[INFO] cloning repository https://github.com/cicvedu/rust-arceos-py-Bob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-arceos-py-Bob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-py-Bob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-py-Bob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a3e158bc2b96cca5a437bddad2471b8333d0a9f
[INFO] checking cicvedu/rust-arceos-py-Bob against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-py-Bob" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rust-arceos-py-Bob 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/cicvedu/rust-arceos-py-Bob
[INFO] finished tweaking git repo https://github.com/cicvedu/rust-arceos-py-Bob
[INFO] tweaked toml for git repo https://github.com/cicvedu/rust-arceos-py-Bob written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rust-arceos-py-Bob 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 async-process v1.7.0
[INFO] [stderr]   Downloaded tokio v1.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2934c5cd683895cfdbae2f828a1b63e078c0cad44016b3297b17a0cb83b76397
[INFO] running `Command { std: "docker" "start" "-a" "2934c5cd683895cfdbae2f828a1b63e078c0cad44016b3297b17a0cb83b76397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2934c5cd683895cfdbae2f828a1b63e078c0cad44016b3297b17a0cb83b76397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2934c5cd683895cfdbae2f828a1b63e078c0cad44016b3297b17a0cb83b76397", kill_on_drop: false }`
[INFO] [stdout] 2934c5cd683895cfdbae2f828a1b63e078c0cad44016b3297b17a0cb83b76397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7ecc9d00f9291f9f2246ccb2fa3101578bb638719e4bc404d8e45727079dd552
[INFO] running `Command { std: "docker" "start" "-a" "7ecc9d00f9291f9f2246ccb2fa3101578bb638719e4bc404d8e45727079dd552", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking arceos v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.18s
[INFO] running `Command { std: "docker" "inspect" "7ecc9d00f9291f9f2246ccb2fa3101578bb638719e4bc404d8e45727079dd552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecc9d00f9291f9f2246ccb2fa3101578bb638719e4bc404d8e45727079dd552", kill_on_drop: false }`
[INFO] [stdout] 7ecc9d00f9291f9f2246ccb2fa3101578bb638719e4bc404d8e45727079dd552
[INFO] checking cicvedu/rust-arceos-py-Bob against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-py-Bob" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cicvedu/rust-arceos-py-Bob 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/cicvedu/rust-arceos-py-Bob
[INFO] finished tweaking git repo https://github.com/cicvedu/rust-arceos-py-Bob
[INFO] tweaked toml for git repo https://github.com/cicvedu/rust-arceos-py-Bob written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cicvedu/rust-arceos-py-Bob 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a04c47be51b57f7d9f398d5df118cd1e374a628cf030cd2b2c2a738c59382421
[INFO] running `Command { std: "docker" "start" "-a" "a04c47be51b57f7d9f398d5df118cd1e374a628cf030cd2b2c2a738c59382421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a04c47be51b57f7d9f398d5df118cd1e374a628cf030cd2b2c2a738c59382421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04c47be51b57f7d9f398d5df118cd1e374a628cf030cd2b2c2a738c59382421", kill_on_drop: false }`
[INFO] [stdout] a04c47be51b57f7d9f398d5df118cd1e374a628cf030cd2b2c2a738c59382421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1d83032c46360ae87b77aff35ebac1d72006ac70d2afcf23b325fc99524615d3
[INFO] running `Command { std: "docker" "start" "-a" "1d83032c46360ae87b77aff35ebac1d72006ac70d2afcf23b325fc99524615d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking arceos v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.39s
[INFO] running `Command { std: "docker" "inspect" "1d83032c46360ae87b77aff35ebac1d72006ac70d2afcf23b325fc99524615d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d83032c46360ae87b77aff35ebac1d72006ac70d2afcf23b325fc99524615d3", kill_on_drop: false }`
[INFO] [stdout] 1d83032c46360ae87b77aff35ebac1d72006ac70d2afcf23b325fc99524615d3