[INFO] fetching crate opentelemetry_api 0.1.0... [INFO] testing opentelemetry_api-0.1.0 against 1.59.0 for beta-1.60-1 [INFO] extracting crate opentelemetry_api 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate opentelemetry_api 0.1.0 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate opentelemetry_api 0.1.0 [INFO] finished tweaking crates.io crate opentelemetry_api 0.1.0 [INFO] tweaked toml for crates.io crate opentelemetry_api 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca26125c2bbd76a1d3de62d9085bc6fedf96620bbaca67c1ca54d74a30c4cc58 [INFO] running `Command { std: "docker" "start" "-a" "ca26125c2bbd76a1d3de62d9085bc6fedf96620bbaca67c1ca54d74a30c4cc58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca26125c2bbd76a1d3de62d9085bc6fedf96620bbaca67c1ca54d74a30c4cc58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca26125c2bbd76a1d3de62d9085bc6fedf96620bbaca67c1ca54d74a30c4cc58", kill_on_drop: false }` [INFO] [stdout] ca26125c2bbd76a1d3de62d9085bc6fedf96620bbaca67c1ca54d74a30c4cc58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea7847c3b66e98f669ad827e7335e904d20d22a9e6b644476904813ab8118222 [INFO] running `Command { std: "docker" "start" "-a" "ea7847c3b66e98f669ad827e7335e904d20d22a9e6b644476904813ab8118222", 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 rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.8 [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 rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [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 opentelemetry_api v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/trace/tracer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: patterns aren't allowed in functions without bodies [INFO] [stdout] --> src/context/mod.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | fn close(mut self); [INFO] [stdout] | ^^^^^^^^ help: remove `mut` from the parameter: `self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(patterns_in_fns_without_body)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #35203 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `measurements` [INFO] [stdout] --> src/metric/meter.rs:177:29 [INFO] [stdout] | [INFO] [stdout] 177 | fn record(&mut self, measurements: I) where I: IntoIterator { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/metric/measure.rs:92:31 [INFO] [stdout] | [INFO] [stdout] 92 | fn double_measurement<'a>(value: f64) -> Self::Measurement { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/metric/measure.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | fn long_measurement<'a>(value: i64) -> Self::Measurement { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/metric/measure.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 100 | fn build(builder: MeasureBuilder) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/metric/measure.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn build(mut self) -> Result { [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/trace/trace_state.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [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/trace/trace_state.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/trace/trace_state.rs:120:51 [INFO] [stdout] | [INFO] [stdout] 120 | }), "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 120 | }), "{}", "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stdout] --> src/trace/span.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait Span: Drop { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(drop_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stdout] --> src/context/mod.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Scope: Drop { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.77s [INFO] running `Command { std: "docker" "inspect" "ea7847c3b66e98f669ad827e7335e904d20d22a9e6b644476904813ab8118222", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea7847c3b66e98f669ad827e7335e904d20d22a9e6b644476904813ab8118222", kill_on_drop: false }` [INFO] [stdout] ea7847c3b66e98f669ad827e7335e904d20d22a9e6b644476904813ab8118222 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 748249ec1292dc1cbab91677a6a07e34a26e94b2d3c76310a4ba4960f49c0ff5 [INFO] running `Command { std: "docker" "start" "-a" "748249ec1292dc1cbab91677a6a07e34a26e94b2d3c76310a4ba4960f49c0ff5", kill_on_drop: false }` [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/trace/tracer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: patterns aren't allowed in functions without bodies [INFO] [stdout] --> src/context/mod.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | fn close(mut self); [INFO] [stdout] | ^^^^^^^^ help: remove `mut` from the parameter: `self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(patterns_in_fns_without_body)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #35203 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `measurements` [INFO] [stdout] --> src/metric/meter.rs:177:29 [INFO] [stdout] | [INFO] [stdout] 177 | fn record(&mut self, measurements: I) where I: IntoIterator { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/metric/measure.rs:92:31 [INFO] [stdout] | [INFO] [stdout] 92 | fn double_measurement<'a>(value: f64) -> Self::Measurement { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/metric/measure.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | fn long_measurement<'a>(value: i64) -> Self::Measurement { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/metric/measure.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 100 | fn build(builder: MeasureBuilder) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/metric/measure.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn build(mut self) -> Result { [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/trace/trace_state.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [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/trace/trace_state.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/trace/trace_state.rs:120:51 [INFO] [stdout] | [INFO] [stdout] 120 | }), "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 120 | }), "{}", "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stdout] --> src/trace/span.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait Span: Drop { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(drop_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stdout] --> src/context/mod.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Scope: Drop { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling proptest v0.9.6 [INFO] [stderr] Compiling opentelemetry_api v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Cow` [INFO] [stdout] --> src/trace/tracer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: patterns aren't allowed in functions without bodies [INFO] [stdout] --> src/context/mod.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | fn close(mut self); [INFO] [stdout] | ^^^^^^^^ help: remove `mut` from the parameter: `self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(patterns_in_fns_without_body)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #35203 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `measurements` [INFO] [stdout] --> src/metric/meter.rs:177:29 [INFO] [stdout] | [INFO] [stdout] 177 | fn record(&mut self, measurements: I) where I: IntoIterator { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/metric/measure.rs:92:31 [INFO] [stdout] | [INFO] [stdout] 92 | fn double_measurement<'a>(value: f64) -> Self::Measurement { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/metric/measure.rs:96:29 [INFO] [stdout] | [INFO] [stdout] 96 | fn long_measurement<'a>(value: i64) -> Self::Measurement { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `builder` [INFO] [stdout] --> src/metric/measure.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 100 | fn build(builder: MeasureBuilder) -> Result where Self: Sized { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `counter` [INFO] [stdout] --> src/metric/meter.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | let counter = m.counter_long("test").build().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/metric/measure.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn build(mut self) -> Result { [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/trace/trace_state.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [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/trace/trace_state.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/trace/trace_state.rs:120:51 [INFO] [stdout] | [INFO] [stdout] 120 | }), "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 120 | }), "{}", "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stdout] --> src/trace/span.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | pub trait Span: Drop { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(drop_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stdout] --> src/context/mod.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Scope: Drop { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.03s [INFO] running `Command { std: "docker" "inspect" "748249ec1292dc1cbab91677a6a07e34a26e94b2d3c76310a4ba4960f49c0ff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "748249ec1292dc1cbab91677a6a07e34a26e94b2d3c76310a4ba4960f49c0ff5", kill_on_drop: false }` [INFO] [stdout] 748249ec1292dc1cbab91677a6a07e34a26e94b2d3c76310a4ba4960f49c0ff5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f64dad346a3cc0cfd051bdb9ab358e083fa984ef0738b9ddab51d274d01a30e7 [INFO] running `Command { std: "docker" "start" "-a" "f64dad346a3cc0cfd051bdb9ab358e083fa984ef0738b9ddab51d274d01a30e7", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::borrow::Cow` [INFO] [stdout] running 21 tests [INFO] [stderr] --> src/trace/tracer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::Cow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: patterns aren't allowed in functions without bodies [INFO] [stderr] --> src/context/mod.rs:2:14 [INFO] [stderr] | [INFO] [stderr] 2 | fn close(mut self); [INFO] [stderr] | ^^^^^^^^ help: remove `mut` from the parameter: `self` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(patterns_in_fns_without_body)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #35203 [INFO] [stderr] [INFO] [stderr] warning: unused variable: `measurements` [INFO] [stderr] --> src/metric/meter.rs:177:29 [INFO] [stderr] | [INFO] [stderr] 177 | fn record(&mut self, measurements: I) where I: IntoIterator { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/metric/measure.rs:92:31 [INFO] [stderr] | [INFO] [stderr] 92 | fn double_measurement<'a>(value: f64) -> Self::Measurement { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/metric/measure.rs:96:29 [INFO] [stderr] | [INFO] [stderr] 96 | fn long_measurement<'a>(value: i64) -> Self::Measurement { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `builder` [INFO] [stderr] --> src/metric/measure.rs:100:14 [INFO] [stderr] | [INFO] [stderr] 100 | fn build(builder: MeasureBuilder) -> Result where Self: Sized { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builder` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/metric/measure.rs:78:18 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn build(mut self) -> Result { [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/trace/trace_state.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/trace/trace_state.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | let mut entries = self.entries.get_or_insert(self.parent.map_or(vec![], |x| x.entries.clone())); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: panic message contains braces [INFO] [stderr] --> src/trace/trace_state.rs:120:51 [INFO] [stderr] | [INFO] [stderr] 120 | }), "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stderr] help: add a "{}" format string to use the message literally [INFO] [stderr] | [INFO] [stderr] 120 | }), "{}", "Key cannot contain characters outside of {'a'-'z', '0'-'9', _, -, *, / }"); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stderr] --> src/trace/span.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | pub trait Span: Drop { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(drop_bounds)]` on by default [INFO] [stderr] [INFO] [stderr] warning: bounds on `Self: Drop` are most likely incorrect, consider instead using `std::mem::needs_drop` to detect whether a type can be trivially dropped [INFO] [stderr] --> src/context/mod.rs:1:18 [INFO] [stderr] | [INFO] [stderr] 1 | pub trait Scope: Drop { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `opentelemetry_api` (lib) generated 12 warnings [INFO] [stderr] warning: unused variable: `counter` [INFO] [stderr] --> src/metric/meter.rs:189:13 [INFO] [stderr] | [INFO] [stderr] 189 | let counter = m.counter_long("test").build().unwrap(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stderr] [INFO] [stderr] warning: `opentelemetry_api` (lib test) generated 13 warnings (12 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/opentelemetry_api-ea80282ce24f2b1f) [INFO] [stdout] test metric::meter::tests::test_noops ... ok [INFO] [stdout] test resource::tests::test_create_macro ... ok [INFO] [stdout] test resource::tests::test_create ... ok [INFO] [stdout] test metric::test::test_x ... ok [INFO] [stdout] test trace::attribute_value::tests::test_str_from ... ok [INFO] [stdout] test resource::tests::test_labels ... ok [INFO] [stdout] test resource::tests::test_merge_resources ... ok [INFO] [stdout] test trace::trace_state::test::test_validate_value_incorrect_alphabets - should panic ... ok [INFO] [stdout] test trace::trace_state::test::test_validate_key_incorrect_alphabet - should panic ... ok [INFO] [stdout] test distributedcontext::entry::tests::test_invalid_entry_key - should panic ... ok [INFO] [stdout] test internal::tests::test_internal_validate_str - should panic ... ok [INFO] [stdout] test trace::trace_state::test::test_validate_value_correct_alphabet ... ok [INFO] [stdout] test trace::trace_state::test::test_validate_key_correct_alphabet ... ok [INFO] [stdout] test resource::tests::test_invalud_resource_value_ascii - should panic ... ok [INFO] [stdout] test resource::tests::test_invalid_resource_key_ascii - should panic ... ok [INFO] [stdout] test distributedcontext::entry::tests::test_invalid_entry_key_len - should panic ... ok [INFO] [stdout] test internal::tests::test_internal_validate_str_len - should panic ... ok [INFO] [stdout] test trace::trace_state::test::test_validate_key_alphabets_too_long - should panic ... ok [INFO] [stdout] test resource::tests::test_invalud_resource_value_len - should panic ... ok [INFO] [stdout] test resource::tests::test_invalid_resource_key_len - should panic ... ok [INFO] [stdout] test trace::trace_state::test::test_validate_value_alphabets_too_long - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.64s [INFO] [stdout] [INFO] [stderr] Doc-tests opentelemetry_api [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/metric/meter.rs - metric::meter::Meter (line 45) ... ok [INFO] [stdout] test src/metric/meter.rs - metric::meter::Meter (line 23) ... ok [INFO] [stdout] test src/metric/meter.rs - metric::meter::Meter (line 78) ... ok [INFO] [stdout] test src/resource.rs - resource::resource (line 109) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f64dad346a3cc0cfd051bdb9ab358e083fa984ef0738b9ddab51d274d01a30e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64dad346a3cc0cfd051bdb9ab358e083fa984ef0738b9ddab51d274d01a30e7", kill_on_drop: false }` [INFO] [stdout] f64dad346a3cc0cfd051bdb9ab358e083fa984ef0738b9ddab51d274d01a30e7