[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folvyko%2Frust-analyzer-tests-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olvyko/rust-analyzer-tests-example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0649bec233583dd25ffdcc671b994c40090023a7869400d73c2c7c9805a7466d
[INFO] running `Command { std: "docker" "start" "-a" "0649bec233583dd25ffdcc671b994c40090023a7869400d73c2c7c9805a7466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0649bec233583dd25ffdcc671b994c40090023a7869400d73c2c7c9805a7466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0649bec233583dd25ffdcc671b994c40090023a7869400d73c2c7c9805a7466d", kill_on_drop: false }`
[INFO] [stdout] 0649bec233583dd25ffdcc671b994c40090023a7869400d73c2c7c9805a7466d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dab3b90e85a870f78a495c8de8da64d0cd1eebd1be37879ea2ab2825392f837
[INFO] running `Command { std: "docker" "start" "-a" "2dab3b90e85a870f78a495c8de8da64d0cd1eebd1be37879ea2ab2825392f837", kill_on_drop: false }`
[INFO] [stderr]     Checking module1 v0.1.0 (/opt/rustwide/workdir/modules/module1)
[INFO] [stderr]     Checking module2 v0.1.0 (/opt/rustwide/workdir/modules/module2)
[INFO] [stderr]     Checking rust-analyzer-tests-example v0.1.0 (/opt/rustwide/workdir)
[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[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/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[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] running `Command { std: "docker" "inspect" "2dab3b90e85a870f78a495c8de8da64d0cd1eebd1be37879ea2ab2825392f837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dab3b90e85a870f78a495c8de8da64d0cd1eebd1be37879ea2ab2825392f837", kill_on_drop: false }`
[INFO] [stdout] 2dab3b90e85a870f78a495c8de8da64d0cd1eebd1be37879ea2ab2825392f837