[INFO] cloning repository https://github.com/chanurholis/hai-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chanurholis/hai-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanurholis%2Fhai-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanurholis%2Fhai-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea401625ea02310ea861f662bfcf8891b3feecd9
[INFO] checking chanurholis/hai-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanurholis%2Fhai-rust" "/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/chanurholis/hai-rust 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/chanurholis/hai-rust
[INFO] finished tweaking git repo https://github.com/chanurholis/hai-rust
[INFO] tweaked toml for git repo https://github.com/chanurholis/hai-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chanurholis/hai-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.3.1
[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] 73ad19b889bd1fa1f88fd737096984748345e0375cf30029a96f4d6fa5a3a6cc
[INFO] running `Command { std: "docker" "start" "-a" "73ad19b889bd1fa1f88fd737096984748345e0375cf30029a96f4d6fa5a3a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ad19b889bd1fa1f88fd737096984748345e0375cf30029a96f4d6fa5a3a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ad19b889bd1fa1f88fd737096984748345e0375cf30029a96f4d6fa5a3a6cc", kill_on_drop: false }`
[INFO] [stdout] 73ad19b889bd1fa1f88fd737096984748345e0375cf30029a96f4d6fa5a3a6cc
[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] e616be679f3e6b78b37b94bc0fb750110fe11245065a17d77d85c7cf3c6bdd0a
[INFO] running `Command { std: "docker" "start" "-a" "e616be679f3e6b78b37b94bc0fb750110fe11245065a17d77d85c7cf3c6bdd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking ferris-says v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hai-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "e616be679f3e6b78b37b94bc0fb750110fe11245065a17d77d85c7cf3c6bdd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e616be679f3e6b78b37b94bc0fb750110fe11245065a17d77d85c7cf3c6bdd0a", kill_on_drop: false }`
[INFO] [stdout] e616be679f3e6b78b37b94bc0fb750110fe11245065a17d77d85c7cf3c6bdd0a
[INFO] checking chanurholis/hai-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanurholis%2Fhai-rust" "/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/chanurholis/hai-rust 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/chanurholis/hai-rust
[INFO] finished tweaking git repo https://github.com/chanurholis/hai-rust
[INFO] tweaked toml for git repo https://github.com/chanurholis/hai-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chanurholis/hai-rust 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] 3faaee64709e13e635f54e3113d22b7c14985d704219ffd0e4823afb441b63e4
[INFO] running `Command { std: "docker" "start" "-a" "3faaee64709e13e635f54e3113d22b7c14985d704219ffd0e4823afb441b63e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3faaee64709e13e635f54e3113d22b7c14985d704219ffd0e4823afb441b63e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3faaee64709e13e635f54e3113d22b7c14985d704219ffd0e4823afb441b63e4", kill_on_drop: false }`
[INFO] [stdout] 3faaee64709e13e635f54e3113d22b7c14985d704219ffd0e4823afb441b63e4
[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] 7f870c7a5975b982011ea36c9b1625c4d156b942a9bc2eae072ff647fed7fdad
[INFO] running `Command { std: "docker" "start" "-a" "7f870c7a5975b982011ea36c9b1625c4d156b942a9bc2eae072ff647fed7fdad", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking ferris-says v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hai-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "7f870c7a5975b982011ea36c9b1625c4d156b942a9bc2eae072ff647fed7fdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f870c7a5975b982011ea36c9b1625c4d156b942a9bc2eae072ff647fed7fdad", kill_on_drop: false }`
[INFO] [stdout] 7f870c7a5975b982011ea36c9b1625c4d156b942a9bc2eae072ff647fed7fdad