[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] checking davidbarsky/tracing-reproduction against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbarsky%2Ftracing-reproduction" "/workspace/builds/worker-94/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidbarsky/tracing-reproduction on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-94/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: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.5 [INFO] [stderr] Downloaded tracing-core v0.1.7 [INFO] [stderr] Downloaded tracing v0.1.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21ab517e655f2a3968801c289dc1b4a1652fd73e9f32317b3f575cf8c3ee81d7 [INFO] running `Command { std: "docker" "start" "-a" "21ab517e655f2a3968801c289dc1b4a1652fd73e9f32317b3f575cf8c3ee81d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21ab517e655f2a3968801c289dc1b4a1652fd73e9f32317b3f575cf8c3ee81d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ab517e655f2a3968801c289dc1b4a1652fd73e9f32317b3f575cf8c3ee81d7", kill_on_drop: false }` [INFO] [stdout] 21ab517e655f2a3968801c289dc1b4a1652fd73e9f32317b3f575cf8c3ee81d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5474c6f60d71877aa0db48447dd2831899449635503b89dff6b4dde876964ba9 [INFO] running `Command { std: "docker" "start" "-a" "5474c6f60d71877aa0db48447dd2831899449635503b89dff6b4dde876964ba9", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [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] Checking spin v0.5.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tracing-reproduction v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] error[E0277]: the trait bound `for<'a> Option<&'a Id>: From>` is not satisfied [INFO] [stdout] --> src/main.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | span.follows_from(curr.id()); [INFO] [stdout] | ^^^^^^^^^^^^ the trait `for<'a> From>` is not implemented for `Option<&'a Id>` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] as From<&'a Option>> [INFO] [stdout] as From<&'a mut Option>> [INFO] [stdout] as From> [INFO] [stdout] = note: required because of the requirements on the impl of `for<'a> Into>` for `Option` [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0277]: the trait bound `for<'a> Option<&'a Id>: From>` is not satisfied [INFO] [stdout] --> src/main.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | span.follows_from(curr.id()); [INFO] [stdout] | ^^^^^^^^^^^^ the trait `for<'a> From>` is not implemented for `Option<&'a Id>` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] as From<&'a Option>> [INFO] [stdout] as From<&'a mut Option>> [INFO] [stdout] as From> [INFO] [stdout] = note: required because of the requirements on the impl of `for<'a> Into>` for `Option` [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: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "5474c6f60d71877aa0db48447dd2831899449635503b89dff6b4dde876964ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5474c6f60d71877aa0db48447dd2831899449635503b89dff6b4dde876964ba9", kill_on_drop: false }` [INFO] [stdout] 5474c6f60d71877aa0db48447dd2831899449635503b89dff6b4dde876964ba9