[INFO] fetching crate grad 0.1.0... [INFO] testing grad-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate grad 0.1.0 into /workspace/builds/worker-20/source [INFO] validating manifest of crates.io crate grad 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate grad 0.1.0 [INFO] finished tweaking crates.io crate grad 0.1.0 [INFO] tweaked toml for crates.io crate grad 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded urlencoding v1.3.3 [INFO] [stderr] Downloaded mime_guess v1.8.8 [INFO] [stderr] Downloaded headers-core v0.1.1 [INFO] [stderr] Downloaded headers v0.2.3 [INFO] [stderr] Downloaded multipart v0.16.1 [INFO] [stderr] Downloaded warp v0.1.23 [INFO] [stderr] Downloaded pretty_env_logger v0.2.5 [INFO] [stderr] Downloaded tungstenite v0.9.2 [INFO] [stderr] Downloaded input_buffer v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 619b011ddf8e0318de7a0ecf625be8692aad1681ddea98c6528633a37a5eec04 [INFO] running `Command { std: "docker" "start" "-a" "619b011ddf8e0318de7a0ecf625be8692aad1681ddea98c6528633a37a5eec04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "619b011ddf8e0318de7a0ecf625be8692aad1681ddea98c6528633a37a5eec04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "619b011ddf8e0318de7a0ecf625be8692aad1681ddea98c6528633a37a5eec04", kill_on_drop: false }` [INFO] [stdout] 619b011ddf8e0318de7a0ecf625be8692aad1681ddea98c6528633a37a5eec04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f080a17264336b0cda0d556c03fade617c357337f289b565f50d4b8607573b02 [INFO] running `Command { std: "docker" "start" "-a" "f080a17264336b0cda0d556c03fade617c357337f289b565f50d4b8607573b02", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling httparse v1.7.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling dtoa v0.4.8 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling urlencoding v1.3.3 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling twoway v0.1.8 [INFO] [stderr] Compiling buf_redux v0.8.4 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling pretty_env_logger v0.2.5 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling headers-core v0.1.1 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling tungstenite v0.9.2 [INFO] [stderr] Compiling headers v0.2.3 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling multipart v0.16.1 [INFO] [stderr] Compiling warp v0.1.23 [INFO] [stderr] Compiling grad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `warp::index`: renamed to warp::path::end [INFO] [stdout] --> src/main.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | let root = warp::index().map(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:3 [INFO] [stdout] | [INFO] [stdout] 54 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.34s [INFO] running `Command { std: "docker" "inspect" "f080a17264336b0cda0d556c03fade617c357337f289b565f50d4b8607573b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f080a17264336b0cda0d556c03fade617c357337f289b565f50d4b8607573b02", kill_on_drop: false }` [INFO] [stdout] f080a17264336b0cda0d556c03fade617c357337f289b565f50d4b8607573b02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10847bd8195bfb535d42bd758bfa0bcba660ddf775ef8a645d5b6615821b6eab [INFO] running `Command { std: "docker" "start" "-a" "10847bd8195bfb535d42bd758bfa0bcba660ddf775ef8a645d5b6615821b6eab", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling grad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `warp::index`: renamed to warp::path::end [INFO] [stdout] --> src/main.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | let root = warp::index().map(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:3 [INFO] [stdout] | [INFO] [stdout] 54 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "10847bd8195bfb535d42bd758bfa0bcba660ddf775ef8a645d5b6615821b6eab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10847bd8195bfb535d42bd758bfa0bcba660ddf775ef8a645d5b6615821b6eab", kill_on_drop: false }` [INFO] [stdout] 10847bd8195bfb535d42bd758bfa0bcba660ddf775ef8a645d5b6615821b6eab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cec256b01cf7c6ec4b39ac1b1ab3b1ecfba55202b6af1487872e7d98f2818703 [INFO] running `Command { std: "docker" "start" "-a" "cec256b01cf7c6ec4b39ac1b1ab3b1ecfba55202b6af1487872e7d98f2818703", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `warp::index`: renamed to warp::path::end [INFO] [stderr] --> src/main.rs:26:22 [INFO] [stderr] | [INFO] [stderr] 26 | let root = warp::index().map(|| { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:54:3 [INFO] [stderr] | [INFO] [stderr] 54 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:57:7 [INFO] [stderr] | [INFO] [stderr] 57 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `grad` (bin "grad" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/grad-bada1f3251b023df) [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" "cec256b01cf7c6ec4b39ac1b1ab3b1ecfba55202b6af1487872e7d98f2818703", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cec256b01cf7c6ec4b39ac1b1ab3b1ecfba55202b6af1487872e7d98f2818703", kill_on_drop: false }` [INFO] [stdout] cec256b01cf7c6ec4b39ac1b1ab3b1ecfba55202b6af1487872e7d98f2818703