[INFO] cloning repository https://github.com/shotaro427/rust-redis-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shotaro427/rust-redis-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotaro427%2Frust-redis-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotaro427%2Frust-redis-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a0a2f776dd1b072adaefd88639564ab96861074
[INFO] checking shotaro427/rust-redis-sample against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotaro427%2Frust-redis-sample" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shotaro427/rust-redis-sample 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/shotaro427/rust-redis-sample
[INFO] finished tweaking git repo https://github.com/shotaro427/rust-redis-sample
[INFO] tweaked toml for git repo https://github.com/shotaro427/rust-redis-sample written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shotaro427/rust-redis-sample 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.6.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.70
[INFO] [stderr]   Downloaded redis v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 91ca0e6b1b91a506e8eeb5d7cf610da587120f601017aa7ad2f90861f4a78547
[INFO] running `Command { std: "docker" "start" "-a" "91ca0e6b1b91a506e8eeb5d7cf610da587120f601017aa7ad2f90861f4a78547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91ca0e6b1b91a506e8eeb5d7cf610da587120f601017aa7ad2f90861f4a78547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ca0e6b1b91a506e8eeb5d7cf610da587120f601017aa7ad2f90861f4a78547", kill_on_drop: false }`
[INFO] [stdout] 91ca0e6b1b91a506e8eeb5d7cf610da587120f601017aa7ad2f90861f4a78547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 60ebd6d7953e16b35aebe411361a4386c8e9d1949ce528868e4a1843ca406f05
[INFO] running `Command { std: "docker" "start" "-a" "60ebd6d7953e16b35aebe411361a4386c8e9d1949ce528868e4a1843ca406f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking redis v0.19.0
[INFO] [stderr]     Checking redis-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.19.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "60ebd6d7953e16b35aebe411361a4386c8e9d1949ce528868e4a1843ca406f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ebd6d7953e16b35aebe411361a4386c8e9d1949ce528868e4a1843ca406f05", kill_on_drop: false }`
[INFO] [stdout] 60ebd6d7953e16b35aebe411361a4386c8e9d1949ce528868e4a1843ca406f05
[INFO] checking shotaro427/rust-redis-sample against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshotaro427%2Frust-redis-sample" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shotaro427/rust-redis-sample 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/shotaro427/rust-redis-sample
[INFO] finished tweaking git repo https://github.com/shotaro427/rust-redis-sample
[INFO] tweaked toml for git repo https://github.com/shotaro427/rust-redis-sample written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shotaro427/rust-redis-sample 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d87f325661137b226f1f55cc78f7d8a8d21430c2c900ec74d2f6d797b44ecbb6
[INFO] running `Command { std: "docker" "start" "-a" "d87f325661137b226f1f55cc78f7d8a8d21430c2c900ec74d2f6d797b44ecbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d87f325661137b226f1f55cc78f7d8a8d21430c2c900ec74d2f6d797b44ecbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87f325661137b226f1f55cc78f7d8a8d21430c2c900ec74d2f6d797b44ecbb6", kill_on_drop: false }`
[INFO] [stdout] d87f325661137b226f1f55cc78f7d8a8d21430c2c900ec74d2f6d797b44ecbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a3c4d676c8c37936a328b3870f7920e4911465857fa5c35c2a1c0919d9ecebb0
[INFO] running `Command { std: "docker" "start" "-a" "a3c4d676c8c37936a328b3870f7920e4911465857fa5c35c2a1c0919d9ecebb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking redis v0.19.0
[INFO] [stdout] error[E0277]: the trait bound `!: FromRedisValue` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/redis-0.19.0/src/script.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   .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 40 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-0.19.0/src/cmd.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 |     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; 97 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a3c4d676c8c37936a328b3870f7920e4911465857fa5c35c2a1c0919d9ecebb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c4d676c8c37936a328b3870f7920e4911465857fa5c35c2a1c0919d9ecebb0", kill_on_drop: false }`
[INFO] [stdout] a3c4d676c8c37936a328b3870f7920e4911465857fa5c35c2a1c0919d9ecebb0