[INFO] fetching crate opentelemetry 0.21.0...
[INFO] checking opentelemetry-0.21.0 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate opentelemetry 0.21.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate opentelemetry 0.21.0 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry 0.21.0
[INFO] finished tweaking crates.io crate opentelemetry 0.21.0
[INFO] tweaked toml for crates.io crate opentelemetry 0.21.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v2.1.3
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.92
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.92
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]   Downloaded bumpalo v3.15.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.92
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acc459372f7245a7f2e1a6fb5d5d32365e9ea7e7211f07057685249017f10dc9
[INFO] running `Command { std: "docker" "start" "-a" "acc459372f7245a7f2e1a6fb5d5d32365e9ea7e7211f07057685249017f10dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acc459372f7245a7f2e1a6fb5d5d32365e9ea7e7211f07057685249017f10dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc459372f7245a7f2e1a6fb5d5d32365e9ea7e7211f07057685249017f10dc9", kill_on_drop: false }`
[INFO] [stdout] acc459372f7245a7f2e1a6fb5d5d32365e9ea7e7211f07057685249017f10dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df0b7f1d542c766bab6520d2125757e6b9d0df902633d2a19a8984135b35443
[INFO] running `Command { std: "docker" "start" "-a" "1df0b7f1d542c766bab6520d2125757e6b9d0df902633d2a19a8984135b35443", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking opentelemetry v0.21.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]    --> src/baggage.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  | use std::iter::FromIterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `FromIterator` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     unused
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/order_map.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `FromIterator` is imported redundantly
[INFO] [stdout]    --> src/baggage.rs:21:5
[INFO] [stdout]     |
[INFO] [stdout] 21  | use std::iter::FromIterator;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `FromIterator` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/order_map.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `HashMap` is imported redundantly
[INFO] [stdout]    --> src/propagation/mod.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashMap` is already imported here
[INFO] [stdout] 207 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentelemetry` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1df0b7f1d542c766bab6520d2125757e6b9d0df902633d2a19a8984135b35443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df0b7f1d542c766bab6520d2125757e6b9d0df902633d2a19a8984135b35443", kill_on_drop: false }`
[INFO] [stdout] 1df0b7f1d542c766bab6520d2125757e6b9d0df902633d2a19a8984135b35443