[INFO] cloning repository https://github.com/fbrega10/redisclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fbrega10/redisclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbrega10%2Fredisclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbrega10%2Fredisclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a62b766a1df81ff1580d8fa552b7c8d6dcfa7e54
[INFO] checking fbrega10/redisclient against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbrega10%2Fredisclient" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fbrega10/redisclient 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 git repo https://github.com/fbrega10/redisclient
[INFO] finished tweaking git repo https://github.com/fbrega10/redisclient
[INFO] tweaked toml for git repo https://github.com/fbrega10/redisclient written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fbrega10/redisclient 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc7c2c077b4e1bb50247fbf23d6b3fb79d0503812d783d96def35024b8ac43ee
[INFO] running `Command { std: "docker" "start" "-a" "dc7c2c077b4e1bb50247fbf23d6b3fb79d0503812d783d96def35024b8ac43ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7c2c077b4e1bb50247fbf23d6b3fb79d0503812d783d96def35024b8ac43ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7c2c077b4e1bb50247fbf23d6b3fb79d0503812d783d96def35024b8ac43ee", kill_on_drop: false }`
[INFO] [stdout] dc7c2c077b4e1bb50247fbf23d6b3fb79d0503812d783d96def35024b8ac43ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b2897b2a34bc83a04cc9341affb7f804f5fa69b5017fb6f70f3fec84957fbc52
[INFO] running `Command { std: "docker" "start" "-a" "b2897b2a34bc83a04cc9341affb7f804f5fa69b5017fb6f70f3fec84957fbc52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking redis v0.24.0
[INFO] [stderr]     Checking redisclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "b2897b2a34bc83a04cc9341affb7f804f5fa69b5017fb6f70f3fec84957fbc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2897b2a34bc83a04cc9341affb7f804f5fa69b5017fb6f70f3fec84957fbc52", kill_on_drop: false }`
[INFO] [stdout] b2897b2a34bc83a04cc9341affb7f804f5fa69b5017fb6f70f3fec84957fbc52
[INFO] checking fbrega10/redisclient against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffbrega10%2Fredisclient" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fbrega10/redisclient 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 git repo https://github.com/fbrega10/redisclient
[INFO] finished tweaking git repo https://github.com/fbrega10/redisclient
[INFO] tweaked toml for git repo https://github.com/fbrega10/redisclient written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fbrega10/redisclient 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1bc2da50ca7640a63d80b4b608c71c81afa3bd5f1f233ed23aaa054d4028a58f
[INFO] running `Command { std: "docker" "start" "-a" "1bc2da50ca7640a63d80b4b608c71c81afa3bd5f1f233ed23aaa054d4028a58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bc2da50ca7640a63d80b4b608c71c81afa3bd5f1f233ed23aaa054d4028a58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc2da50ca7640a63d80b4b608c71c81afa3bd5f1f233ed23aaa054d4028a58f", kill_on_drop: false }`
[INFO] [stdout] 1bc2da50ca7640a63d80b4b608c71c81afa3bd5f1f233ed23aaa054d4028a58f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 42b06422356e15bb16fa91fc2ce197b8ec42a7d7e8ad68df4739618fc446e1a4
[INFO] running `Command { std: "docker" "start" "-a" "42b06422356e15bb16fa91fc2ce197b8ec42a7d7e8ad68df4739618fc446e1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking redis v0.24.0
[INFO] [stdout] error[E0277]: the trait bound `!: FromRedisValue` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/redis-0.24.0/src/script.rs:150:37
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     self.load_cmd().query(con)?;
[INFO] [stdout]     |                                     ^^^^^ the trait `FromRedisValue` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `FromRedisValue`:
[INFO] [stdout]               ()
[INFO] [stdout]               (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)
[INFO] [stdout]               (T10, T11, T12)
[INFO] [stdout]               (T11, T12)
[INFO] [stdout]               (T12,)
[INFO] [stdout]               (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)
[INFO] [stdout]               (T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)
[INFO] [stdout]               (T4, T5, T6, T7, T8, T9, T10, T11, T12)
[INFO] [stdout]             and 43 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information)
[INFO] [stdout]     = help: did you intend to use the type `()` here instead?
[INFO] [stdout] note: required by a bound in `Cmd::query`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/redis-0.24.0/src/cmd.rs:419:21
[INFO] [stdout]     |
[INFO] [stdout] 419 |     pub fn query<T: FromRedisValue>(&self, con: &mut dyn ConnectionLike) -> RedisResult<T> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ required by this bound in `Cmd::query`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redis` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "42b06422356e15bb16fa91fc2ce197b8ec42a7d7e8ad68df4739618fc446e1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b06422356e15bb16fa91fc2ce197b8ec42a7d7e8ad68df4739618fc446e1a4", kill_on_drop: false }`
[INFO] [stdout] 42b06422356e15bb16fa91fc2ce197b8ec42a7d7e8ad68df4739618fc446e1a4