[INFO] cloning repository https://github.com/rsookram/zhwc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsookram/zhwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsookram%2Fzhwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsookram%2Fzhwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aa2f9b4009599f74886298536a19c74644156ad
[INFO] checking rsookram/zhwc against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsookram%2Fzhwc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rsookram/zhwc 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/rsookram/zhwc
[INFO] finished tweaking git repo https://github.com/rsookram/zhwc
[INFO] tweaked toml for git repo https://github.com/rsookram/zhwc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rsookram/zhwc 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 jieba-rs v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5c5c1b962992153d814e388bc318ccb0180bdaa4153e147541740e7d69a4817a
[INFO] running `Command { std: "docker" "start" "-a" "5c5c1b962992153d814e388bc318ccb0180bdaa4153e147541740e7d69a4817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c5c1b962992153d814e388bc318ccb0180bdaa4153e147541740e7d69a4817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5c1b962992153d814e388bc318ccb0180bdaa4153e147541740e7d69a4817a", kill_on_drop: false }`
[INFO] [stdout] 5c5c1b962992153d814e388bc318ccb0180bdaa4153e147541740e7d69a4817a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fb68ba8dde9db42077bd2d3017405270e70416542365291ec15b43b92b3629d7
[INFO] running `Command { std: "docker" "start" "-a" "fb68ba8dde9db42077bd2d3017405270e70416542365291ec15b43b92b3629d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking cedarwood v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling jieba-rs v0.6.6
[INFO] [stderr]     Checking zhwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.36s
[INFO] running `Command { std: "docker" "inspect" "fb68ba8dde9db42077bd2d3017405270e70416542365291ec15b43b92b3629d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb68ba8dde9db42077bd2d3017405270e70416542365291ec15b43b92b3629d7", kill_on_drop: false }`
[INFO] [stdout] fb68ba8dde9db42077bd2d3017405270e70416542365291ec15b43b92b3629d7
[INFO] checking rsookram/zhwc against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsookram%2Fzhwc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rsookram/zhwc 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/rsookram/zhwc
[INFO] finished tweaking git repo https://github.com/rsookram/zhwc
[INFO] tweaked toml for git repo https://github.com/rsookram/zhwc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rsookram/zhwc 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc687b489907b4dc98fce0dd74db1de6291c561a662fa3a0e88bc14ea6189097
[INFO] running `Command { std: "docker" "start" "-a" "bc687b489907b4dc98fce0dd74db1de6291c561a662fa3a0e88bc14ea6189097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc687b489907b4dc98fce0dd74db1de6291c561a662fa3a0e88bc14ea6189097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc687b489907b4dc98fce0dd74db1de6291c561a662fa3a0e88bc14ea6189097", kill_on_drop: false }`
[INFO] [stdout] bc687b489907b4dc98fce0dd74db1de6291c561a662fa3a0e88bc14ea6189097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 475e3957d1e7999dd538cf63b1eda454e540b417912b65c97671377620750578
[INFO] running `Command { std: "docker" "start" "-a" "475e3957d1e7999dd538cf63b1eda454e540b417912b65c97671377620750578", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking cedarwood v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling jieba-rs v0.6.6
[INFO] [stderr]     Checking zhwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "475e3957d1e7999dd538cf63b1eda454e540b417912b65c97671377620750578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475e3957d1e7999dd538cf63b1eda454e540b417912b65c97671377620750578", kill_on_drop: false }`
[INFO] [stdout] 475e3957d1e7999dd538cf63b1eda454e540b417912b65c97671377620750578