[INFO] fetching crate async-memcached 0.1.7...
[INFO] checking async-memcached-0.1.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate async-memcached 0.1.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate async-memcached 0.1.7 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 async-memcached 0.1.7
[INFO] finished tweaking crates.io crate async-memcached 0.1.7
[INFO] tweaked toml for crates.io crate async-memcached 0.1.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-memcached 0.1.7 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 pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded tokio-macros v2.1.0
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded socket2 v0.5.4
[INFO] [stderr]   Downloaded async-stream-impl v0.3.5
[INFO] [stderr]   Downloaded dsn v1.0.2
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded futures-core v0.3.28
[INFO] [stderr]   Downloaded redox_syscall v0.3.5
[INFO] [stderr]   Downloaded btoi v0.4.3
[INFO] [stderr]   Downloaded async-stream v0.3.5
[INFO] [stderr]   Downloaded num-traits v0.2.16
[INFO] [stderr]   Downloaded futures-util v0.3.28
[INFO] [stderr]   Downloaded minimal-lexical v0.2.1
[INFO] [stderr]   Downloaded gimli v0.28.0
[INFO] [stderr]   Downloaded object v0.32.1
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] [stderr]   Downloaded tokio v1.32.0
[INFO] [stderr]   Downloaded nom v7.1.3
[INFO] [stderr]   Downloaded pin-project v1.1.3
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded cc v1.0.83
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded backtrace v0.3.69
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded mio v0.8.8
[INFO] [stderr]   Downloaded syn v2.0.37
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded pin-project-internal v1.1.3
[INFO] [stderr]   Downloaded miniz_oxide v0.7.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.8
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded percent-encoding v2.3.0
[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded futures-io v0.3.28
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded futures-sink v0.3.28
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded lock_api v0.4.10
[INFO] [stderr]   Downloaded smallvec v1.11.0
[INFO] [stderr]   Downloaded futures-task v0.3.28
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.2
[INFO] [stderr]   Downloaded autocfg v1.1.0
[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] 632f451eddcef271b50b2c3885952e6ac7ac648b7ce4d4bcd2d1d962b888767a
[INFO] running `Command { std: "docker" "start" "-a" "632f451eddcef271b50b2c3885952e6ac7ac648b7ce4d4bcd2d1d962b888767a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632f451eddcef271b50b2c3885952e6ac7ac648b7ce4d4bcd2d1d962b888767a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632f451eddcef271b50b2c3885952e6ac7ac648b7ce4d4bcd2d1d962b888767a", kill_on_drop: false }`
[INFO] [stdout] 632f451eddcef271b50b2c3885952e6ac7ac648b7ce4d4bcd2d1d962b888767a
[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] 61e3c68cbc07edd9e239dfbbd69338d22637f9299180fd21d6b92975cb1cff89
[INFO] running `Command { std: "docker" "start" "-a" "61e3c68cbc07edd9e239dfbbd69338d22637f9299180fd21d6b92975cb1cff89", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking dsn v1.0.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking async-memcached v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "61e3c68cbc07edd9e239dfbbd69338d22637f9299180fd21d6b92975cb1cff89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e3c68cbc07edd9e239dfbbd69338d22637f9299180fd21d6b92975cb1cff89", kill_on_drop: false }`
[INFO] [stdout] 61e3c68cbc07edd9e239dfbbd69338d22637f9299180fd21d6b92975cb1cff89
[INFO] checking async-memcached-0.1.7 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate async-memcached 0.1.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate async-memcached 0.1.7 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 async-memcached 0.1.7
[INFO] finished tweaking crates.io crate async-memcached 0.1.7
[INFO] tweaked toml for crates.io crate async-memcached 0.1.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate async-memcached 0.1.7 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] 6ae6be952662b61f6fef09c73489da6238b59170a304840d09572e9614a50b1d
[INFO] running `Command { std: "docker" "start" "-a" "6ae6be952662b61f6fef09c73489da6238b59170a304840d09572e9614a50b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae6be952662b61f6fef09c73489da6238b59170a304840d09572e9614a50b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae6be952662b61f6fef09c73489da6238b59170a304840d09572e9614a50b1d", kill_on_drop: false }`
[INFO] [stdout] 6ae6be952662b61f6fef09c73489da6238b59170a304840d09572e9614a50b1d
[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] 5661775295cc3080b8cb6c2c035a1226e9acbc261760fbcd7396c8e57817087c
[INFO] running `Command { std: "docker" "start" "-a" "5661775295cc3080b8cb6c2c035a1226e9acbc261760fbcd7396c8e57817087c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking dsn v1.0.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking async-memcached v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "5661775295cc3080b8cb6c2c035a1226e9acbc261760fbcd7396c8e57817087c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5661775295cc3080b8cb6c2c035a1226e9acbc261760fbcd7396c8e57817087c", kill_on_drop: false }`
[INFO] [stdout] 5661775295cc3080b8cb6c2c035a1226e9acbc261760fbcd7396c8e57817087c