[INFO] cloning repository https://github.com/davidbarsky/tracing-reproduction [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidbarsky/tracing-reproduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Ftracing-reproduction", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Ftracing-reproduction'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3663f47b17bf5c9f02a73fec6bf623ff562d35bd [INFO] testing davidbarsky/tracing-reproduction against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Ftracing-reproduction" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidbarsky/tracing-reproduction on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/davidbarsky/tracing-reproduction [INFO] finished tweaking git repo https://github.com/davidbarsky/tracing-reproduction [INFO] tweaked toml for git repo https://github.com/davidbarsky/tracing-reproduction written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/davidbarsky/tracing-reproduction 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81ba522740d08946307c794d0908767c6ac447a2c863c526e7daef19d8cef311 [INFO] running `Command { std: "docker" "start" "-a" "81ba522740d08946307c794d0908767c6ac447a2c863c526e7daef19d8cef311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81ba522740d08946307c794d0908767c6ac447a2c863c526e7daef19d8cef311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81ba522740d08946307c794d0908767c6ac447a2c863c526e7daef19d8cef311", kill_on_drop: false }` [INFO] [stdout] 81ba522740d08946307c794d0908767c6ac447a2c863c526e7daef19d8cef311 [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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0938142bef816dc7c64ae448f3d8cc7b454c9d91421c60bb396216ee1b2a8354 [INFO] running `Command { std: "docker" "start" "-a" "0938142bef816dc7c64ae448f3d8cc7b454c9d91421c60bb396216ee1b2a8354", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling tracing-core v0.1.7 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling tracing v0.1.10 [INFO] [stderr] Compiling tracing-reproduction v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the trait bound `for<'a> Option: Into>` is not satisfied [INFO] [stdout] --> src/main.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | span.follows_from(curr.id()); [INFO] [stdout] | ------------ ^^^^^^^^^ the trait `for<'a> Into>` is not implemented for `Option` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: required for `Option` to implement `for<'a> Into>` [INFO] [stdout] note: required by a bound in `Span::follows_from` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-0.1.10/src/span.rs:723:43 [INFO] [stdout] | [INFO] [stdout] 723 | pub fn follows_from(&self, from: impl for<'a> Into>) -> &Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Span::follows_from` [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 6 | span.follows_from(&curr.id()); [INFO] [stdout] | + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tracing-reproduction` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0938142bef816dc7c64ae448f3d8cc7b454c9d91421c60bb396216ee1b2a8354", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0938142bef816dc7c64ae448f3d8cc7b454c9d91421c60bb396216ee1b2a8354", kill_on_drop: false }` [INFO] [stdout] 0938142bef816dc7c64ae448f3d8cc7b454c9d91421c60bb396216ee1b2a8354