[INFO] fetching crate opentelemetry_api 0.1.0...
[INFO] testing opentelemetry_api-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate opentelemetry_api 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate opentelemetry_api 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de1e452488a1596563c03c65a06b5a56293722d75993a4e93e1c60186d9fd55d
[INFO] running `Command { std: "docker" "start" "-a" "de1e452488a1596563c03c65a06b5a56293722d75993a4e93e1c60186d9fd55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de1e452488a1596563c03c65a06b5a56293722d75993a4e93e1c60186d9fd55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1e452488a1596563c03c65a06b5a56293722d75993a4e93e1c60186d9fd55d", kill_on_drop: false }`
[INFO] [stdout] de1e452488a1596563c03c65a06b5a56293722d75993a4e93e1c60186d9fd55d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ff4b0cc3fdbba03cdb4b40d5dbc13e2ae22f2f7ec41ba4947daf7bcbca2f1c9
[INFO] running `Command { std: "docker" "start" "-a" "2ff4b0cc3fdbba03cdb4b40d5dbc13e2ae22f2f7ec41ba4947daf7bcbca2f1c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[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_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 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentelemetry_api`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2ff4b0cc3fdbba03cdb4b40d5dbc13e2ae22f2f7ec41ba4947daf7bcbca2f1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff4b0cc3fdbba03cdb4b40d5dbc13e2ae22f2f7ec41ba4947daf7bcbca2f1c9", kill_on_drop: false }`
[INFO] [stdout] 2ff4b0cc3fdbba03cdb4b40d5dbc13e2ae22f2f7ec41ba4947daf7bcbca2f1c9