[INFO] cloning repository https://github.com/bryanburgers/tracing-blog-post [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanburgers/tracing-blog-post" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Ftracing-blog-post", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Ftracing-blog-post'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2545a37292675fb3ffd2af8deacd9a62a5b24b69 [INFO] testing bryanburgers/tracing-blog-post/2545a37292675fb3ffd2af8deacd9a62a5b24b69 against master#8c0ec05f7dc9ef185eea9f36c5638e74e43935bf for pr-130285 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanburgers%2Ftracing-blog-post" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bryanburgers/tracing-blog-post on toolchain 8c0ec05f7dc9ef185eea9f36c5638e74e43935bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bryanburgers/tracing-blog-post [INFO] finished tweaking git repo https://github.com/bryanburgers/tracing-blog-post [INFO] tweaked toml for git repo https://github.com/bryanburgers/tracing-blog-post written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bryanburgers/tracing-blog-post already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-subscriber v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81157b3fd96bc0de79c2c0db2f340e26caba57b5dc644d75e5cd68f11182ecf2 [INFO] running `Command { std: "docker" "start" "-a" "81157b3fd96bc0de79c2c0db2f340e26caba57b5dc644d75e5cd68f11182ecf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81157b3fd96bc0de79c2c0db2f340e26caba57b5dc644d75e5cd68f11182ecf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81157b3fd96bc0de79c2c0db2f340e26caba57b5dc644d75e5cd68f11182ecf2", kill_on_drop: false }` [INFO] [stdout] 81157b3fd96bc0de79c2c0db2f340e26caba57b5dc644d75e5cd68f11182ecf2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa8a3dfbada59a5d5dbe8f9f8e4bfdeaf14352cc23a6c2fdeafa3a6b68e1f878 [INFO] running `Command { std: "docker" "start" "-a" "fa8a3dfbada59a5d5dbe8f9f8e4bfdeaf14352cc23a6c2fdeafa3a6b68e1f878", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling sharded-slab v0.1.3 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling tracing-subscriber v0.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling tracing-blog-post v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s [INFO] running `Command { std: "docker" "inspect" "fa8a3dfbada59a5d5dbe8f9f8e4bfdeaf14352cc23a6c2fdeafa3a6b68e1f878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa8a3dfbada59a5d5dbe8f9f8e4bfdeaf14352cc23a6c2fdeafa3a6b68e1f878", kill_on_drop: false }` [INFO] [stdout] fa8a3dfbada59a5d5dbe8f9f8e4bfdeaf14352cc23a6c2fdeafa3a6b68e1f878 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9570a2610e162a27e33e3cf2819de093df285a7f287027f22be742798f3d8346 [INFO] running `Command { std: "docker" "start" "-a" "9570a2610e162a27e33e3cf2819de093df285a7f287027f22be742798f3d8346", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-blog-post v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/figure_8/custom_layer.rs:93:27 [INFO] [stdout] | [INFO] [stdout] 93 | struct CustomFieldStorage(BTreeMap); [INFO] [stdout] | ------------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `CustomFieldStorage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.09s [INFO] running `Command { std: "docker" "inspect" "9570a2610e162a27e33e3cf2819de093df285a7f287027f22be742798f3d8346", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9570a2610e162a27e33e3cf2819de093df285a7f287027f22be742798f3d8346", kill_on_drop: false }` [INFO] [stdout] 9570a2610e162a27e33e3cf2819de093df285a7f287027f22be742798f3d8346 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 80105694d0f4fabea501ca272df704e7e425be7864de254feebeb0b2f60a31b1 [INFO] running `Command { std: "docker" "start" "-a" "80105694d0f4fabea501ca272df704e7e425be7864de254feebeb0b2f60a31b1", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> examples/figure_8/custom_layer.rs:93:27 [INFO] [stderr] | [INFO] [stderr] 93 | struct CustomFieldStorage(BTreeMap); [INFO] [stderr] | ------------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `CustomFieldStorage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tracing-blog-post` (example "figure_8") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tracing_blog_post-a8ebb18d5af5d39f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "80105694d0f4fabea501ca272df704e7e425be7864de254feebeb0b2f60a31b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80105694d0f4fabea501ca272df704e7e425be7864de254feebeb0b2f60a31b1", kill_on_drop: false }` [INFO] [stdout] 80105694d0f4fabea501ca272df704e7e425be7864de254feebeb0b2f60a31b1