[INFO] fetching crate tokio_kcp 0.9.6...
[INFO] checking tokio_kcp-0.9.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate tokio_kcp 0.9.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tokio_kcp 0.9.6 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 crates.io crate tokio_kcp 0.9.6
[INFO] finished tweaking crates.io crate tokio_kcp 0.9.6
[INFO] tweaked toml for crates.io crate tokio_kcp 0.9.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio_kcp 0.9.6 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.3
[INFO] [stderr]   Downloaded byte_string v1.0.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.3
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.3
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.3
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.3
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.3
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.3
[INFO] [stderr]   Downloaded kcp v0.5.3
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.3
[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] fc01060a626642414e08465ac29ce7f4f3c34b737de959e339b8de991899a2dc
[INFO] running `Command { std: "docker" "start" "-a" "fc01060a626642414e08465ac29ce7f4f3c34b737de959e339b8de991899a2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc01060a626642414e08465ac29ce7f4f3c34b737de959e339b8de991899a2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc01060a626642414e08465ac29ce7f4f3c34b737de959e339b8de991899a2dc", kill_on_drop: false }`
[INFO] [stdout] fc01060a626642414e08465ac29ce7f4f3c34b737de959e339b8de991899a2dc
[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] b34e5a9ef9499e0e9438560dd73bae2d16b84f3609233a33e2bdc34dd06a46e7
[INFO] running `Command { std: "docker" "start" "-a" "b34e5a9ef9499e0e9438560dd73bae2d16b84f3609233a33e2bdc34dd06a46e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[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 slab v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking kcp v0.5.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio_kcp v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `Command { std: "docker" "inspect" "b34e5a9ef9499e0e9438560dd73bae2d16b84f3609233a33e2bdc34dd06a46e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34e5a9ef9499e0e9438560dd73bae2d16b84f3609233a33e2bdc34dd06a46e7", kill_on_drop: false }`
[INFO] [stdout] b34e5a9ef9499e0e9438560dd73bae2d16b84f3609233a33e2bdc34dd06a46e7
[INFO] checking tokio_kcp-0.9.6 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate tokio_kcp 0.9.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tokio_kcp 0.9.6 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 crates.io crate tokio_kcp 0.9.6
[INFO] finished tweaking crates.io crate tokio_kcp 0.9.6
[INFO] tweaked toml for crates.io crate tokio_kcp 0.9.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tokio_kcp 0.9.6 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-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] 520e1ee18bc0a2c3c09ecb01da1d36fbe6f4cd55d4feaff2847f121f8e4469a8
[INFO] running `Command { std: "docker" "start" "-a" "520e1ee18bc0a2c3c09ecb01da1d36fbe6f4cd55d4feaff2847f121f8e4469a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "520e1ee18bc0a2c3c09ecb01da1d36fbe6f4cd55d4feaff2847f121f8e4469a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520e1ee18bc0a2c3c09ecb01da1d36fbe6f4cd55d4feaff2847f121f8e4469a8", kill_on_drop: false }`
[INFO] [stdout] 520e1ee18bc0a2c3c09ecb01da1d36fbe6f4cd55d4feaff2847f121f8e4469a8
[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] a48833c35ecbd53879093a3a5ad4f6eae88ac7b3fb3b7585b7493b2bd189104b
[INFO] running `Command { std: "docker" "start" "-a" "a48833c35ecbd53879093a3a5ad4f6eae88ac7b3fb3b7585b7493b2bd189104b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[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 syn v2.0.29
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking kcp v0.5.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio_kcp v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.74s
[INFO] running `Command { std: "docker" "inspect" "a48833c35ecbd53879093a3a5ad4f6eae88ac7b3fb3b7585b7493b2bd189104b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48833c35ecbd53879093a3a5ad4f6eae88ac7b3fb3b7585b7493b2bd189104b", kill_on_drop: false }`
[INFO] [stdout] a48833c35ecbd53879093a3a5ad4f6eae88ac7b3fb3b7585b7493b2bd189104b