[INFO] cloning repository https://github.com/Fronox/ds-seminar-rst [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fronox/ds-seminar-rst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFronox%2Fds-seminar-rst", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFronox%2Fds-seminar-rst'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f5523649e0f93139550fdd92b189172568ec40a [INFO] testing Fronox/ds-seminar-rst against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFronox%2Fds-seminar-rst" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Fronox/ds-seminar-rst 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 git repo https://github.com/Fronox/ds-seminar-rst [INFO] finished tweaking git repo https://github.com/Fronox/ds-seminar-rst [INFO] tweaked toml for git repo https://github.com/Fronox/ds-seminar-rst written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Fronox/ds-seminar-rst already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v0.2.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8a5c3f18548b90c112f21615718e198b7140d9674a640521d3c6a356823b9028 [INFO] running `Command { std: "docker" "start" "-a" "8a5c3f18548b90c112f21615718e198b7140d9674a640521d3c6a356823b9028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a5c3f18548b90c112f21615718e198b7140d9674a640521d3c6a356823b9028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a5c3f18548b90c112f21615718e198b7140d9674a640521d3c6a356823b9028", kill_on_drop: false }` [INFO] [stdout] 8a5c3f18548b90c112f21615718e198b7140d9674a640521d3c6a356823b9028 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b1740560b7d0b4dbbf3a09118f297cb469f0d8ffecb067f5cdcbf5e47d03cdd7 [INFO] running `Command { std: "docker" "start" "-a" "b1740560b7d0b4dbbf3a09118f297cb469f0d8ffecb067f5cdcbf5e47d03cdd7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling rstpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | test(10, len, thread_number); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.39s [INFO] running `Command { std: "docker" "inspect" "b1740560b7d0b4dbbf3a09118f297cb469f0d8ffecb067f5cdcbf5e47d03cdd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1740560b7d0b4dbbf3a09118f297cb469f0d8ffecb067f5cdcbf5e47d03cdd7", kill_on_drop: false }` [INFO] [stdout] b1740560b7d0b4dbbf3a09118f297cb469f0d8ffecb067f5cdcbf5e47d03cdd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] eb1c381507ce258d34efae5ce225979fec61886afdbe0afa3210ebde8b42f755 [INFO] running `Command { std: "docker" "start" "-a" "eb1c381507ce258d34efae5ce225979fec61886afdbe0afa3210ebde8b42f755", kill_on_drop: false }` [INFO] [stderr] Compiling rstpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> src/main.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let duration: Duration = start.elapsed(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | test(10, len, thread_number); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "eb1c381507ce258d34efae5ce225979fec61886afdbe0afa3210ebde8b42f755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb1c381507ce258d34efae5ce225979fec61886afdbe0afa3210ebde8b42f755", kill_on_drop: false }` [INFO] [stdout] eb1c381507ce258d34efae5ce225979fec61886afdbe0afa3210ebde8b42f755 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c52c1e6d1c019fd6988bd8eaaee840524c1230c13b73a9c4f2564a05a0ae3163 [INFO] running `Command { std: "docker" "start" "-a" "c52c1e6d1c019fd6988bd8eaaee840524c1230c13b73a9c4f2564a05a0ae3163", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | let duration: Duration = start.elapsed(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let duration: Duration = start.elapsed(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:119:5 [INFO] [stderr] | [INFO] [stderr] 119 | test(10, len, thread_number); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rstpr-63c4b9b241c5b216) [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" "c52c1e6d1c019fd6988bd8eaaee840524c1230c13b73a9c4f2564a05a0ae3163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c52c1e6d1c019fd6988bd8eaaee840524c1230c13b73a9c4f2564a05a0ae3163", kill_on_drop: false }` [INFO] [stdout] c52c1e6d1c019fd6988bd8eaaee840524c1230c13b73a9c4f2564a05a0ae3163