[INFO] fetching crate opentelemetry_api 0.1.0... [INFO] testing opentelemetry_api-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate opentelemetry_api 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate opentelemetry_api 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d27750cddacb992c8955f4c521ba36639c2a3ed9a277db50a3ff6a3b2e4b57b4 [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" "d27750cddacb992c8955f4c521ba36639c2a3ed9a277db50a3ff6a3b2e4b57b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d27750cddacb992c8955f4c521ba36639c2a3ed9a277db50a3ff6a3b2e4b57b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d27750cddacb992c8955f4c521ba36639c2a3ed9a277db50a3ff6a3b2e4b57b4", kill_on_drop: false }` [INFO] [stdout] d27750cddacb992c8955f4c521ba36639c2a3ed9a277db50a3ff6a3b2e4b57b4 [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c16d5ee8c86f42789a8e7a878186def5eebea7f9af25b6def7777beb094b13f [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" "1c16d5ee8c86f42789a8e7a878186def5eebea7f9af25b6def7777beb094b13f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [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] error: 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: `#[deny(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] error: aborting due to previous error; 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `opentelemetry_api` due to 2 previous errors; 11 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1c16d5ee8c86f42789a8e7a878186def5eebea7f9af25b6def7777beb094b13f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c16d5ee8c86f42789a8e7a878186def5eebea7f9af25b6def7777beb094b13f", kill_on_drop: false }` [INFO] [stdout] 1c16d5ee8c86f42789a8e7a878186def5eebea7f9af25b6def7777beb094b13f