[INFO] fetching crate micro_types 0.2.3... [INFO] checking micro_types-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate micro_types 0.2.3 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate micro_types 0.2.3 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 crates.io crate micro_types 0.2.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate micro_types 0.2.3 [INFO] tweaked toml for crates.io crate micro_types 0.2.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate micro_types 0.2.3 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3fad9476ab7ced4e4f89a0e405b8af459eab167793762e6708e9449abdd76997 [INFO] running `Command { std: "docker" "start" "-a" "3fad9476ab7ced4e4f89a0e405b8af459eab167793762e6708e9449abdd76997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fad9476ab7ced4e4f89a0e405b8af459eab167793762e6708e9449abdd76997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fad9476ab7ced4e4f89a0e405b8af459eab167793762e6708e9449abdd76997", kill_on_drop: false }` [INFO] [stdout] 3fad9476ab7ced4e4f89a0e405b8af459eab167793762e6708e9449abdd76997 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 922cbb657381f1c004cf351ca604fd8d2d952f4debb0703eddb86c0a36e0ff45 [INFO] running `Command { std: "docker" "start" "-a" "922cbb657381f1c004cf351ca604fd8d2d952f4debb0703eddb86c0a36e0ff45", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking combine v4.6.6 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking redis v0.23.3 [INFO] [stderr] Checking micro_types v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::redis::Generic` [INFO] [stdout] --> src/redis/list.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::redis::Generic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::redis::Generic` [INFO] [stdout] --> src/redis/list.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::redis::Generic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `conn` is never read [INFO] [stdout] --> src/redis/rwlock/lock.rs:78:16 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct RwLock { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 77 | pub(crate) data: Generic, [INFO] [stdout] 78 | pub(crate) conn: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `conn` is never read [INFO] [stdout] --> src/redis/rwlock/lock.rs:78:16 [INFO] [stdout] | [INFO] [stdout] 76 | pub struct RwLock { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 77 | pub(crate) data: Generic, [INFO] [stdout] 78 | pub(crate) conn: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.77s [INFO] running `Command { std: "docker" "inspect" "922cbb657381f1c004cf351ca604fd8d2d952f4debb0703eddb86c0a36e0ff45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922cbb657381f1c004cf351ca604fd8d2d952f4debb0703eddb86c0a36e0ff45", kill_on_drop: false }` [INFO] [stdout] 922cbb657381f1c004cf351ca604fd8d2d952f4debb0703eddb86c0a36e0ff45 [INFO] checking micro_types-0.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate micro_types 0.2.3 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate micro_types 0.2.3 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 crates.io crate micro_types 0.2.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate micro_types 0.2.3 [INFO] tweaked toml for crates.io crate micro_types 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate micro_types 0.2.3 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 639a13cec3abaa5e7a1341c5ac77d9c9d2809bca70ca5c06bbf03fa440613be5 [INFO] running `Command { std: "docker" "start" "-a" "639a13cec3abaa5e7a1341c5ac77d9c9d2809bca70ca5c06bbf03fa440613be5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "639a13cec3abaa5e7a1341c5ac77d9c9d2809bca70ca5c06bbf03fa440613be5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "639a13cec3abaa5e7a1341c5ac77d9c9d2809bca70ca5c06bbf03fa440613be5", kill_on_drop: false }` [INFO] [stdout] 639a13cec3abaa5e7a1341c5ac77d9c9d2809bca70ca5c06bbf03fa440613be5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5f438f2c097efa0a8db3355cf8f977f94a1b689e91902a32c0ebc90fcfe3f250 [INFO] running `Command { std: "docker" "start" "-a" "5f438f2c097efa0a8db3355cf8f977f94a1b689e91902a32c0ebc90fcfe3f250", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Checking combine v4.6.6 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Checking redis v0.23.3 [INFO] [stdout] error[E0277]: the trait bound `!: FromRedisValue` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/redis-0.23.3/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 41 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #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-0.23.3/src/cmd.rs:419:21 [INFO] [stdout] | [INFO] [stdout] 419 | pub fn query(&self, con: &mut dyn ConnectionLike) -> RedisResult { [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" "5f438f2c097efa0a8db3355cf8f977f94a1b689e91902a32c0ebc90fcfe3f250", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f438f2c097efa0a8db3355cf8f977f94a1b689e91902a32c0ebc90fcfe3f250", kill_on_drop: false }` [INFO] [stdout] 5f438f2c097efa0a8db3355cf8f977f94a1b689e91902a32c0ebc90fcfe3f250