[INFO] fetching crate coronavirus 0.1.2... [INFO] testing coronavirus-0.1.2 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate coronavirus 0.1.2 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate coronavirus 0.1.2 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate coronavirus 0.1.2 [INFO] finished tweaking crates.io crate coronavirus 0.1.2 [INFO] tweaked toml for crates.io crate coronavirus 0.1.2 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex-automata v0.1.10 [INFO] [stderr] Downloaded csv-core v0.1.10 [INFO] [stderr] Downloaded socket2 v0.4.1 [INFO] [stderr] Downloaded bstr v0.2.16 [INFO] [stderr] Downloaded csv v1.1.6 [INFO] [stderr] Downloaded libz-sys v1.1.3 [INFO] [stderr] Downloaded openssl-sys v0.9.66 [INFO] [stderr] Downloaded curl-sys v0.4.45+curl-7.78.0 [INFO] [stderr] Downloaded vcpkg v0.2.15 [INFO] [stderr] Downloaded curl v0.4.38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f96f1ffe67592dfefcac20888c179dbcdb7323e282f84f4d771880e917fa2c1 [INFO] running `Command { std: "docker" "start" "-a" "5f96f1ffe67592dfefcac20888c179dbcdb7323e282f84f4d771880e917fa2c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f96f1ffe67592dfefcac20888c179dbcdb7323e282f84f4d771880e917fa2c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f96f1ffe67592dfefcac20888c179dbcdb7323e282f84f4d771880e917fa2c1", kill_on_drop: false }` [INFO] [stdout] 5f96f1ffe67592dfefcac20888c179dbcdb7323e282f84f4d771880e917fa2c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95d980a658f1148810d51cab3f1298de65c1f8f829f701d0bc5878f2e27590c3 [INFO] running `Command { std: "docker" "start" "-a" "95d980a658f1148810d51cab3f1298de65c1f8f829f701d0bc5878f2e27590c3", kill_on_drop: false }` [INFO] [stderr] Compiling curl v0.4.38 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling curl-sys v0.4.45+curl-7.78.0 [INFO] [stderr] Compiling openssl-sys v0.9.66 [INFO] [stderr] Compiling coronavirus v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | let mut vec: Arc>> = Arc::new(Mutex::new(Vec::new())); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | let mut c_vec = vec.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.91s [INFO] running `Command { std: "docker" "inspect" "95d980a658f1148810d51cab3f1298de65c1f8f829f701d0bc5878f2e27590c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95d980a658f1148810d51cab3f1298de65c1f8f829f701d0bc5878f2e27590c3", kill_on_drop: false }` [INFO] [stdout] 95d980a658f1148810d51cab3f1298de65c1f8f829f701d0bc5878f2e27590c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee95075e600877ef0d9fa4d06a538cba13d36828da39b04bd923d113ec91e8f4 [INFO] running `Command { std: "docker" "start" "-a" "ee95075e600877ef0d9fa4d06a538cba13d36828da39b04bd923d113ec91e8f4", kill_on_drop: false }` [INFO] [stderr] Compiling coronavirus v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | let mut vec: Arc>> = Arc::new(Mutex::new(Vec::new())); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | let mut c_vec = vec.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "ee95075e600877ef0d9fa4d06a538cba13d36828da39b04bd923d113ec91e8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee95075e600877ef0d9fa4d06a538cba13d36828da39b04bd923d113ec91e8f4", kill_on_drop: false }` [INFO] [stdout] ee95075e600877ef0d9fa4d06a538cba13d36828da39b04bd923d113ec91e8f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 14a9fe306bfbeb1cf07dc429456a11cebc8ace31d59ce44b32b808001e631473 [INFO] running `Command { std: "docker" "start" "-a" "14a9fe306bfbeb1cf07dc429456a11cebc8ace31d59ce44b32b808001e631473", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:13:6 [INFO] [stderr] | [INFO] [stderr] 13 | let mut vec: Arc>> = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:6 [INFO] [stderr] | [INFO] [stderr] 14 | let mut c_vec = vec.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `coronavirus` (bin "coronavirus" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/coronavirus-37a0163424743166) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "14a9fe306bfbeb1cf07dc429456a11cebc8ace31d59ce44b32b808001e631473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14a9fe306bfbeb1cf07dc429456a11cebc8ace31d59ce44b32b808001e631473", kill_on_drop: false }` [INFO] [stdout] 14a9fe306bfbeb1cf07dc429456a11cebc8ace31d59ce44b32b808001e631473