[INFO] cloning repository https://github.com/schicks/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/schicks/redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschicks%2Fredis-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschicks%2Fredis-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff26cec6abdcde926231e1527e6631771c1b7f09 [INFO] checking schicks/redis-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschicks%2Fredis-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/schicks/redis-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/schicks/redis-rust [INFO] finished tweaking git repo https://github.com/schicks/redis-rust [INFO] tweaked toml for git repo https://github.com/schicks/redis-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/schicks/redis-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3b819dd085808cb7cde7e2ce4faaa0076c35f8ff5084ecc6df824bad0b3b6d2 [INFO] running `Command { std: "docker" "start" "-a" "a3b819dd085808cb7cde7e2ce4faaa0076c35f8ff5084ecc6df824bad0b3b6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3b819dd085808cb7cde7e2ce4faaa0076c35f8ff5084ecc6df824bad0b3b6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3b819dd085808cb7cde7e2ce4faaa0076c35f8ff5084ecc6df824bad0b3b6d2", kill_on_drop: false }` [INFO] [stdout] a3b819dd085808cb7cde7e2ce4faaa0076c35f8ff5084ecc6df824bad0b3b6d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 846e8c849f24f134849d6dbd395196717508caa60df0babe7df50d4c2758c08a [INFO] running `Command { std: "docker" "start" "-a" "846e8c849f24f134849d6dbd395196717508caa60df0babe7df50d4c2758c08a", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking ruddis v0.1.0 (/opt/rustwide/workdir) [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] Checking wait-timeout v0.2.0 [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:74:14 [INFO] [stdout] | [INFO] [stdout] 74 | .flatten() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `Flattenable::flatten(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(result_flattening)]` to the crate attributes to enable `Result::, E>::flatten` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.5 [INFO] [stderr] Compiling proptest-derive v0.1.2 [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:74:14 [INFO] [stdout] | [INFO] [stdout] 74 | .flatten() [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `Flattenable::flatten(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(result_flattening)]` to the crate attributes to enable `Result::, E>::flatten` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.64s [INFO] running `Command { std: "docker" "inspect" "846e8c849f24f134849d6dbd395196717508caa60df0babe7df50d4c2758c08a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "846e8c849f24f134849d6dbd395196717508caa60df0babe7df50d4c2758c08a", kill_on_drop: false }` [INFO] [stdout] 846e8c849f24f134849d6dbd395196717508caa60df0babe7df50d4c2758c08a