[INFO] fetching crate micro_types 0.2.3... [INFO] checking micro_types-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate micro_types 0.2.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate micro_types 0.2.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0775b6d82fcfe085e94b3cdefcce8cce5c3abecbd9468e9d7afed1834e7180a1 [INFO] running `Command { std: "docker" "start" "-a" "0775b6d82fcfe085e94b3cdefcce8cce5c3abecbd9468e9d7afed1834e7180a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0775b6d82fcfe085e94b3cdefcce8cce5c3abecbd9468e9d7afed1834e7180a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0775b6d82fcfe085e94b3cdefcce8cce5c3abecbd9468e9d7afed1834e7180a1", kill_on_drop: false }` [INFO] [stdout] 0775b6d82fcfe085e94b3cdefcce8cce5c3abecbd9468e9d7afed1834e7180a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c37edfbd50229d5d45a3495a3623201811c2fe6f3964b4974fefa9c7ece6735b [INFO] running `Command { std: "docker" "start" "-a" "c37edfbd50229d5d45a3495a3623201811c2fe6f3964b4974fefa9c7ece6735b", 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] Compiling serde_json v1.0.107 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking ryu v1.0.15 [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] Compiling quote v1.0.33 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Compiling syn v2.0.38 [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: 2 warnings emitted [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s [INFO] running `Command { std: "docker" "inspect" "c37edfbd50229d5d45a3495a3623201811c2fe6f3964b4974fefa9c7ece6735b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c37edfbd50229d5d45a3495a3623201811c2fe6f3964b4974fefa9c7ece6735b", kill_on_drop: false }` [INFO] [stdout] c37edfbd50229d5d45a3495a3623201811c2fe6f3964b4974fefa9c7ece6735b