[INFO] fetching crate string_wrapped 0.1.1... [INFO] building string_wrapped-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate string_wrapped 0.1.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate string_wrapped 0.1.1 [INFO] finished tweaking crates.io crate string_wrapped 0.1.1 [INFO] tweaked toml for crates.io crate string_wrapped 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate string_wrapped 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec948a2b337e2ff722a69e72cdf931f3f15cd6b1a613a60961804b0196d51442 [INFO] running `Command { std: "docker" "start" "-a" "ec948a2b337e2ff722a69e72cdf931f3f15cd6b1a613a60961804b0196d51442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec948a2b337e2ff722a69e72cdf931f3f15cd6b1a613a60961804b0196d51442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec948a2b337e2ff722a69e72cdf931f3f15cd6b1a613a60961804b0196d51442", kill_on_drop: false }` [INFO] [stdout] ec948a2b337e2ff722a69e72cdf931f3f15cd6b1a613a60961804b0196d51442 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cde4dd3132b6646424daed89a8f341fda84f0b553129ad2f00f597c9a0f54362 [INFO] running `Command { std: "docker" "start" "-a" "cde4dd3132b6646424daed89a8f341fda84f0b553129ad2f00f597c9a0f54362", kill_on_drop: false }` [INFO] [stderr] Compiling string_wrapped v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "cde4dd3132b6646424daed89a8f341fda84f0b553129ad2f00f597c9a0f54362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cde4dd3132b6646424daed89a8f341fda84f0b553129ad2f00f597c9a0f54362", kill_on_drop: false }` [INFO] [stdout] cde4dd3132b6646424daed89a8f341fda84f0b553129ad2f00f597c9a0f54362 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eff5a2a681574d2895b315c946d5109e1662297d3b784df0810b45997556fd4d [INFO] running `Command { std: "docker" "start" "-a" "eff5a2a681574d2895b315c946d5109e1662297d3b784df0810b45997556fd4d", kill_on_drop: false }` [INFO] [stderr] Compiling string_wrapped v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lib.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | StringWrapped(23) == StringWrapped(23); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 143 | let _ = StringWrapped(23) == StringWrapped(23); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lib.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | StringWrapped(23) < StringWrapped(23); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 148 | let _ = StringWrapped(23) < StringWrapped(23); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "eff5a2a681574d2895b315c946d5109e1662297d3b784df0810b45997556fd4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eff5a2a681574d2895b315c946d5109e1662297d3b784df0810b45997556fd4d", kill_on_drop: false }` [INFO] [stdout] eff5a2a681574d2895b315c946d5109e1662297d3b784df0810b45997556fd4d