[INFO] cloning repository https://github.com/someguynamedmatt/redis_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/someguynamedmatt/redis_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomeguynamedmatt%2Fredis_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomeguynamedmatt%2Fredis_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 080a698f4accce374480a42d2f5a672e26f875c4
[INFO] checking someguynamedmatt/redis_rust against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomeguynamedmatt%2Fredis_rust" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/someguynamedmatt/redis_rust on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/someguynamedmatt/redis_rust
[INFO] finished tweaking git repo https://github.com/someguynamedmatt/redis_rust
[INFO] tweaked toml for git repo https://github.com/someguynamedmatt/redis_rust written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate git repo https://github.com/someguynamedmatt/redis_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redis v0.16.0
[INFO] [stderr]   Downloaded mobc v0.5.12
[INFO] [stderr]   Downloaded mobc-redis v0.5.4
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] [stderr]   Downloaded combine v4.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10b811dcabcf5a9b57985cf3c86cab17e63fd5d36bfc647177f252fd72a56a8a
[INFO] running `Command { std: "docker" "start" "-a" "10b811dcabcf5a9b57985cf3c86cab17e63fd5d36bfc647177f252fd72a56a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b811dcabcf5a9b57985cf3c86cab17e63fd5d36bfc647177f252fd72a56a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b811dcabcf5a9b57985cf3c86cab17e63fd5d36bfc647177f252fd72a56a8a", kill_on_drop: false }`
[INFO] [stdout] 10b811dcabcf5a9b57985cf3c86cab17e63fd5d36bfc647177f252fd72a56a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a05c759542ba2917080c55b0a5582552fc0cb9f5dce7ae085261a22dcf51bd4
[INFO] running `Command { std: "docker" "start" "-a" "7a05c759542ba2917080c55b0a5582552fc0cb9f5dce7ae085261a22dcf51bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
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[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
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[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.18
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking combine v4.4.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking mobc v0.5.12
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking redis v0.16.0
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking mobc-redis v0.5.4
[INFO] [stderr]     Checking redis_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.63s
[INFO] running `Command { std: "docker" "inspect" "7a05c759542ba2917080c55b0a5582552fc0cb9f5dce7ae085261a22dcf51bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a05c759542ba2917080c55b0a5582552fc0cb9f5dce7ae085261a22dcf51bd4", kill_on_drop: false }`
[INFO] [stdout] 7a05c759542ba2917080c55b0a5582552fc0cb9f5dce7ae085261a22dcf51bd4