[INFO] cloning repository https://github.com/olvyko/rust-analyzer-tests-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olvyko/rust-analyzer-tests-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a779074b1670702e06e2e6dcbc27f7f53042ecfe
[INFO] checking olvyko/rust-analyzer-tests-example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example" "/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/olvyko/rust-analyzer-tests-example 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/olvyko/rust-analyzer-tests-example
[INFO] finished tweaking git repo https://github.com/olvyko/rust-analyzer-tests-example
[INFO] tweaked toml for git repo https://github.com/olvyko/rust-analyzer-tests-example written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/olvyko/rust-analyzer-tests-example 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-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" "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] 56f397a631cc785c615db9bc7a1a5bdea7d3fe0f76d2805cb2fcfc774b09b50d
[INFO] running `Command { std: "docker" "start" "-a" "56f397a631cc785c615db9bc7a1a5bdea7d3fe0f76d2805cb2fcfc774b09b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f397a631cc785c615db9bc7a1a5bdea7d3fe0f76d2805cb2fcfc774b09b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f397a631cc785c615db9bc7a1a5bdea7d3fe0f76d2805cb2fcfc774b09b50d", kill_on_drop: false }`
[INFO] [stdout] 56f397a631cc785c615db9bc7a1a5bdea7d3fe0f76d2805cb2fcfc774b09b50d
[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" "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] 21e6f1493174a3c6c857f6948356d614bbade64fcc6d05d4eab420e8f1fcca90
[INFO] running `Command { std: "docker" "start" "-a" "21e6f1493174a3c6c857f6948356d614bbade64fcc6d05d4eab420e8f1fcca90", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking module1 v0.1.0 (/tmp/fixit/modules/module1)
[INFO] [stderr]     Checking module2 v0.1.0 (/tmp/fixit/modules/module2)
[INFO] [stderr]    Migrating modules/module1/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating modules/module2/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating modules/module1/tests/module1.rs from 2018 edition to 2021
[INFO] [stderr]     Checking rust-analyzer-tests-example v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating modules/module2/tests/module2.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] error[E0425]: cannot find value `error` in this scope
[INFO] [stdout]  --> modules/module1/tests/module1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     error?
[INFO] [stdout]   |     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> modules/module1/tests/module1.rs:3:10
[INFO] [stdout]     |
[INFO] [stdout] 2   | / fn module1_test() {
[INFO] [stdout] 3   | |     error?
[INFO] [stdout]     | |          ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4   | | }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `module1` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find value `error` in this scope
[INFO] [stdout]  --> modules/module2/tests/module2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     error?
[INFO] [stdout]   |     ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> modules/module2/tests/module2.rs:3:10
[INFO] [stdout]     |
[INFO] [stdout] 2   | / fn module2_test() {
[INFO] [stdout] 3   | |     error?
[INFO] [stdout]     | |          ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 4   | | }
[INFO] [stdout]     | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an 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" "21e6f1493174a3c6c857f6948356d614bbade64fcc6d05d4eab420e8f1fcca90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e6f1493174a3c6c857f6948356d614bbade64fcc6d05d4eab420e8f1fcca90", kill_on_drop: false }`
[INFO] [stdout] 21e6f1493174a3c6c857f6948356d614bbade64fcc6d05d4eab420e8f1fcca90