[INFO] fetching crate covid19_uk_rs 1.1.1... [INFO] checking covid19_uk_rs-1.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate covid19_uk_rs 1.1.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate covid19_uk_rs 1.1.1 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 covid19_uk_rs 1.1.1 [INFO] finished tweaking crates.io crate covid19_uk_rs 1.1.1 [INFO] tweaked toml for crates.io crate covid19_uk_rs 1.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 150 packages [INFO] [stderr] Adding async-compression v0.3.15 (latest: v0.4.8) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding h2 v0.2.7 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.3.1 (latest: v1.0.0) [INFO] [stderr] Adding httpdate v0.3.2 (latest: v1.0.3) [INFO] [stderr] Adding hyper v0.13.10 (latest: v1.2.0) [INFO] [stderr] Adding hyper-tls v0.4.3 (latest: v0.6.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding reqwest v0.10.10 (latest: v0.12.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding sha1 v0.6.1 (latest: v0.10.6) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.6) [INFO] [stderr] Adding standback v0.2.17 (latest: v0.4.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding time v0.2.27 (latest: v0.3.34) [INFO] [stderr] Adding time-macros v0.1.1 (latest: v0.2.17) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.37.0) [INFO] [stderr] Adding tokio-util v0.3.1 (latest: v0.7.10) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winreg v0.7.0 (latest: v0.52.0) [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 time-macros v0.1.1 [INFO] [stderr] Downloaded time-macros-impl v0.1.2 [INFO] [stderr] Downloaded time v0.2.27 [INFO] [stderr] Downloaded discard v1.0.4 [INFO] [stderr] Downloaded const_fn v0.4.9 [INFO] [stderr] Downloaded stdweb-internal-macros v0.2.9 [INFO] [stderr] Downloaded stdweb v0.4.20 [INFO] [stderr] Downloaded stdweb-derive v0.5.3 [INFO] [stderr] Downloaded base-x v0.2.11 [INFO] [stderr] Downloaded stdweb-internal-runtime v0.1.5 [INFO] [stderr] Downloaded standback v0.2.17 [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] 208cdec0d0650c87fe14f4cfa251b7f1e1cbd8eab88c15fe32370c5fc4082d4c [INFO] running `Command { std: "docker" "start" "-a" "208cdec0d0650c87fe14f4cfa251b7f1e1cbd8eab88c15fe32370c5fc4082d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "208cdec0d0650c87fe14f4cfa251b7f1e1cbd8eab88c15fe32370c5fc4082d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "208cdec0d0650c87fe14f4cfa251b7f1e1cbd8eab88c15fe32370c5fc4082d4c", kill_on_drop: false }` [INFO] [stdout] 208cdec0d0650c87fe14f4cfa251b7f1e1cbd8eab88c15fe32370c5fc4082d4c [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] 8708f827493361f3ac1e2dcaa80041d963a089a4243cb0471ffd37fd10f4c968 [INFO] running `Command { std: "docker" "start" "-a" "8708f827493361f3ac1e2dcaa80041d963a089a4243cb0471ffd37fd10f4c968", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking async-compression v0.3.15 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking covid19_uk_rs v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/lib.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | i += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/lib.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | i += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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 30.95s [INFO] running `Command { std: "docker" "inspect" "8708f827493361f3ac1e2dcaa80041d963a089a4243cb0471ffd37fd10f4c968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8708f827493361f3ac1e2dcaa80041d963a089a4243cb0471ffd37fd10f4c968", kill_on_drop: false }` [INFO] [stdout] 8708f827493361f3ac1e2dcaa80041d963a089a4243cb0471ffd37fd10f4c968 [INFO] checking covid19_uk_rs-1.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate covid19_uk_rs 1.1.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate covid19_uk_rs 1.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate covid19_uk_rs 1.1.1 [INFO] finished tweaking crates.io crate covid19_uk_rs 1.1.1 [INFO] tweaked toml for crates.io crate covid19_uk_rs 1.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ddb2d3402457a1f865701cfcf1e6a609a712aff5b0ffa3d37fa305cb2552ba6 [INFO] running `Command { std: "docker" "start" "-a" "8ddb2d3402457a1f865701cfcf1e6a609a712aff5b0ffa3d37fa305cb2552ba6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ddb2d3402457a1f865701cfcf1e6a609a712aff5b0ffa3d37fa305cb2552ba6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ddb2d3402457a1f865701cfcf1e6a609a712aff5b0ffa3d37fa305cb2552ba6", kill_on_drop: false }` [INFO] [stdout] 8ddb2d3402457a1f865701cfcf1e6a609a712aff5b0ffa3d37fa305cb2552ba6 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62c94a819fa907cea1d52cc711018c2b3b25c1943966124d6daeff41de5549f0 [INFO] running `Command { std: "docker" "start" "-a" "62c94a819fa907cea1d52cc711018c2b3b25c1943966124d6daeff41de5549f0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Checking async-compression v0.3.15 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking covid19_uk_rs v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/lib.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | i += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `reqwest` is imported redundantly [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use reqwest; [INFO] [stdout] | ^^^^^^^ the item `reqwest` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `i` is never read [INFO] [stdout] --> src/lib.rs:317:17 [INFO] [stdout] | [INFO] [stdout] 317 | i += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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 39.88s [INFO] running `Command { std: "docker" "inspect" "62c94a819fa907cea1d52cc711018c2b3b25c1943966124d6daeff41de5549f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62c94a819fa907cea1d52cc711018c2b3b25c1943966124d6daeff41de5549f0", kill_on_drop: false }` [INFO] [stdout] 62c94a819fa907cea1d52cc711018c2b3b25c1943966124d6daeff41de5549f0