[INFO] cloning repository https://github.com/thecodesmithy/simple-rust-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thecodesmithy/simple-rust-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecodesmithy%2Fsimple-rust-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecodesmithy%2Fsimple-rust-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3908f3378ad780068e030bbebb17cf7e1cca6c53
[INFO] checking thecodesmithy/simple-rust-redis against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecodesmithy%2Fsimple-rust-redis" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thecodesmithy/simple-rust-redis
[INFO] finished tweaking git repo https://github.com/thecodesmithy/simple-rust-redis
[INFO] tweaked toml for git repo https://github.com/thecodesmithy/simple-rust-redis written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thecodesmithy/simple-rust-redis on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thecodesmithy/simple-rust-redis 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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 combine v4.6.3
[INFO] [stderr]   Downloaded redis v0.21.5
[INFO] [stderr]   Downloaded async-trait v0.1.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 773e56659c9e80c8f46ebfa4d8d9155d1924c7d75623be9af8850baf36100243
[INFO] running `Command { std: "docker" "start" "-a" "773e56659c9e80c8f46ebfa4d8d9155d1924c7d75623be9af8850baf36100243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "773e56659c9e80c8f46ebfa4d8d9155d1924c7d75623be9af8850baf36100243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773e56659c9e80c8f46ebfa4d8d9155d1924c7d75623be9af8850baf36100243", kill_on_drop: false }`
[INFO] [stdout] 773e56659c9e80c8f46ebfa4d8d9155d1924c7d75623be9af8850baf36100243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6645f7b3911b0a977a397919c6217a143c1f551a68243aa95a9c4c00f18da3
[INFO] running `Command { std: "docker" "start" "-a" "ff6645f7b3911b0a977a397919c6217a143c1f551a68243aa95a9c4c00f18da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking combine v4.6.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking redis v0.21.5
[INFO] [stderr]     Checking mahrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.21.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "ff6645f7b3911b0a977a397919c6217a143c1f551a68243aa95a9c4c00f18da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6645f7b3911b0a977a397919c6217a143c1f551a68243aa95a9c4c00f18da3", kill_on_drop: false }`
[INFO] [stdout] ff6645f7b3911b0a977a397919c6217a143c1f551a68243aa95a9c4c00f18da3