[INFO] fetching crate coronavirus 0.1.2... [INFO] testing coronavirus-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate coronavirus 0.1.2 into /workspace/builds/worker-51/source [INFO] validating manifest of crates.io crate coronavirus 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-51/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4479cca70e828802ecd3b4a1a6b7ceaa155a68fedd21a101d2edff6b0f17ea8d [INFO] running `Command { std: "docker" "start" "-a" "4479cca70e828802ecd3b4a1a6b7ceaa155a68fedd21a101d2edff6b0f17ea8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4479cca70e828802ecd3b4a1a6b7ceaa155a68fedd21a101d2edff6b0f17ea8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4479cca70e828802ecd3b4a1a6b7ceaa155a68fedd21a101d2edff6b0f17ea8d", kill_on_drop: false }` [INFO] [stdout] 4479cca70e828802ecd3b4a1a6b7ceaa155a68fedd21a101d2edff6b0f17ea8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4527257cf0bd9ae11e94d275933e53d4314b261f2d0b9913ac971645886a597 [INFO] running `Command { std: "docker" "start" "-a" "a4527257cf0bd9ae11e94d275933e53d4314b261f2d0b9913ac971645886a597", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling curl v0.4.41 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.71 [INFO] [stderr] Compiling curl-sys v0.4.51+curl-7.80.0 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv v1.1.6 [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 14.58s [INFO] running `Command { std: "docker" "inspect" "a4527257cf0bd9ae11e94d275933e53d4314b261f2d0b9913ac971645886a597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4527257cf0bd9ae11e94d275933e53d4314b261f2d0b9913ac971645886a597", kill_on_drop: false }` [INFO] [stdout] a4527257cf0bd9ae11e94d275933e53d4314b261f2d0b9913ac971645886a597 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a8e3d866514ad9bbdc16701c0a7d257318a9e00de0d65d1d86b79713d413a58 [INFO] running `Command { std: "docker" "start" "-a" "7a8e3d866514ad9bbdc16701c0a7d257318a9e00de0d65d1d86b79713d413a58", 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 0.65s [INFO] running `Command { std: "docker" "inspect" "7a8e3d866514ad9bbdc16701c0a7d257318a9e00de0d65d1d86b79713d413a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a8e3d866514ad9bbdc16701c0a7d257318a9e00de0d65d1d86b79713d413a58", kill_on_drop: false }` [INFO] [stdout] 7a8e3d866514ad9bbdc16701c0a7d257318a9e00de0d65d1d86b79713d413a58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aed2086256b40b740f5f2dfe3acead1fd346c2919f7f2d9ddde9de2dcaae7bcd [INFO] running `Command { std: "docker" "start" "-a" "aed2086256b40b740f5f2dfe3acead1fd346c2919f7f2d9ddde9de2dcaae7bcd", 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 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/coronavirus-102f7469134f5ac9) [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" "aed2086256b40b740f5f2dfe3acead1fd346c2919f7f2d9ddde9de2dcaae7bcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aed2086256b40b740f5f2dfe3acead1fd346c2919f7f2d9ddde9de2dcaae7bcd", kill_on_drop: false }` [INFO] [stdout] aed2086256b40b740f5f2dfe3acead1fd346c2919f7f2d9ddde9de2dcaae7bcd