[INFO] cloning repository https://github.com/adelbertc/tracing-element [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adelbertc/tracing-element" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelbertc%2Ftracing-element", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelbertc%2Ftracing-element'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6744f222cd52208bb27916a0e12775470bc5579 [INFO] checking adelbertc/tracing-element against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadelbertc%2Ftracing-element" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adelbertc/tracing-element on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/adelbertc/tracing-element [INFO] finished tweaking git repo https://github.com/adelbertc/tracing-element [INFO] tweaked toml for git repo https://github.com/adelbertc/tracing-element written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/adelbertc/tracing-element already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.3.1 [INFO] [stderr] Downloaded bytes v0.6.0 [INFO] [stderr] Downloaded mio v0.7.5 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55b3979fd8a8fee2c3bd03ff30a8deda949915cf7291427c73869bfce6dccb03 [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" "55b3979fd8a8fee2c3bd03ff30a8deda949915cf7291427c73869bfce6dccb03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55b3979fd8a8fee2c3bd03ff30a8deda949915cf7291427c73869bfce6dccb03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55b3979fd8a8fee2c3bd03ff30a8deda949915cf7291427c73869bfce6dccb03", kill_on_drop: false }` [INFO] [stdout] 55b3979fd8a8fee2c3bd03ff30a8deda949915cf7291427c73869bfce6dccb03 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33445fb70f6765744326b014e9347f2ab7e7aac95268b89d4a03e4f44227028f [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" "33445fb70f6765744326b014e9347f2ab7e7aac95268b89d4a03e4f44227028f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking sharded-slab v0.1.0 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v0.3.3 [INFO] [stderr] Checking mio v0.7.5 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling pin-project-internal v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling tokio-macros v0.3.1 [INFO] [stderr] Checking tracing v0.1.21 [INFO] [stderr] Checking pin-project v1.0.1 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking serde_json v1.0.59 [INFO] [stderr] Checking tracing-subscriber v0.2.15 [INFO] [stderr] Checking rustay v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `span` [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn span(&self) -> Span { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `span` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | span: OwningHandle>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `span` [INFO] [stdout] --> src/main.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn span(&self) -> Span { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `span` [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn span(&self) -> Span { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `span` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | span: OwningHandle>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `span` [INFO] [stdout] --> src/main.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn span(&self) -> Span { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 20s [INFO] running `Command { std: "docker" "inspect" "33445fb70f6765744326b014e9347f2ab7e7aac95268b89d4a03e4f44227028f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33445fb70f6765744326b014e9347f2ab7e7aac95268b89d4a03e4f44227028f", kill_on_drop: false }` [INFO] [stdout] 33445fb70f6765744326b014e9347f2ab7e7aac95268b89d4a03e4f44227028f