[INFO] cloning repository https://github.com/cesare/rust-redis-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cesare/rust-redis-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-redis-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-redis-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9bb02ac0406cdf1709a2afe91097b07d7d3acab
[INFO] checking cesare/rust-redis-experiments against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-redis-experiments" "/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/cesare/rust-redis-experiments on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cesare/rust-redis-experiments
[INFO] finished tweaking git repo https://github.com/cesare/rust-redis-experiments
[INFO] tweaked toml for git repo https://github.com/cesare/rust-redis-experiments written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cesare/rust-redis-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70036a4dfd3afacb8163325e14052372226a4ca7cc6aa12e735b808399ec99e2
[INFO] running `Command { std: "docker" "start" "-a" "70036a4dfd3afacb8163325e14052372226a4ca7cc6aa12e735b808399ec99e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70036a4dfd3afacb8163325e14052372226a4ca7cc6aa12e735b808399ec99e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70036a4dfd3afacb8163325e14052372226a4ca7cc6aa12e735b808399ec99e2", kill_on_drop: false }`
[INFO] [stdout] 70036a4dfd3afacb8163325e14052372226a4ca7cc6aa12e735b808399ec99e2
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f35eaf7634e158a0958b908a5c5ff1c7900e021af50c5046a0e8b984ae42e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "29f35eaf7634e158a0958b908a5c5ff1c7900e021af50c5046a0e8b984ae42e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking redis v0.19.0
[INFO] [stderr]     Checking redis-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "29f35eaf7634e158a0958b908a5c5ff1c7900e021af50c5046a0e8b984ae42e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f35eaf7634e158a0958b908a5c5ff1c7900e021af50c5046a0e8b984ae42e0", kill_on_drop: false }`
[INFO] [stdout] 29f35eaf7634e158a0958b908a5c5ff1c7900e021af50c5046a0e8b984ae42e0