
[INFO] checking robdimsdale/pi_clock against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fpi_clock" "/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/robdimsdale/pi_clock 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/robdimsdale/pi_clock
[INFO] finished tweaking git repo https://github.com/robdimsdale/pi_clock
[INFO] tweaked toml for git repo https://github.com/robdimsdale/pi_clock written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/robdimsdale/pi_clock 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] 06ef7e1783582522cd4e69104a0d447c0dba7db5baa0178f5db08e03135e6b0e
[INFO] running `Command { std: "docker" "start" "-a" "06ef7e1783582522cd4e69104a0d447c0dba7db5baa0178f5db08e03135e6b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ef7e1783582522cd4e69104a0d447c0dba7db5baa0178f5db08e03135e6b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ef7e1783582522cd4e69104a0d447c0dba7db5baa0178f5db08e03135e6b0e", kill_on_drop: false }`
[INFO] [stdout] 06ef7e1783582522cd4e69104a0d447c0dba7db5baa0178f5db08e03135e6b0e
[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] 0cc00350d8d291854abe3e6eed5bd8550687d57cbd7aa1a2d6c3ef2076bfe0a4
[INFO] running `Command { std: "docker" "start" "-a" "0cc00350d8d291854abe3e6eed5bd8550687d57cbd7aa1a2d6c3ef2076bfe0a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking pi_clock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.06s
[INFO] running `Command { std: "docker" "inspect" "0cc00350d8d291854abe3e6eed5bd8550687d57cbd7aa1a2d6c3ef2076bfe0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc00350d8d291854abe3e6eed5bd8550687d57cbd7aa1a2d6c3ef2076bfe0a4", kill_on_drop: false }`
[INFO] [stdout] 0cc00350d8d291854abe3e6eed5bd8550687d57cbd7aa1a2d6c3ef2076bfe0a4