[INFO] fetching crate rust_sm 0.1.7... [INFO] checking rust_sm-0.1.7 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322 [INFO] extracting crate rust_sm 0.1.7 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate rust_sm 0.1.7 on toolchain 3e826bb11228508fbe749e594038d6727208aa94 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_sm 0.1.7 [INFO] finished tweaking crates.io crate rust_sm 0.1.7 [INFO] tweaked toml for crates.io crate rust_sm 0.1.7 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate rust_sm 0.1.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86cb35ea8d4bff8eb523aeed21f9bea47e1c02ac9ee3997bef21077f01419da5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "86cb35ea8d4bff8eb523aeed21f9bea47e1c02ac9ee3997bef21077f01419da5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86cb35ea8d4bff8eb523aeed21f9bea47e1c02ac9ee3997bef21077f01419da5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86cb35ea8d4bff8eb523aeed21f9bea47e1c02ac9ee3997bef21077f01419da5", kill_on_drop: false }` [INFO] [stdout] 86cb35ea8d4bff8eb523aeed21f9bea47e1c02ac9ee3997bef21077f01419da5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7b12ca7f3b8c669ff1eca8c34d6eb73ad147c10be04387196003106b1f3b023b [INFO] running `Command { std: "docker" "start" "-a" "7b12ca7f3b8c669ff1eca8c34d6eb73ad147c10be04387196003106b1f3b023b", kill_on_drop: false }` [INFO] [stderr] Compiling dunce v1.0.1 [INFO] [stderr] Compiling libloading v0.6.3 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Compiling rust_sm v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> build.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: MESSAGE**********/opt/rustwide/workdir/gosm [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | cstatic::tools::hi(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 142 | cstatic::tools::hi(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | test(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | cstatic::tools::hi(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | test(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | cstatic::tools::hi(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "7b12ca7f3b8c669ff1eca8c34d6eb73ad147c10be04387196003106b1f3b023b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b12ca7f3b8c669ff1eca8c34d6eb73ad147c10be04387196003106b1f3b023b", kill_on_drop: false }` [INFO] [stdout] 7b12ca7f3b8c669ff1eca8c34d6eb73ad147c10be04387196003106b1f3b023b