[INFO] fetching crate opentracing-rs-core 0.1.0... [INFO] checking opentracing-rs-core-0.1.0 against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197 [INFO] extracting crate opentracing-rs-core 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate opentracing-rs-core 0.1.0 on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate opentracing-rs-core 0.1.0 [INFO] finished tweaking crates.io crate opentracing-rs-core 0.1.0 [INFO] tweaked toml for crates.io crate opentracing-rs-core 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 413d723bbd3607931fca0550b489014891ea53f8052385ff5e9d234418ec58f6 [INFO] running `Command { std: "docker" "start" "-a" "413d723bbd3607931fca0550b489014891ea53f8052385ff5e9d234418ec58f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "413d723bbd3607931fca0550b489014891ea53f8052385ff5e9d234418ec58f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "413d723bbd3607931fca0550b489014891ea53f8052385ff5e9d234418ec58f6", kill_on_drop: false }` [INFO] [stdout] 413d723bbd3607931fca0550b489014891ea53f8052385ff5e9d234418ec58f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f034bea366ca02a17c93f153003a4fd69d3c9c6ad517b0523f09d566b8c509eb [INFO] running `Command { std: "docker" "start" "-a" "f034bea366ca02a17c93f153003a4fd69d3c9c6ad517b0523f09d566b8c509eb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking opentracing-rs-core v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `start_time` and `references` are never read [INFO] [stdout] --> src/span.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 109 | struct Inner [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | start_time: SystemTime, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | references: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key` and `value` are never read [INFO] [stdout] --> src/span.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct BaggageItem { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 147 | key: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 148 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BaggageItem` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/tag.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Tag { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 3 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | value: TagValue, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tag` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start_time` and `references` are never read [INFO] [stdout] --> src/span.rs:115:5 [INFO] [stdout] | [INFO] [stdout] 109 | struct Inner [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 115 | start_time: SystemTime, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | references: Vec>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `Inner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key` and `value` are never read [INFO] [stdout] --> src/span.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct BaggageItem { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 147 | key: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 148 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BaggageItem` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/tag.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Tag { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 3 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | value: TagValue, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tag` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.42s [INFO] running `Command { std: "docker" "inspect" "f034bea366ca02a17c93f153003a4fd69d3c9c6ad517b0523f09d566b8c509eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f034bea366ca02a17c93f153003a4fd69d3c9c6ad517b0523f09d566b8c509eb", kill_on_drop: false }` [INFO] [stdout] f034bea366ca02a17c93f153003a4fd69d3c9c6ad517b0523f09d566b8c509eb