[INFO] cloning repository https://github.com/jiacai2050/tokio-debug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiacai2050/tokio-debug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiacai2050%2Ftokio-debug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiacai2050%2Ftokio-debug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 552cd5591ee7f6dd9702a9cc29d72c2ce24c857e
[INFO] checking jiacai2050/tokio-debug against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiacai2050%2Ftokio-debug" "/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/jiacai2050/tokio-debug 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/jiacai2050/tokio-debug
[INFO] finished tweaking git repo https://github.com/jiacai2050/tokio-debug
[INFO] tweaked toml for git repo https://github.com/jiacai2050/tokio-debug written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jiacai2050/tokio-debug 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-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] eab08a52c081987bd14763cd02a39bcffe726e2586f2d8eb553fbde15dda295d
[INFO] running `Command { std: "docker" "start" "-a" "eab08a52c081987bd14763cd02a39bcffe726e2586f2d8eb553fbde15dda295d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab08a52c081987bd14763cd02a39bcffe726e2586f2d8eb553fbde15dda295d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab08a52c081987bd14763cd02a39bcffe726e2586f2d8eb553fbde15dda295d", kill_on_drop: false }`
[INFO] [stdout] eab08a52c081987bd14763cd02a39bcffe726e2586f2d8eb553fbde15dda295d
[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] 2be0729043bd917df5ae8f1e11487bf925a54cb4725289454daaa12b00b884a1
[INFO] running `Command { std: "docker" "start" "-a" "2be0729043bd917df5ae8f1e11487bf925a54cb4725289454daaa12b00b884a1", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking foo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.92s
[INFO] running `Command { std: "docker" "inspect" "2be0729043bd917df5ae8f1e11487bf925a54cb4725289454daaa12b00b884a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be0729043bd917df5ae8f1e11487bf925a54cb4725289454daaa12b00b884a1", kill_on_drop: false }`
[INFO] [stdout] 2be0729043bd917df5ae8f1e11487bf925a54cb4725289454daaa12b00b884a1
[INFO] checking jiacai2050/tokio-debug against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiacai2050%2Ftokio-debug" "/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/jiacai2050/tokio-debug 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/jiacai2050/tokio-debug
[INFO] finished tweaking git repo https://github.com/jiacai2050/tokio-debug
[INFO] tweaked toml for git repo https://github.com/jiacai2050/tokio-debug written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jiacai2050/tokio-debug 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 44819c97cde182006f8a177f3194722a590435f51f38798793c79058664e444d
[INFO] running `Command { std: "docker" "start" "-a" "44819c97cde182006f8a177f3194722a590435f51f38798793c79058664e444d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44819c97cde182006f8a177f3194722a590435f51f38798793c79058664e444d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44819c97cde182006f8a177f3194722a590435f51f38798793c79058664e444d", kill_on_drop: false }`
[INFO] [stdout] 44819c97cde182006f8a177f3194722a590435f51f38798793c79058664e444d
[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] 9a168e34df24e583ee284c675967b29dd06ca2fcd9687b257c825fe258941980
[INFO] running `Command { std: "docker" "start" "-a" "9a168e34df24e583ee284c675967b29dd06ca2fcd9687b257c825fe258941980", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking foo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.22s
[INFO] running `Command { std: "docker" "inspect" "9a168e34df24e583ee284c675967b29dd06ca2fcd9687b257c825fe258941980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a168e34df24e583ee284c675967b29dd06ca2fcd9687b257c825fe258941980", kill_on_drop: false }`
[INFO] [stdout] 9a168e34df24e583ee284c675967b29dd06ca2fcd9687b257c825fe258941980