[INFO] cloning repository https://github.com/marcybelardo/riva
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcybelardo/riva" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcybelardo%2Friva", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcybelardo%2Friva'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c66c942c24ec475a4f18296d442acb4225227c51
[INFO] checking marcybelardo/riva against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcybelardo%2Friva" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcybelardo/riva 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/marcybelardo/riva
[INFO] finished tweaking git repo https://github.com/marcybelardo/riva
[INFO] tweaked toml for git repo https://github.com/marcybelardo/riva written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marcybelardo/riva 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3e8565943d7f49525fdd5aa72c9fd27b3df4e73162a8783fc48dc194db44d262
[INFO] running `Command { std: "docker" "start" "-a" "3e8565943d7f49525fdd5aa72c9fd27b3df4e73162a8783fc48dc194db44d262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8565943d7f49525fdd5aa72c9fd27b3df4e73162a8783fc48dc194db44d262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8565943d7f49525fdd5aa72c9fd27b3df4e73162a8783fc48dc194db44d262", kill_on_drop: false }`
[INFO] [stdout] 3e8565943d7f49525fdd5aa72c9fd27b3df4e73162a8783fc48dc194db44d262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cd9baae51e472bd42a560c15e174b3256b54cc4a4dd6a7947258e5ed470aeac8
[INFO] running `Command { std: "docker" "start" "-a" "cd9baae51e472bd42a560c15e174b3256b54cc4a4dd6a7947258e5ed470aeac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking riva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "cd9baae51e472bd42a560c15e174b3256b54cc4a4dd6a7947258e5ed470aeac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9baae51e472bd42a560c15e174b3256b54cc4a4dd6a7947258e5ed470aeac8", kill_on_drop: false }`
[INFO] [stdout] cd9baae51e472bd42a560c15e174b3256b54cc4a4dd6a7947258e5ed470aeac8
[INFO] checking marcybelardo/riva against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcybelardo%2Friva" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcybelardo/riva 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/marcybelardo/riva
[INFO] finished tweaking git repo https://github.com/marcybelardo/riva
[INFO] tweaked toml for git repo https://github.com/marcybelardo/riva written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/marcybelardo/riva 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8d55161797cf658234f1039b82e393e0ca0a9f65776d2de26ccabde9de43ef6f
[INFO] running `Command { std: "docker" "start" "-a" "8d55161797cf658234f1039b82e393e0ca0a9f65776d2de26ccabde9de43ef6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d55161797cf658234f1039b82e393e0ca0a9f65776d2de26ccabde9de43ef6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d55161797cf658234f1039b82e393e0ca0a9f65776d2de26ccabde9de43ef6f", kill_on_drop: false }`
[INFO] [stdout] 8d55161797cf658234f1039b82e393e0ca0a9f65776d2de26ccabde9de43ef6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0c63a8ecbc08e2518d8f4eb70d52fa390510cef7dd8574aa53670c080c0b40e2
[INFO] running `Command { std: "docker" "start" "-a" "0c63a8ecbc08e2518d8f4eb70d52fa390510cef7dd8574aa53670c080c0b40e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking riva v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "0c63a8ecbc08e2518d8f4eb70d52fa390510cef7dd8574aa53670c080c0b40e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c63a8ecbc08e2518d8f4eb70d52fa390510cef7dd8574aa53670c080c0b40e2", kill_on_drop: false }`
[INFO] [stdout] 0c63a8ecbc08e2518d8f4eb70d52fa390510cef7dd8574aa53670c080c0b40e2