[INFO] cloning repository https://github.com/JoshMcguigan/cost-of-indirection [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshMcguigan/cost-of-indirection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fcost-of-indirection", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fcost-of-indirection'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9cb37bd172aa53fae36c0e55d6742839e8bcef02 [INFO] checking JoshMcguigan/cost-of-indirection against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fcost-of-indirection" "/workspace/builds/worker-98/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JoshMcguigan/cost-of-indirection 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/JoshMcguigan/cost-of-indirection [INFO] finished tweaking git repo https://github.com/JoshMcguigan/cost-of-indirection [INFO] tweaked toml for git repo https://github.com/JoshMcguigan/cost-of-indirection written to /workspace/builds/worker-98/source/Cargo.toml [INFO] crate git repo https://github.com/JoshMcguigan/cost-of-indirection 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 48c96630d2da715af613b38e7a902267cf9a9ff4bfa1b876a87e24fbb34ea7c7 [INFO] running `Command { std: "docker" "start" "-a" "48c96630d2da715af613b38e7a902267cf9a9ff4bfa1b876a87e24fbb34ea7c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48c96630d2da715af613b38e7a902267cf9a9ff4bfa1b876a87e24fbb34ea7c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48c96630d2da715af613b38e7a902267cf9a9ff4bfa1b876a87e24fbb34ea7c7", kill_on_drop: false }` [INFO] [stdout] 48c96630d2da715af613b38e7a902267cf9a9ff4bfa1b876a87e24fbb34ea7c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 4705667c7c77069a8ca994b37259c40610feed694e99f2222369097dd5096c0e [INFO] running `Command { std: "docker" "start" "-a" "4705667c7c77069a8ca994b37259c40610feed694e99f2222369097dd5096c0e", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking cost-of-indirection v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/bin/struct.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/enum.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/boxed_trait_object.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/trait_object_black_box.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/generic.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/baseline.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/boxed_trait_object_not_statically_known.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/trait_object.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/trait.rs from 2018 edition to 2021 [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/bin/trait_object_black_box.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | let result = find_nth_odd(std::hint::black_box::<&dyn OddFinder>(&finder), 1_000_000_000); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [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 E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cost-of-indirection` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/bin/trait_object_black_box.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | let result = find_nth_odd(std::hint::black_box::<&dyn OddFinder>(&finder), 1_000_000_000); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [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 E0658`. [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" "4705667c7c77069a8ca994b37259c40610feed694e99f2222369097dd5096c0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4705667c7c77069a8ca994b37259c40610feed694e99f2222369097dd5096c0e", kill_on_drop: false }` [INFO] [stdout] 4705667c7c77069a8ca994b37259c40610feed694e99f2222369097dd5096c0e