[INFO] cloning repository https://github.com/Geal/grad [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geal/grad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fgrad", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fgrad'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 995c8051062e924283d41bf79c65aa244c376a22 [INFO] checking Geal/grad against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fgrad" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Geal/grad on toolchain 2e5723137b2b88368d018b262a0a823a1423131b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Geal/grad [INFO] finished tweaking git repo https://github.com/Geal/grad [INFO] tweaked toml for git repo https://github.com/Geal/grad written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Geal/grad already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc50073898dd2556a9105920237cfe201c3d23dd23f48742201a34301506f344 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fc50073898dd2556a9105920237cfe201c3d23dd23f48742201a34301506f344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc50073898dd2556a9105920237cfe201c3d23dd23f48742201a34301506f344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc50073898dd2556a9105920237cfe201c3d23dd23f48742201a34301506f344", kill_on_drop: false }` [INFO] [stdout] fc50073898dd2556a9105920237cfe201c3d23dd23f48742201a34301506f344 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 06c58c202ff3943da49c9c871d362fdb1961827244441f3e891e7e5330ad7e2a [INFO] running `Command { std: "docker" "start" "-a" "06c58c202ff3943da49c9c871d362fdb1961827244441f3e891e7e5330ad7e2a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.75 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling regex v1.0.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking indexmap v1.0.1 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf-8 v0.7.4 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking termcolor v1.0.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking log v0.4.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking base64 v0.9.2 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking nom v4.0.0 [INFO] [stderr] Checking digest v0.7.5 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking sha-1 v0.7.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking http v0.1.10 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mime v0.3.9 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking tokio-executor v0.1.4 [INFO] [stderr] Checking tokio-io v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking parking_lot v0.6.3 [INFO] [stderr] Checking tokio-timer v0.2.6 [INFO] [stderr] Checking tokio-current-thread v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.6 [INFO] [stderr] Checking tokio-threadpool v0.1.6 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking tokio-reactor v0.1.4 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-uds v0.2.1 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio v0.1.8 [INFO] [stderr] Checking tungstenite v0.6.0 [INFO] [stderr] Checking h2 v0.1.12 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling serde_derive v1.0.75 [INFO] [stderr] Checking pretty_env_logger v0.2.4 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Checking hyper v0.12.8 [INFO] [stderr] Checking warp v0.1.2 [INFO] [stderr] Checking grad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Response`, `StatusCode` [INFO] [stdout] --> src/main.rs:19:18 [INFO] [stdout] | [INFO] [stdout] 19 | use warp::http::{Response,StatusCode}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | warp::serve(routes).run((server)); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Response`, `StatusCode` [INFO] [stdout] --> src/main.rs:19:18 [INFO] [stdout] | [INFO] [stdout] 19 | use warp::http::{Response,StatusCode}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | warp::serve(routes).run((server)); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/metrics/mod.rs:44:15 [INFO] [stdout] | [INFO] [stdout] 44 | let mut agg = SumAggregator::from( [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/metrics/mod.rs:61:15 [INFO] [stdout] | [INFO] [stdout] 61 | let mut agg = MeanAggregator::from( [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/metrics/mod.rs:44:15 [INFO] [stdout] | [INFO] [stdout] 44 | let mut agg = SumAggregator::from( [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/metrics/mod.rs:61:15 [INFO] [stdout] | [INFO] [stdout] 61 | let mut agg = MeanAggregator::from( [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from` [INFO] [stdout] --> src/metrics/mod.rs:177:10 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn from(iterator: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `send_test` [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn send_test() -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from` [INFO] [stdout] --> src/metrics/mod.rs:177:10 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn from(iterator: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `send_test` [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn send_test() -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:125:3 [INFO] [stdout] | [INFO] [stdout] 125 | 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:128:7 [INFO] [stdout] | [INFO] [stdout] 128 | 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:125:3 [INFO] [stdout] | [INFO] [stdout] 125 | 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:128:7 [INFO] [stdout] | [INFO] [stdout] 128 | 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 130 | 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 34s [INFO] running `Command { std: "docker" "inspect" "06c58c202ff3943da49c9c871d362fdb1961827244441f3e891e7e5330ad7e2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06c58c202ff3943da49c9c871d362fdb1961827244441f3e891e7e5330ad7e2a", kill_on_drop: false }` [INFO] [stdout] 06c58c202ff3943da49c9c871d362fdb1961827244441f3e891e7e5330ad7e2a