[INFO] fetching crate coronavirus 0.1.2... [INFO] testing coronavirus-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate coronavirus 0.1.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate coronavirus 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1f035c0bed1b8a3f7816ba98a99aa87e45e8a5e63f7f6a88d46e32b5f805781 [INFO] running `Command { std: "docker" "start" "-a" "f1f035c0bed1b8a3f7816ba98a99aa87e45e8a5e63f7f6a88d46e32b5f805781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1f035c0bed1b8a3f7816ba98a99aa87e45e8a5e63f7f6a88d46e32b5f805781", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1f035c0bed1b8a3f7816ba98a99aa87e45e8a5e63f7f6a88d46e32b5f805781", kill_on_drop: false }` [INFO] [stdout] f1f035c0bed1b8a3f7816ba98a99aa87e45e8a5e63f7f6a88d46e32b5f805781 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f29bd1f559e028beeb7977eb5c8f7161f6e7245f507df29e802d9028eed4b15c [INFO] running `Command { std: "docker" "start" "-a" "f29bd1f559e028beeb7977eb5c8f7161f6e7245f507df29e802d9028eed4b15c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling curl v0.4.38 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling curl-sys v0.4.44+curl-7.77.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.16 [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 13.28s [INFO] running `Command { std: "docker" "inspect" "f29bd1f559e028beeb7977eb5c8f7161f6e7245f507df29e802d9028eed4b15c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f29bd1f559e028beeb7977eb5c8f7161f6e7245f507df29e802d9028eed4b15c", kill_on_drop: false }` [INFO] [stdout] f29bd1f559e028beeb7977eb5c8f7161f6e7245f507df29e802d9028eed4b15c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e2157836d1f600c4ef6d9120572553100e40b33c85d3ebd2c62d9d4566b9749 [INFO] running `Command { std: "docker" "start" "-a" "1e2157836d1f600c4ef6d9120572553100e40b33c85d3ebd2c62d9d4566b9749", 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.57s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1e2157836d1f600c4ef6d9120572553100e40b33c85d3ebd2c62d9d4566b9749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e2157836d1f600c4ef6d9120572553100e40b33c85d3ebd2c62d9d4566b9749", kill_on_drop: false }` [INFO] [stdout] 1e2157836d1f600c4ef6d9120572553100e40b33c85d3ebd2c62d9d4566b9749 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f8a526a25ca8dfe54f191a3b4bdc6de4c6333603ff90c6e2911d70444a08c84 [INFO] running `Command { std: "docker" "start" "-a" "2f8a526a25ca8dfe54f191a3b4bdc6de4c6333603ff90c6e2911d70444a08c84", 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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/coronavirus-840eb7c359109b89) [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" "2f8a526a25ca8dfe54f191a3b4bdc6de4c6333603ff90c6e2911d70444a08c84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f8a526a25ca8dfe54f191a3b4bdc6de4c6333603ff90c6e2911d70444a08c84", kill_on_drop: false }` [INFO] [stdout] 2f8a526a25ca8dfe54f191a3b4bdc6de4c6333603ff90c6e2911d70444a08c84