[INFO] cloning repository https://github.com/lukasmetzner/totoro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukasmetzner/totoro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmetzner%2Ftotoro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmetzner%2Ftotoro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bfdd74d78c21263e5e1abd2269b73ac3d082d61
[INFO] checking lukasmetzner/totoro against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmetzner%2Ftotoro" "/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/lukasmetzner/totoro 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/lukasmetzner/totoro
[INFO] finished tweaking git repo https://github.com/lukasmetzner/totoro
[INFO] tweaked toml for git repo https://github.com/lukasmetzner/totoro written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lukasmetzner/totoro 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] warning: file `/workspace/builds/worker-4-tc1/source/examples/pub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `pub-client`
[INFO] [stderr]   * `example` target `pub_client`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc1/source/examples/sub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `sub-client`
[INFO] [stderr]   * `example` target `sub_client`
[INFO] [stderr] warning: unused manifest key: dependencies.tokio.verison
[INFO] [stderr] warning: dependency (tokio) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[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] 95bd5548ff77f39bf9afa09644e3dbc6a0ee2c606fe6362ee8a59fbfa996e801
[INFO] running `Command { std: "docker" "start" "-a" "95bd5548ff77f39bf9afa09644e3dbc6a0ee2c606fe6362ee8a59fbfa996e801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95bd5548ff77f39bf9afa09644e3dbc6a0ee2c606fe6362ee8a59fbfa996e801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95bd5548ff77f39bf9afa09644e3dbc6a0ee2c606fe6362ee8a59fbfa996e801", kill_on_drop: false }`
[INFO] [stdout] 95bd5548ff77f39bf9afa09644e3dbc6a0ee2c606fe6362ee8a59fbfa996e801
[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] 3e5e4f3064b287e7112e4f3a5d48a558fd6813b1f9be037416ddd95d22106b5e
[INFO] running `Command { std: "docker" "start" "-a" "3e5e4f3064b287e7112e4f3a5d48a558fd6813b1f9be037416ddd95d22106b5e", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/pub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `pub-client`
[INFO] [stderr]   * `example` target `pub_client`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/sub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `sub-client`
[INFO] [stderr]   * `example` target `sub_client`
[INFO] [stderr] warning: unused manifest key: dependencies.tokio.verison
[INFO] [stderr] warning: dependency (tokio) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking totoro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "3e5e4f3064b287e7112e4f3a5d48a558fd6813b1f9be037416ddd95d22106b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5e4f3064b287e7112e4f3a5d48a558fd6813b1f9be037416ddd95d22106b5e", kill_on_drop: false }`
[INFO] [stdout] 3e5e4f3064b287e7112e4f3a5d48a558fd6813b1f9be037416ddd95d22106b5e
[INFO] checking lukasmetzner/totoro against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmetzner%2Ftotoro" "/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/lukasmetzner/totoro 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/lukasmetzner/totoro
[INFO] finished tweaking git repo https://github.com/lukasmetzner/totoro
[INFO] tweaked toml for git repo https://github.com/lukasmetzner/totoro written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lukasmetzner/totoro 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] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/pub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `pub-client`
[INFO] [stderr]   * `example` target `pub_client`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/sub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `sub-client`
[INFO] [stderr]   * `example` target `sub_client`
[INFO] [stderr] warning: unused manifest key: dependencies.tokio.verison
[INFO] [stderr] warning: dependency (tokio) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[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] 38a6fdceec05025892d0ce9799828516bfedbc7cc9873a9a49835cf0c531f72d
[INFO] running `Command { std: "docker" "start" "-a" "38a6fdceec05025892d0ce9799828516bfedbc7cc9873a9a49835cf0c531f72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38a6fdceec05025892d0ce9799828516bfedbc7cc9873a9a49835cf0c531f72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a6fdceec05025892d0ce9799828516bfedbc7cc9873a9a49835cf0c531f72d", kill_on_drop: false }`
[INFO] [stdout] 38a6fdceec05025892d0ce9799828516bfedbc7cc9873a9a49835cf0c531f72d
[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] 3df6160785a8e5c7642ee71e94db84ea539852f90e2bfdabb3310dd05d587fb4
[INFO] running `Command { std: "docker" "start" "-a" "3df6160785a8e5c7642ee71e94db84ea539852f90e2bfdabb3310dd05d587fb4", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/pub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `pub-client`
[INFO] [stderr]   * `example` target `pub_client`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/sub_client.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `sub-client`
[INFO] [stderr]   * `example` target `sub_client`
[INFO] [stderr] warning: unused manifest key: dependencies.tokio.verison
[INFO] [stderr] warning: dependency (tokio) specified without providing a local path, Git repository, version, or workspace dependency to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking totoro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "3df6160785a8e5c7642ee71e94db84ea539852f90e2bfdabb3310dd05d587fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df6160785a8e5c7642ee71e94db84ea539852f90e2bfdabb3310dd05d587fb4", kill_on_drop: false }`
[INFO] [stdout] 3df6160785a8e5c7642ee71e94db84ea539852f90e2bfdabb3310dd05d587fb4