[INFO] fetching crate mles-client 1.1.7...
[INFO] checking mles-client-1.1.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mles-client 1.1.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mles-client 1.1.7 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 mles-client 1.1.7
[INFO] finished tweaking crates.io crate mles-client 1.1.7
[INFO] tweaked toml for crates.io crate mles-client 1.1.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mles-client 1.1.7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.6.1
[INFO] [stderr]   Downloaded mles-utils v1.1.6
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.3.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.6.0
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 245ed13c133d4e44e6f57548d9bb6919ab0c0bcc64a4c71d5c180f79f96a3d8b
[INFO] running `Command { std: "docker" "start" "-a" "245ed13c133d4e44e6f57548d9bb6919ab0c0bcc64a4c71d5c180f79f96a3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "245ed13c133d4e44e6f57548d9bb6919ab0c0bcc64a4c71d5c180f79f96a3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245ed13c133d4e44e6f57548d9bb6919ab0c0bcc64a4c71d5c180f79f96a3d8b", kill_on_drop: false }`
[INFO] [stdout] 245ed13c133d4e44e6f57548d9bb6919ab0c0bcc64a4c71d5c180f79f96a3d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2f7da81eec23343729305d25731d63ba44407e6d8807d3b6844118439f87fc00
[INFO] running `Command { std: "docker" "start" "-a" "2f7da81eec23343729305d25731d63ba44407e6d8807d3b6844118439f87fc00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking mles-utils v1.1.6
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]     Checking mles-client v1.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.56s
[INFO] running `Command { std: "docker" "inspect" "2f7da81eec23343729305d25731d63ba44407e6d8807d3b6844118439f87fc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7da81eec23343729305d25731d63ba44407e6d8807d3b6844118439f87fc00", kill_on_drop: false }`
[INFO] [stdout] 2f7da81eec23343729305d25731d63ba44407e6d8807d3b6844118439f87fc00
[INFO] checking mles-client-1.1.7 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate mles-client 1.1.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mles-client 1.1.7 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 mles-client 1.1.7
[INFO] finished tweaking crates.io crate mles-client 1.1.7
[INFO] tweaked toml for crates.io crate mles-client 1.1.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mles-client 1.1.7 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c3cdaba67e4f37b0f80872eaa3a2377ca82663fbcdf4c2d1d53383a8bcfedc69
[INFO] running `Command { std: "docker" "start" "-a" "c3cdaba67e4f37b0f80872eaa3a2377ca82663fbcdf4c2d1d53383a8bcfedc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3cdaba67e4f37b0f80872eaa3a2377ca82663fbcdf4c2d1d53383a8bcfedc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cdaba67e4f37b0f80872eaa3a2377ca82663fbcdf4c2d1d53383a8bcfedc69", kill_on_drop: false }`
[INFO] [stdout] c3cdaba67e4f37b0f80872eaa3a2377ca82663fbcdf4c2d1d53383a8bcfedc69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0e6580cf5c0df3f9501eb1909838e0efd9a439b7d943429abd9528222f5e9a95
[INFO] running `Command { std: "docker" "start" "-a" "0e6580cf5c0df3f9501eb1909838e0efd9a439b7d943429abd9528222f5e9a95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking mles-utils v1.1.6
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]     Checking mles-client v1.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.65s
[INFO] running `Command { std: "docker" "inspect" "0e6580cf5c0df3f9501eb1909838e0efd9a439b7d943429abd9528222f5e9a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6580cf5c0df3f9501eb1909838e0efd9a439b7d943429abd9528222f5e9a95", kill_on_drop: false }`
[INFO] [stdout] 0e6580cf5c0df3f9501eb1909838e0efd9a439b7d943429abd9528222f5e9a95